The document discusses the kinetic molecular theory, which is a model that explains the behavior of matter. It is based on several postulates:
1) Matter is made of particles that are constantly in motion with kinetic energy.
2) The kinetic energy of particles is related to temperature - higher temperature means more kinetic energy.
3) There is space between particles, and the amount of space depends on the substance's state of matter.
4) Phase changes occur when temperature changes sufficiently to alter the space between particles.
5) Attractive forces called intermolecular forces exist between particles, and increase in strength as particles get closer.
17 Testing Your Knowledge s. Why are biologists sointerested inchemis.pdfarhamgarmentsdelhi
17 Testing Your Knowledge s. Why are biologists sointerested inchemistry a. Chemicals are the
fundamental parts of all Multiple choice living things. b. Most chemicals are harmful to living
things. 1. Which of the following is a trace element, re- They know little about life except the
chemi- quired only in small amounts by most living cals it made from. d. you understand the
dhemistry of life, you oxygen can make a lot of money. b, iron ie. Everything about life can be
knowm by un- derstanding its dhemistry. d, carbon 9. Molecules are always moving, some
molecules move faster than others; is a 2. An acid is a substance that their average velocity of
movement. dissolves in water. b, forms covalent bonds with other substances. b, heat c. donates
hydrogen ions to solutions. d. is a versatile solvent. e, removes hydrogen ions from solutions.
How an atom behaves when it comes into con- 10 Which of the following holds atomstogether in
tact with other atoms is determined by its a. nucleus. a. ionic bonds between atoms b. size. b.
transfer of protons from one atom to another sharing of electrons between atoms d, neutrons. d.
loss of neutrons by atoms e sharing of protons between atoms 4. Most of water\'s unique
properties result from 11. loe floats because the fact that water molecules a. it is colder than
liquid water a. are very small. its molecules are moving faster than in liq- b. tend to repel each
other. uid water. extremely large. c it is more dense than liquid water. d. tend to stick together. d
its hydrogen molecules bond to the water e are in constant motion. e, its water molecules are
farther apart than in 5. Atoms of different phosphorus isotopes a. have different atomic numbers.
b, have different numbers of neutrons. 12. Adding acid tends to of a solution. e. react differently
with other atoms. a. increase the hydrogen ion concentration and d. have different numbers of
electrons. raise the pH e. have different numbers of protons. b, increase the hydrogen ion
concentration and lower the PH 6. An ion is formed when an atom c. decrease the hydrogen ion
concentration forms a oovalent bond with another atom. and raise the pH b. gains or loses an
electron. d. decrease the hydrogen ion ooncentration becomes part of a molecule. and lower the
pH d. gains or loses a proton. e. cord,depending on the original acidity e, gains or loses a
neutron. 7. The smallest particle of water is Essay a. an atom. 1. List the four elements meeded
by living things b a crystal. in large amounts, two others needed in moder- an element. ate
amounts, and two elements needed in trace d, a
Solution
1. The answer is: b. Iron.
Others are macro nutrient, require in higher amounts by the body.
2. The answer is: c. donates hydrogen ions to solutions.
Acid is a proton donator.
3. The answer is: e. electrons.
How an atom behaves when it comes in contact with other atoms is determined by its electronic
configuration and hence electrons.
4. The answer is: d tend to stock togethe.
Which of the following is a trace element, required only in small amo.pdfarjuntiwari586
Which of the following is a trace element, required only in small amounts by most living things?
a. oxygen b. iron c. nitrogen d. carbon e. hydrogen An acid is a substance that a. dissolves in
water. b. forms covalent bonds with other substances. c. donates hydrogen ions to solutions. d.
is a versatile solvent. e. removes hydrogen ions from solutions. How an atom behaves when it
comes into contact with other atoms is determined by its a. nucleus. b. size. c. protons. d.
neutrons. e. electrons. Most of water\'s unique properties result from the fact that water
molecules a. are very small. b. tend to repel each other. c. are extremely large. d. tend to stick
together. e. are in constant motion. Atoms of different phosphorus isotopes. a. have different
atomic numbers. b. have different numbers of neutrons. c. react differently with other atoms. d.
have different numbers of electrons. e. have different numbers of protons. An ion is formed
when an atom a. forms a covalent bond with another atom. a. forms a covalent bond with
another atom. b. gains or loses an electron. c. becomes part of a molecule. d. gains or loses a
proton. e. gains or loses a neutron. The smallest particle of water is a. an atom. b. a crystal c.
an element. d. a compound e. a molecule. Why are biologists so interested in chemistry? a.
Chemicals are the fundamental parts of all living things. b. Most chemicals are harmful to living
things. c. They know little about life except the chemicals it is made from. d. If you underhand
the chemistry of life. you can make a lot of money. e. Everything about life can be known by
understanding its chemistry. Molecule are always moving. Some molecules move faster than
others;___ is a measure of there average velocity of movement. a. Polarity b. heat c.
temperature d. electronegativity e. density Which of the following holds atoms together in a
molecule? a. ionic bonds between atoms b. transfer of protons from one atom to another c.
sharing of electrons between atoms d. loss of neutrons by atoms e. sharing of protons between
atoms Ice floats because a. it to colder than liquid water. b. its molecules are moving faster
than in liquid water. C it to more dense than liquid water. d. its hydrogen molecules bond to the
water surface film e. its water molecules are farther apart than in liquid water. Adding acid
tends to______of a solution. a. increase the hydrogen ion concentration and raise the pH b.
increase the hydrogen ion concentration and lower the pH c. decrease the hydrogen ion
concentration and raise the pH d. decrease the hydrogen Km concentration and lower the pH e.
c or d, depending on the original acidity Essay List the four elements needed by living things in
large amounts, two others needed in moderate amounts, and two elements needed in trace
amounts.
Solution
Answer:-
1:-Option b, Iron is trace element required in less than 1000mg/kg of dry matter
2:-option c, donates hydrogen ion to the solution.
3:-Option e, electrons determine.
Trump Student Misconceptions presented by Jennifer Bernabo and Robyn Shipley-Gerko
How do you as a teacher know what your students know? Do your students accurately explain a chemical concept? What are their misconceptions? In this session, our "GOAL" is to help teachers learn how to formatively assess their students' understanding of chemistry through a sequential process which utilizes demos as a teaching tool instead of just a cool attention getter. This technique will address and help correct students' perceptions of the real world. We will showcase this technique and use it to highlight many student misconceptions. Besides demos, we will also use a series of BULB "Building Understanding Learning Blurbs" to help teachers diagnose student misunderstandings. These short activities can be used in a variety of ways which will be discussed and shown in our presentation. All of our tactics can be used directly for teachers of all levels and teaching expertise. This session will make your classroom more fun, improve student learning, and more efficient.
17 Testing Your Knowledge s. Why are biologists sointerested inchemis.pdfarhamgarmentsdelhi
17 Testing Your Knowledge s. Why are biologists sointerested inchemistry a. Chemicals are the
fundamental parts of all Multiple choice living things. b. Most chemicals are harmful to living
things. 1. Which of the following is a trace element, re- They know little about life except the
chemi- quired only in small amounts by most living cals it made from. d. you understand the
dhemistry of life, you oxygen can make a lot of money. b, iron ie. Everything about life can be
knowm by un- derstanding its dhemistry. d, carbon 9. Molecules are always moving, some
molecules move faster than others; is a 2. An acid is a substance that their average velocity of
movement. dissolves in water. b, forms covalent bonds with other substances. b, heat c. donates
hydrogen ions to solutions. d. is a versatile solvent. e, removes hydrogen ions from solutions.
How an atom behaves when it comes into con- 10 Which of the following holds atomstogether in
tact with other atoms is determined by its a. nucleus. a. ionic bonds between atoms b. size. b.
transfer of protons from one atom to another sharing of electrons between atoms d, neutrons. d.
loss of neutrons by atoms e sharing of protons between atoms 4. Most of water\'s unique
properties result from 11. loe floats because the fact that water molecules a. it is colder than
liquid water a. are very small. its molecules are moving faster than in liq- b. tend to repel each
other. uid water. extremely large. c it is more dense than liquid water. d. tend to stick together. d
its hydrogen molecules bond to the water e are in constant motion. e, its water molecules are
farther apart than in 5. Atoms of different phosphorus isotopes a. have different atomic numbers.
b, have different numbers of neutrons. 12. Adding acid tends to of a solution. e. react differently
with other atoms. a. increase the hydrogen ion concentration and d. have different numbers of
electrons. raise the pH e. have different numbers of protons. b, increase the hydrogen ion
concentration and lower the PH 6. An ion is formed when an atom c. decrease the hydrogen ion
concentration forms a oovalent bond with another atom. and raise the pH b. gains or loses an
electron. d. decrease the hydrogen ion ooncentration becomes part of a molecule. and lower the
pH d. gains or loses a proton. e. cord,depending on the original acidity e, gains or loses a
neutron. 7. The smallest particle of water is Essay a. an atom. 1. List the four elements meeded
by living things b a crystal. in large amounts, two others needed in moder- an element. ate
amounts, and two elements needed in trace d, a
Solution
1. The answer is: b. Iron.
Others are macro nutrient, require in higher amounts by the body.
2. The answer is: c. donates hydrogen ions to solutions.
Acid is a proton donator.
3. The answer is: e. electrons.
How an atom behaves when it comes in contact with other atoms is determined by its electronic
configuration and hence electrons.
4. The answer is: d tend to stock togethe.
Which of the following is a trace element, required only in small amo.pdfarjuntiwari586
Which of the following is a trace element, required only in small amounts by most living things?
a. oxygen b. iron c. nitrogen d. carbon e. hydrogen An acid is a substance that a. dissolves in
water. b. forms covalent bonds with other substances. c. donates hydrogen ions to solutions. d.
is a versatile solvent. e. removes hydrogen ions from solutions. How an atom behaves when it
comes into contact with other atoms is determined by its a. nucleus. b. size. c. protons. d.
neutrons. e. electrons. Most of water\'s unique properties result from the fact that water
molecules a. are very small. b. tend to repel each other. c. are extremely large. d. tend to stick
together. e. are in constant motion. Atoms of different phosphorus isotopes. a. have different
atomic numbers. b. have different numbers of neutrons. c. react differently with other atoms. d.
have different numbers of electrons. e. have different numbers of protons. An ion is formed
when an atom a. forms a covalent bond with another atom. a. forms a covalent bond with
another atom. b. gains or loses an electron. c. becomes part of a molecule. d. gains or loses a
proton. e. gains or loses a neutron. The smallest particle of water is a. an atom. b. a crystal c.
an element. d. a compound e. a molecule. Why are biologists so interested in chemistry? a.
Chemicals are the fundamental parts of all living things. b. Most chemicals are harmful to living
things. c. They know little about life except the chemicals it is made from. d. If you underhand
the chemistry of life. you can make a lot of money. e. Everything about life can be known by
understanding its chemistry. Molecule are always moving. Some molecules move faster than
others;___ is a measure of there average velocity of movement. a. Polarity b. heat c.
temperature d. electronegativity e. density Which of the following holds atoms together in a
molecule? a. ionic bonds between atoms b. transfer of protons from one atom to another c.
sharing of electrons between atoms d. loss of neutrons by atoms e. sharing of protons between
atoms Ice floats because a. it to colder than liquid water. b. its molecules are moving faster
than in liquid water. C it to more dense than liquid water. d. its hydrogen molecules bond to the
water surface film e. its water molecules are farther apart than in liquid water. Adding acid
tends to______of a solution. a. increase the hydrogen ion concentration and raise the pH b.
increase the hydrogen ion concentration and lower the pH c. decrease the hydrogen ion
concentration and raise the pH d. decrease the hydrogen Km concentration and lower the pH e.
c or d, depending on the original acidity Essay List the four elements needed by living things in
large amounts, two others needed in moderate amounts, and two elements needed in trace
amounts.
Solution
Answer:-
1:-Option b, Iron is trace element required in less than 1000mg/kg of dry matter
2:-option c, donates hydrogen ion to the solution.
3:-Option e, electrons determine.
Trump Student Misconceptions presented by Jennifer Bernabo and Robyn Shipley-Gerko
How do you as a teacher know what your students know? Do your students accurately explain a chemical concept? What are their misconceptions? In this session, our "GOAL" is to help teachers learn how to formatively assess their students' understanding of chemistry through a sequential process which utilizes demos as a teaching tool instead of just a cool attention getter. This technique will address and help correct students' perceptions of the real world. We will showcase this technique and use it to highlight many student misconceptions. Besides demos, we will also use a series of BULB "Building Understanding Learning Blurbs" to help teachers diagnose student misunderstandings. These short activities can be used in a variety of ways which will be discussed and shown in our presentation. All of our tactics can be used directly for teachers of all levels and teaching expertise. This session will make your classroom more fun, improve student learning, and more efficient.
This is a presentation by Dada Robert in a Your Skill Boost masterclass organised by the Excellence Foundation for South Sudan (EFSS) on Saturday, the 25th and Sunday, the 26th of May 2024.
He discussed the concept of quality improvement, emphasizing its applicability to various aspects of life, including personal, project, and program improvements. He defined quality as doing the right thing at the right time in the right way to achieve the best possible results and discussed the concept of the "gap" between what we know and what we do, and how this gap represents the areas we need to improve. He explained the scientific approach to quality improvement, which involves systematic performance analysis, testing and learning, and implementing change ideas. He also highlighted the importance of client focus and a team approach to quality improvement.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
The Art Pastor's Guide to Sabbath | Steve ThomasonSteve Thomason
What is the purpose of the Sabbath Law in the Torah. It is interesting to compare how the context of the law shifts from Exodus to Deuteronomy. Who gets to rest, and why?
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
For more information, visit-www.vavaclasses.com
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
Andreas Schleicher presents at the OECD webinar ‘Digital devices in schools: detrimental distraction or secret to success?’ on 27 May 2024. The presentation was based on findings from PISA 2022 results and the webinar helped launch the PISA in Focus ‘Managing screen time: How to protect and equip students against distraction’ https://www.oecd-ilibrary.org/education/managing-screen-time_7c225af4-en and the OECD Education Policy Perspective ‘Students, digital devices and success’ can be found here - https://oe.cd/il/5yV
5. What is the first word that
comes to mind when
you think of :
KINETIC
6. 1. Which of the following is NOT a
characteristic of liquids?
A. Liquids can flow.
B. The particles of a liquid are not attracted to each other.
C. The particles of liquids are closer together than particles
of gases.
D.Liquids conform to the shape of their container.
7. 2. When NaCl dissolves in water,
aqueous Na+ and Cl ions result. What do
you call the force of attraction that exists
between Na+ and H2O?
A. dipole-dipole
B. hydrogen bonding
C. ion-ion
D. ion-dipole
8. 3. Kinetic-molecular theory makes
several assumptions
about_______________.
A.The size and energy of the molecules.
B.The motion and energy of the molecules.
C.The motion and size of the molecules
D.The size and weight of the molecules
10. Activity 1:
• Take a glass of water.
• Drop a few drops of red food coloring
in it.
• Capture the moment the red food
coloring make their way down the
glass of water slowly. (phone
photography)
What happens? Why does this
happen?
11. The Kinetic Molecular
Theory (KMT) is a model
used to explain the behavior of
matter.
It is based on a series of
postulates.
12. Activity 2:
Illustrate the following postulates
Matter is made of particles that are constantly in
motion. This energy in motion is called kinetic
energy.
The amount of kinetic energy in a
substance is related to its
temperature.
13. Activity 2:
Illustrate the following postulates
There is space between particles. The
amount of space in between particles is
related to the substance's state of matter.
Phase changes happen when the
temperature of the substance
changes sufficiently.
14. Activity 2:
Illustrate the following postulates
There are attractive forces in
between particles called
intermolecular forces. The strength
of these forces increase as particles
get closer together.
