This document discusses the process of dissolving and crystallizing solutions. It defines solids and liquids, explaining that solids have a rigid structure and fixed shape while liquids can flow freely. Solutions are formed when a solvent dissolves a solute, such as salt dissolving in water to form salt water. The text then provides examples of heating salt water and liquid copper sulfate, noting that the water evaporates in salt water leaving crystalized salt behind. Students are instructed to prepare salt water and copper sulfate solutions to observe changes over time and compare to their hypotheses.
Intro to ecosystems - Adapted from The Biology Corner, Intro to Ecologyacloving
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An introduction to the components of an ecosystem (adapted from The Biology Corner (2001), Introduction to Ecology, retrieved on the 10/09/13, http://www.biologycorner.com/lesson-plans/ecology/)
Intro to ecosystems - Adapted from The Biology Corner, Intro to Ecologyacloving
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An introduction to the components of an ecosystem (adapted from The Biology Corner (2001), Introduction to Ecology, retrieved on the 10/09/13, http://www.biologycorner.com/lesson-plans/ecology/)
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
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
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
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Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
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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 Caesarâs dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empireâs 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 Empireâs 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.
Model Attribute Check Company Auto PropertyCeline George
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In Odoo, the multi-company feature allows you to manage multiple companies within a single Odoo database instance. Each company can have its own configurations while still sharing common resources such as products, customers, and suppliers.
Palestine last event orientationfvgnh .pptxRaedMohamed3
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An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
We all have good and bad thoughts from time to time and situation to situation. We are bombarded daily with spiraling thoughts(both negative and positive) creating all-consuming feel , making us difficult to manage with associated suffering. Good thoughts are like our Mob Signal (Positive thought) amidst noise(negative thought) in the atmosphere. Negative thoughts like noise outweigh positive thoughts. These thoughts often create unwanted confusion, trouble, stress and frustration in our mind as well as chaos in our physical world. Negative thoughts are also known as âdistorted thinkingâ.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
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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 wasnât 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.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
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This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
2. What is a Solid?
īA solid is a substance that is
considered to be structurally
rigid and resistant to changes
in shape and volume.
However there are some
exceptions. Sand for example
is considered a solid but can
be poured like a liquid.
ī A solid substance contains Particles
particles that are closely
packed together.
3. What is a liquid?
īA liquid is a substance that
has a definite volume that
has no fixed shape.
ī A liquid is made up of tiny
particles that are able to
freely move. Unlike gas they
do not inhabit the whole
space it is in as it has a Particles
relatively fixed volume.
4. Combining Solids and Liquids
ī Liquids and solids can be combined and
depending on the substance the solid may
dissolve into the liquid forming a solution.
ī A solvent is a substance, usually a liquid, that
will dissolve another substance.
ī The substance that dissolves in a solvent is
called the âsoluteâ.
ī Together, the solvent and the solute make up
a mixture called a âsolutionâ.
5. Heating Salt water
ī Heating salt water reveals the solute in sea water.
ī Watch the following video and answer the
questions.
ī Where does the water go and why?
ī What is left?
ī Note the size of the crystals.
6. Salt water and liquid copper
sulphate are solutions!
Solute Solvent Solution
Water (H2O) Salt (+ some other Salt water (Sea
elements) water)
Water (H2O) Copper Sulphate Liquid Copper
(CuSO4) Sulphate
Complete the following in your lab
books and post to Posterous when
complete.
7. Procedure (READ before
completing the task)
ī You are to take 1 x petri dish (top
& bottom). Write your name on
the side in permanent marker.
ī On the other side write the name
of the solution, i.e. salt water &
copper sulphate.
ī Pour 15ml of each solution into
the corresponding dish.
ī Take a photo of each dish and
place the dishes into the tub to
be put into the store room over
the weekend.
8. Think about it. Predicting.
ī What do you think will happen to the
solutions?
ī What will the differences be between the
two solutions after 3 days?
ī Write
a hypothesis (educated prediction
to describe what you think is going to
happen.
9. Observation.
ī Once you have your petri dishes back
describe what they look like.
ī Take a picture of each dish, and describe
each one.
ī Is there any significant
differences/similarities between the two
dishes?
ī Was your hypothesis proven? Discuss.
ī Post to Posterous.
