how power point helps us in details a doc file. impact of power point a full termpaper.

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Executive Summary:
PowerPoint in effective presentation is required for enhanced success. The use of
PowerPoint for teaching presentations has considerable potential for encouraging more
professional presentations. This paper reviews the advantages and disadvantages associated
with its use in a teaching and learning context and suggest some guidelines and pedagogical
strategies that need to be considered where it is to be used. It summarises some of the key
principles of presentation that are frequently ignored and suggests some of the approaches
that need to be incorporated into good practice in Life Science teaching and learning. Its use
is often limited to an information transmission mode and this paper emphasises that this is a
very restricted pedagogical use of a very powerful and flexible teaching and learning
support tool.
Teaching & Presentation Aid
An object (such as a book, picture, or map) or device used by a teacher to enhance or
enliven classroom instruction audio-visual teaching aids.
Types of Teaching Aids
There are many aids available these days. We may classify these aids as follows-
 Visual Aids
 Audio Aids
 Audio - Visual Aids
Visual Aids
The aids which use sense of vision are called Visual aids. For example :- actual objects,
models, pictures, charts, maps, flash cards, flannel board, bulletin board, chalkboard,
overhead projector, slides etc. Out of these black board and chalk are the commonest ones.
Audio Aids
The aids that involve the sense of hearing are called Audio aids. For example :- radio, tape
recorder, gramophone etc.

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Audio - Visual Aids
The aids which involve the sense of vision as well as hearing are called Audio- Visual aids.
For example: - television, film projector, film strips etc.
Transformation in Teaching Method:
In past people used to use black board, flash cards, flip cards, flannel board, models, graphs,
white board, charts and many other things to present any lesson in classes or work places.
Day by day by the blessing of technology teaching methods have improvised. With
technology people are also becoming smarter and their methods of teaching are changing
every now and then. Nowadays people are using PowerPoint for their presentation and
teaching. PowerPoint is a tremendous source to present any topic or lesson. PowerPoint has
the ability to make understand a lesson very clearly if it is used properly. Usually people
remember what they see in present & PowerPoint is a great genesis for that.
The Role of PowerPoint as a Teaching Aid
 To clear all confusion
 To motivate
 To increase vocabulary
 To save time and money
 To give direct experience
 To preserve as reference
 Flexibility to update
The importance of using a well-tested and result oriented teaching aid will lessen teaching
time and help the students to stick the concept of the topic in the head. The joy of every
teacher is to see his or her students improve drastically in their learning process. And
PowerPoint presentation helps a lot in this aspect.

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Science of Retention:
We learn & retain:
 10% of what we Read
 20% of what we Hear
 30% of what we See
 50% of what we Hear and See
That’s why PowerPoint presentation is applicable for better learning and understanding.
What is Power Point?
PowerPoint is a presentation software program that is part of the Microsoft Office package.
PowerPoint uses a graphical approach to presentations in the form of slide shows that
accompany the oral delivery of the topic. This program is widely used
in business and classrooms and is an effective tool when used for training purposes.
PowerPoint is one of the simplest computer programs to learn. It is the number 1 program
used worldwide for presentations. Anyone can create stunning presentations that look like
they were designed by a professional.

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PowerPoint presentations can be made into photo albums, complete with music or
narrations, to distribute on CDs or DVDs. If you are in the sales field, it involves just a few
simple clicks to add an illustrative chart of data or an organizational chart of your
company's structure. Make your presentation into a web page for emailing purposes or as a
promotion displayed on your company's website.
It is easy to customize presentations with your company logo and to dazzle your audience
by using one of the many design templates that come with the programs. Many more
free add-ins and templates are available online from Microsoft and a host of other websites.
In addition to an on screen slide show, PowerPoint has printing options that allow the
presenter to provide handouts and outlines for the audience as well as notes pages for the
speaker to refer to during the presentation.
All in all, PowerPoint is a "one-stop-shop" to create successful presentations for the
business world, the classroom or just for your own personal use.
Why Do We Use PowerPoint in Presentation?
PowerPoint is a good program to use for a presentation because it allows the listeners to
have a visual of the subjects the speaker is talking about. It also gives the speaker a
reference point for the subjects that make up the majority of the presentation. Nowadays we
use PowerPoint in presentation because-
 To hold interest:
If we use paper or board instead of PowerPoint slides, our audience won’t fell any
differences. Because of the graphical and visual effects PowerPoint hold interest of
listeners.
 To focus attention:
Attractive things attract audience more. PowerPoint have many attractive features
that can focus the main subject of speech and gain more attention.

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 To guide overviews:
Discussions or overviews are preferred more via a t slide show because of its
graphics and animation that can spread the realistic message.
 To support the message being delivered:
A legit PowerPoint slide can support the message that a speaker delivers. Presenter
can make a slide related to his speech and made his message more supportive.
 To create a poster for a confidence:
We can focus the headline or the main theme of a confidence by creating a poster
and draw some energizer to cheer up the speech.
Using PowerPoint in Teaching Method:
Today technology plays an important role in pedagogy. When teachers use it in their
classrooms, in fact, they want to attract the students' attention, so that they can enhance
effective ways of learning. It is obvious that learning a new language in a traditional way is
not so enjoyable for today technology-dependent students, for this, the environment of the
classroom has been changed. According to Ybarra & Green (2003), the process of learning
a new language can be boring and painful for students, so they need much language support
and the teachers who teach English know that any language support is helpful for language
acquisition. One of the most important factors for learners, in FLL, is the method that
teachers use in their teaching process to facilitate learning. Ilter (2009) referred to the
positive aspects of using technology on both students and teachers. When students are
active in learning environment their interest increases. Teachers must try to motivate
students to be excited learners. Technologies make learning more fun by placing control
over learning in the hands of students. So, this study tries to show the impact of using
PowerPoint software, as an example of technology tool, on students' learning and
motivation in language classes.
As technology enters the classroom more and more each year, there are always new
innovations being brought into the fold that can help teachers to get their points across

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better, and help students learn more efficiently. One such tool that has been utilized in the
classroom for some time now and continues to be used heavily is the Microsoft PowerPoint
program.
This program is one that enables teachers and students alike to prepare presentations. When
used effectively, PowerPoint can really enhance teacher presentations and the overall
comprehension of students. It is a program that allows teachers to present their lessons in a
more dynamic way than simply lecturing and writing on the blackboard.
PowerPoint has become very popular because it's easy to learn and widely available. It
provides the ability to equip your presentations with different types of media - including
images, sounds, animations, and much more. This enhances the students' abilities to retain
what they're being taught, especially those who are visual learners. Teachers can focus on
the class and interacting with the students instead of writing on a board, because the text
and the entire presentation is already there in the form of a PowerPoint file.
PowerPoint is not just for the teachers though, another way to use PowerPoint in an
educational setting is to have the students create their own presentations. This is a great way
to teach them how to use visual aids while working on their presentation and public
speaking abilities.
However, it is also important to note that when used incorrectly, PowerPoint presentations
can actually be less effective than regular, old-fashioned teaching methods. Mistakes can be
made not only in the way that the presentation is made, but in the way it is presented as
well. One common mistake teachers make is that they simply reading the slides to students
word-for-word, which is terribly boring to watch, and won’t keep their attention or enhance
the learning experience in any way. Not using PowerPoint effectively can render your
presentations PowerPoint-less.
Preparing for the presentation
 Consider time and effort in preparing a PP presentation
 Give yourself plenty of lead time for design and development.
 PowerPoint is especially useful when providing course material online.
 Student technology compatibility with PowerPoint material put on the Web

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 Ensure images and graphics have been compressed for access by computers using
dial-up connection.
 Student accessibility
 Visually impaired may not be able to fully access a PowerPoint presentation,
especially those with graphics and images.
 Copyrighted material
 Be sure to properly cite source material. This is especially important when using
visuals obtained from the Internet or other sources.
 Message interpretation—will students be able understand material in a PowerPoint
presentation outside of the classroom? Will you need to provide notes and other
material to help students understand complex information, data, or graphics?
 If you will be using your own laptop, be sure the classroom is equipped with the
proper cables, drivers, and other means to display your presentation the way you
have intended.
Slide content
 Avoid text-dense slides—it’s better to have more slides than trying to place too
much text on one slide.
 Use brief points instead of long sentences or paragraphs.
 Use PowerPoint to cue and guide the presentation rather than project long and
complete sentences.
 Use the Notes Pages feature to add content to your presentation which the audience
will not see.
 Relate PowerPoint material to course objectives to reinforce their purpose.
Number of slides
 As a rule of thumb, plan to show one slide per minute to account for discussion and
time and for students to absorb the material.

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 Reduce redundant or text heavy sentences or bullets to ensure a more professional
appearance.
Emphasizing content
 Use italics, bold and color for emphasizing content.
 Use of a light background (white, beige, yellow) with dark typeface or a dark
background (blue, purple, brown) with a light typeface is easy to read in a large
room.
 Consider using different color slide backgrounds to change the pace of the
presentation (or when you shift to new major content).
 Avoid using underlines for emphasis which typically signifies hypertext in digital
media.
Typeface
 Use a sans serif typeface such as Arial, Helvetica, or Tahoma. The text you are now
reading is Arial.
 Limit the number of typeface styles to no more than two per slide.
Point size
 Ensure the typeface is large enough to read from anywhere in the room: titles and
headings should be no less than 36-40 points.
 The subtext should be no less than 32 points.
Clip art and graphics
 Use clip art and graphics sparingly. Research shows that it’s best to use graphics
only when they support the content.
 Photographs can be effectively used to add realism.
 Size and place graphics appropriately on the slide
 Consider wrapping text around a graphic.
 Use two-dimensional pie and bar graphs rather than 3-D styles which can interfere
with the intended message.

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Animation and sound
 Add motion, sound, or music only when necessary. When in doubt, do without!
 Excessive movement within or between slides can interfere with the message and
can be annoying. Avoid or use only simple screen transitions.
Final check
 Check for spelling, correct word usage, flow of material and overall appearance of
the presentation.
 Colleagues can be especially helpful to check your presentation for accuracy and
appeal. Note: Typos are more obvious when they are projected.
 Schedule at least one practice session to check for timing and flow.
 PowerPoint’s Slide Sorter View is especially helpful to check slides for proper
sequencing and information gaps and redundancy.
 Prepare for plan “B”- in case you have trouble with the technology in the classroom
– how will you provide material which is located on your flash drive or computer
PowerPoint Handouts:
PowerPoint provides a number of print-based handouts that can be distributed at various
points in the class—before class: students like having materials available to help them
prepare and formulate questions before the class period; during class: use this time for a
planned break and to discuss the material on the handout; after class: some instructors wait
to make the presentation available after the class period so students concentrate on the
presentation rather than reading the handout.
Handouts:
PowerPoint slides can be printed in the form of handouts—with one, two, three, four, six, or
nine slides on a page— that can be given to the students for reference during and after the
presentation. The three-slides-per-page handout includes lined space to assist in note-taking.
Notes Pages:
Detailed notes can be printed and used during the presentation or, if they are notes
intended for students, they can be distributed before the presentation.

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Outline View: PowerPoint presentations can be printed as an outline which provides all of
the text from each slide. Outlines provide a welcome alternative to slide handouts and can
be modified from the original presentation to provide more or less information than the
projected presentation.
Running Slide Show as Students Arrive in the Classroom:
This technique provides visual interest and can also have a series of questions students can
answer as they sit waiting for the class to begin.
– Opening Question
—project an opening question
—Share with the class what you have discussed with your partner

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Empowering PowerPoint: Slides and Teaching Effectiveness
In order to examine the effectiveness of using PowerPoint slides as a teaching aid in the
postsecondary classroom, this exploratory study compared the impact on teaching
effectiveness of the number and density of slides, as well as the use of visuals and other
non-textual elements within slides. The number of slides used per session appeared not to
affect effectiveness but lower density (3 bullet points and 20 words or less per slide) was
associated with effectiveness. Results for the 10 instructors teaching 17 classes on
information management from 2003 to 2009 were also analyzed by teaching style.
Instructors identified as “Experts” and “Facilitators” more often used pictures, photos,
charts, graphics, and sound in their slides compared to instructors with other Grasha-
Riechman styles. Best practices for using PowerPoint slides are suggested.
As entering professionals and organization managers, university graduates will have to be
skilled at managing information in their roles to succeed in turbulent economic conditions
(Schelee & Harich, 2010). Postsecondary education in information management has for
over a decade included many classes being delivered with PowerPoint and other
presentation software as a basis for communication of learning points (Huxham, 2010).
Publishers typically supply 20 to 50 slide summaries to accompany each chapter of their
textbooks. These slide decks usually have a high degree of production, including animation
and links to websites. Students also make class presentations, often relying heavily on
PowerPoint slides. While PowerPoint can be useful in providing a brief outline to facilitate
note-taking and underscoring points with “high impact photos, charts, graphs, film clips and
humor” its excessive use has been widely considered to be detrimental to the complex
decision making required in organizations (Hammes, 2009). The effectiveness of classroom
use of PowerPoint slides may be partially determined by instructors’ teaching styles. The
Grasha & Riechman teaching styles measurement (Grasha, 1996; Grasha & Yangarber-
Hicks, 2000) could help examine the effectiveness of PowerPoint on teaching information
management in the postsecondary classroom.12
The number of slides used did not affect reported teaching effectiveness, but lower textual
density appears to relate to more positive student feedback. The instructor with the highest
teaching effectiveness comments and the one with the most negative both used a relatively
high number of slides (35) per session. However, the higher rated instructor used only an
average of 3 bullets and 20 words per slide, whereas the lower rated instructors used 5-7

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bullets and 25-70 words per slide. Both used many forms of graphic additions (pictures,
photos, charts, sound, graphics, and illustrations). Twenty-one of the 353 (5.7%) students
from the 17 information management class sections offered specific comments on
PowerPoint slides in their exit interviews, which were conducted by the institution as an
additional quality assurance measure along with course evaluations. Positive student
feedback on slides from exit interviews, amounting to 3.7% of the student feedback, was the
slides were “nice” and “interesting.” The negative comments (2.0% of the student feedback)
at the other end included: “PowerPoints in advance would be useful” and “could have more
discussion with slides.” 13
The instructor feedback was a counterpoint to these student comments. They said the value
of PowerPoint slides included an increase in learning when visual elements were used,
specifically concise illustrative points and visualized structure. Another theme was the
usefulness of copies of slides in distributing notes, especially those with links. More than
half the instructors said they watched student engagement with slides and took action when
energy dropped: adding team or individual exercises, posting questions and discussion topic
slides, and even skipping over less relevant slides to reduce the number.13
First, this study was exploratory and the sample sizes are small. Repetition using larger
sample sizes is an obvious next step. There is also the likelihood that expectations for
classroom formats vary across cultures. Even in this small-scale study, there was some
indication that the largely British students expected the American instructors to provide
engagement beyond the slides as they had experienced in home-country schools. Thus,
research across cultures could expand the implications of the findings. It also may be that
PowerPoint slides are more appropriate for survey courses as opposed to specialized
courses. The courses used in this study were of the survey13type and covered key
information management topics but made little or no attempt to provide in depth instruction
on any one topic. Future research could also include how PowerPoint affects groups such as
male/female, high ability/low ability and different age groups other than the traditional
college student. Furthermore as the media landscape evolves with more animation, videos,
and interactive elements on the web, PowerPoint itself will no longer be novel. Therefore,
continued current research on its effectiveness is important to gauging how best to use it
and new generations of presentation software such as Prezi.13

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Utilization of Power Point in Different Sectors:
In many organizations, the beginning and end of any business activity is marked by the
PowerPoint presentation. In the early stages of an initiative, PowerPoint is used in strategy
sessions, to present proposals and put forth plans. Later, it’s used for updates and progress
reports. In the final stages, it’s used to report back and to present findings and conclusions.
PowerPoint is everywhere, and it shows no signs of going away anytime soon.
On Business Sector:
Here are a few thoughts:
 PowerPoint is accessible. For the novice, it’s easy to learn and use. PowerPoint is
everywhere. Pretty much everyone has it, or has the ability to view a file. This
makes it easy to share ideas and generally move meaning around. Slides can be
borrowed, stolen, recycled and re-used.
 PowerPoint is flexible. The same document that is used to present information in a
meeting or conference, can, with little or no modification, be emailed as a document
or shared online, retaining much of its meaning.
 PowerPoint is easy to read. PowerPoint documents can be scanned and understood
more rapidly than text documents. Because they are primarily visual they tend to be
more easily understood and remembered.
 PowerPoint is modular. It can be broken down into single slides, which can be
arranged and rearranged into numerous different sequences. Over time you can build
up a storehouse of slides that represent your – or your team’s – collective knowledge
about any subject, which can be distributed, shared, discussed and modified as
things evolve over time.
 PowerPoint is powerful. For the more experienced user, it’s a powerful multimedia
tool, with animation and other advanced effects. It’s easy to add information of any
kind: Video, charts, photographs, maps – just about anything that can be digitized
can be added to PowerPoint.
People use PowerPoint to represent knowledge, and the main element is relatively small and
useful atomic unit we call the slide.

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On Conference:
Here at the High Country Conference Center Flagstaff we are fortunate to see great
presentations day in and day out. We also get to see some less than perfect PowerPoint
layouts that sometimes hurt a presenter more than they help.
The purpose of presentation software is to accompany a presenter, allowing their delivery of
information to be as impactful as possible. This is best done by visually emphasizing the
most important information in clear and easy to see formats. To achieve PowerPoint bliss,
here are a few tips to help make sure your presentation materials look the best they can in
order to reach any audience.
 Design: Choose an appropriate Design Template or Theme and stick with it. There
are many ways to make a presentation visually attractive. Start by picking a theme
that relates to your topic and is appropriate for your audience, stay away from bright,
dynamic colors and use more neutral, complimentary colors. Using a logo can also
be an effective way to spice up design appeal, make sure to use the same size and
location on every slide for a professional look.
 Simple: Keep it Simple! Slides should be to the point and easily understood.
Maximum of eight words per line. Use a clean looking font with a large size so that
everyone can see your point clearly. Dark text on a light background is usually best,
however, using a dark background works well if the text is light enough for easy
reading. Text over textured backgrounds can be difficult to read; using a text box
can make words stand out on top of a complex design.
 Main point: The slideshow shouldn’t be your speech written out. I see this all too
often, where a presenter will have their entire script written out for the audience to
see. This is the best way to lull a group to sleep. In order to remember the details of
a presentation, use notes. The old 3x5 notecard still works well. Try to use one card
per slide to make transitions easy. Even better, you can integrate presenter notes into
PowerPoint software, so that you can see your notes on the laptop screen, but the
audience can only see a clean slide with bullet points or graphics.
 Using graph: Don’t use too many graphs or photos. While these visual aids can be
the most impactful and helpful in getting your points across, if you use too many

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they will lose their potency. Use these powerful tools sparingly to emphasize only
the most important information, and I guarantee the audience will remember.
 Focus: Keep the slide count down. Using tons of slides will also detract from the
handful of slides that have the most pertinent information. It is ok to go off on
tangents or to elaborate on concepts and ideas, that doesn’t mean there has to be a
slide for every talking point. The most effective speakers will have a generic
“bumper” slide to project while discussing issues or answering questions. You can
also blank out the screen by using the black-out button on a slide advancer or by
pressing “b” on the keyboard while using PowerPoint. This is a surefire way to
make sure the audience is focusing on you and not unrelated content on the screen.
 Slide Testing: Test slide show before using. I recommend presenters go through
their slideshow before every event. Make sure the images are not distorted, make
sure text is in the correct place, and make sure embedded audio and video are
working. There are many versions of PowerPoint and tons of problems that can
occur, test all the equipment before your audience arrives so that you look like a true
professional.
On Seminar:
Remember, the seminar PPT or slide(power point) is the key tool while your seminar
presentation. While preparing PPT slides, you should consider following important points.
 While preparing a seminar, focus on the key points, the content.
 Read it aloud, you will quickly find if something went wrong.
 Use simple and straightforward language to convey the message.
 Start the seminar with a catching introduction.
 Tell your audience why your seminar topic is interesting and important and
different.
 Spell your words correctly; there should be no typo error.
 Make sure that the audiences are hearing you first and then the slides.
 Try to make it short, interesting and audience oriented.
 Don’t spend much time on scientific points unless it is stated.
 Once you complete your seminar, tell all the points in a summary.

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Advantages & Disadvantages of PowerPoint Presentation:
Advantages:
Speeding up the Information Transfer
In a PowerPoint presentation, the teacher can deliver more information than by traditional
lecture. The amount of information transferred in a traditional lecture is often limited by the
writing speed of the instructor on chalkboard. But in a PowerPoint presentation, all outlines
were typed previously in slides. Especially, when instruction of science courses need to
present large amount of data, using PowerPoint could significantly increase the efficacy of a
lecture. Compared with chalkboard-writing in traditional lecture, a PowerPoint file can be
easily copied, maintained, transferred and printed. To students, the file maybe available on-
web before or after the class, and may thus be previewed or reviewed. This may be the most
appreciated feature of PowerPoint. When combining PowerPoint with web, the timing of
PowerPoint availability to students is important. If PowerPoint file is available before class,
students may feel responsible for knowing how to use slides for taking notes, and they may
attend and participate in the lecture more easily. On the other hand, PowerPoint presentation
saves time for students with learning differences that require more time to take notes,
because they may download PowerPoint files from web and obtain organized notes or
handouts and accurately drawn graphs . Therefore, PowerPoint may enhance the
performance of students at class.
More Precise and More Systematic
A well-prepared PowerPoint may present students with more precise contents of science
knowledge. Before presentation, by editing or reviewing the PowerPoint file, the teacher
has enough time to check term spelling, expression of a conception or a theory, logicality of
formula derivation, as well as the precision of numbers and data, etc. Therefore the verbal
expression in lecture would be more accurate and may be mistake-free. To students, this is
essential for correct and accurate comprehension of the science knowledge. After class, by

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collecting feedback from the students, the instructor would easily optimize PowerPoint
slides to fit the students by editing slide
Disadvantages:
Irrelevant information may be harmful
There are often some abstract or even abstruse contents in a science lecture. If they were
displayed in slides by merely bullet points, the interest of students would be reduced. In
order to attract students' attention, some instructor may add some decorative but irrelevant
figures or animations into a slide. Though students might be more interested in the image-
rich slides than bullet points, unrelated graphics are not helpful for learning .A study using
eye-tracking technology confirmed that students devote more attention to highly relevant
photograph. Another study also found that students spent more time viewing task-relevant
information and less time viewing task-irrelevant information after instruction. Irrelevant
pictures may even be harmful to comprehension of students. It was also concluded that, as
the interestingness of details is increased, student, understanding decrease. This is in
consistence with a cognitive theory about multimedia learning, in which highly interesting
details sap processing capacity away from deeper cognitive processing of the core material
during learning. Moreover, a recent study also demonstrated that presence of task-irrelevant
information impaired performance, therefore an effective graphical displays should not
display more information than is required for the task at hand
.
Neglect of interaction with students may make a lecture a monologue
Though the aid of a PowerPoint makes the instructor more confident, usually the instructor's
eyes will stay more on the screen than on the face of students. The lecture may thus lack
eye-contacts between teacher and students. This may zoom out the distance between them.
A lecture without eye-contact is similar to a "virtual lecture" in some aspects. If the
contents of a lecture are not well-arranged, or if the instructor is not familiar with the
contents, he may tend to omit asking questions or discussion with students. We noticed that

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many science students are relatively shy. In such situations they would move their eyes
from screen to textbook, thus the instruction would become a monologue of the teacher. On
the contrary, one of the advantages of traditional lecture is that, with enough interaction,
students may easily catch the thought of instructor. This merit of chalk-and-talk lecture may
be the main reason for that some professors are always welcomed even though they may
never use PowerPoint in their presentation.
The high speed may reduce participation of students
If there are too many lines in a slide, when projecting, students may soon feel tired or
disappointed when they find it Disadvantage In a questionnaire survey conducted on
students in nurse major in a college of China, 28.3% of participants think the class using
PowerPoint is not helpful for their learning. In another question, 48.3% of participants think
PowerPoint is not helpful for learning. Most of participants (81.7%) prefer a blending of
PowerPoint presentation with "chalk-and-talk" lecture. easily accelerate the speed of
presentation. Sometimes, even though he may aware of the feedback from students, in order
to finish the lecture content, he may still go on fast. When the speed of the instruction
continuously exceeds the comprehensive speed of students, the two parts of a class may
separate. It may lead to the failure of the lecture.
Too strict order of slides may limit the extemporaneous performance of instructor
Compared with traditional chalkboard lecture, PowerPoint would more easily limit the
through of the instructor. Therefore there may be a lack of extemporaneous performance of
instructor. In a PowerPoint, the order of slides is previously fixed. If the instructor could not
control the rhythm while presenting slides, he might be easily controlled by the PowerPoint.
Therefore the instructor may need to adjust the progress by extemporaneous pause,
questions, or even change the order of slides temporarily if necessary.

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Strategies to avoid disadvantages
Use PowerPoint as an assistant tool in education
A principle should be hold during preparing and presenting PowerPoint. That is,
PowerPoint is but a tool of a lecture. Chalkboard writing, as another useful tool may play
unique role. For example, when comparing two conceptions or processes, or summarizing a
table, the instructor may interact with students, leading students step by step with questions
and chalkboard writing. The effect may be much better than the simple instruction with
Power Point. PowerPoint could be useful in specific instruction where dynamic models,
animation, and variation of color may definitively help in the better illustration of the key
concept. If students are expected to retain complex graphics, animation, and figures,
PowerPoint presentations may have an advantage over traditional lecture. However, if
students are expected to retain information and/or concepts that are best conveyed through
dialogue or verbal explanation, traditional presentations appear to be best.
Design a PowerPoint properly and delicately
Many tips for a good PowerPoint had been introduced. For example, only place essential
points on the outline slide; avoid using long sentences, use key words and phrases instead;
use proper font, size, color and background; avoid using animation that may cause
distracting; use graphs rather than charts and data . However, while applying, all above tips
should be considered again to make sure that they are suitable for the contents of the
lecture, and also for students in certain major. For instance, graphics are not necessary for
simple declarative information, but may help with more difficult, complex, or abstract
concepts presented through lecture.
Communicate with students in applying PowerPoint
In showing a PowerPoint, the instructor should be very cautious about the feedback from
the students. One of the characteristics of college education is face-to-face communication.

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On which more attention should be paid when presenting PowerPoint to science students,
because they may communicate less efficiently and less effectively than students of social
sciences. PowerPoint may become a barrier between teacher and students.
Explore new ways to use PowerPoint
It is indicated that PowerPoint, internet and video have different influence on students’
perceptions of learning and motivation. An instructor may use a different mix of
technologies in the classroom and use them creatively in order to promote the learning of
students and to satisfy students’ learning needs and objectives. By onscreen synchrony of
PowerPoint slides and recorded voice, so-called “e-lecture” may be delivered on web and
serve as a useful alternation of traditional lecture, either alone or combined with other
methods.
Conclusion:
PowerPoint is the most popular presentation program which allows users to create, edit and
show beautiful presentations with the help of slides. It is now widely used in various sectors
of presentation. In teaching sector it's been a great help. By using PowerPoint in classroom
now it's very easy to explain even with more clear and effective examples. For science
students it's hard to understand the molecular by chalk writing. So to give a clear view to
students power point presentation is such a good way. Not only in teaching sight but also it's
being using in business, conferences and seminars. Conferences, seminars and business
presentation are now quietly impossible without the use of power point. In fact, in these
sectors the power point presentation increases the quality level of a presentation. But it has
some disadvantages too. Sometimes power point presentation give a lot of information in
just one slide and it's fast in presenting too. So it seems hard to the audiences to catch it in
that limited time. Even for students sometime it's monotonous and too fast to catch. But
there are ways to resolve these problems. PowerPoint is such a powerful tool for
presentation. But its advantages and disadvantages should be recognized and then it'll be a
great resource.

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