About This Chapter
The Particulate Nature of Matter - Chapter Summary
While studying these lessons, you can heighten your understanding of the particulate nature of matter. Some of the topics covered include Boyle's Law, gas exchange, and the water cycle. This chapter can also help you understand why plasma conducts electricity. After reviewing the lessons, you should be ready to do the following:
- Discuss differences in the four states of matter
- Explain the relationship between pressure and volume of a gas
- Recall how rate of diffusion is determined
- Provide examples of Brownian Motion
- Describe how energy changes matter from one state to another
- Explain how the simple particle theory is used
- Provide details about how water moves around the earth
The lessons in this chapter can help you easily get up to speed on the particulate nature of matter. If you need assistance, you can submit questions to instructors by using the Help feature. Video timelines let you navigate to specific topics based on what you need to study. Each lesson includes a full written transcript that you can print and use as a study tool.
1. States of Matter: Solids, Liquids, Gases & Plasma
Learn the four states of matter in the universe: solid, liquid, gas and plasma. Learn about the differences in shape and volume among the four states, which of the states is the most common and why plasma conducts electricity.
2. Boyle's Law: Gas Pressure and Volume Relationship
Have you ever wondered how an air powered water gun works? It uses the fantastic properties of gases to make a summer day more enjoyable! In this lesson, we will be discussing Boyle's Law and the relationship between pressure and volume of a gas.
3. Gas Exchange: Diffusion & Partial Pressure Gradients
If you've ever experienced shortness of breath on top of a mountain, this lesson is for you. Oxygen and carbon dioxide move into and out of our blood by diffusion. The rate of diffusion is determined by partial pressure gradients across the respiratory membrane in our lungs. Partial pressure is a function of both concentration and atmospheric pressure.
4. Brownian Motion: Definition & Examples
In this lesson, we will look at some basic ideas about how gas and liquid molecules move and how these simple movements give rise to Brownian motion which allows molecules to diffuse and fill a container.
5. Modeling Changes in State: Heat & Energy
Matter exists in different phases, but it can also change from one phase to another. It's not magic, it's energy! In this lesson, you'll explore how energy can change matter from one state to another and what the names of these phase changes are.
6. Simple Particle Theory: Lesson for Kids
Have you ever wondered how solids, liquids, and gases are different? In this lesson, find out what makes them have different properties and what this has to do with the particles that they're made from.
7. The Water Cycle: Precipitation, Condensation, and Evaporation
This lesson discusses the processes water takes as it moves around the Earth in the water cycle. You'll get an in-depth look at condensation, precipitation, and evaporation.
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