Holt Physical Science Chapter 3: States of Matter & Energy - Videos & Lessons

About This Chapter

The States of Matter & Energy chapter of this Holt Science Spectrum - Physical Science Companion Course helps students learn the essential lessons associated with the science of matter and energy. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the States of Matter textbook chapter.

How It Works:

Identify the lessons in the Holt Science Spectrum - Physical Science States of Matter chapter with which you need help.
Find the corresponding video lessons with this companion course chapter.
Watch fun videos that cover the matter and energy topics you need to learn or review.
Complete the quizzes to test your understanding.
If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.

Students will learn:

The kinetic theory of matter
States of matter
Kinetic and thermal energy
Phase changes
Characteristics of fluids in physics
Buoyancy
Pascal's principle
The kinetic molecular theory
The ideal gas law

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10 Lessons in Chapter 3: Holt Physical Science Chapter 3: States of Matter & Energy

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1. The Kinetic Theory of Matter: Definition & The Four States of Matter

Everything on Earth is made of matter, but that matter isn't always the same. Matter can exist in four different phases, and the kinetic theory of matter helps us understand the differences between those phases.

2. 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.

3. Kinetic Energy: Examples & Definition

To knock down a set of bowling pins, what must be true about the bowling ball? It must be moving! This lesson discusses the energy perspective of this simple truth: kinetic energy.

4. What is Thermal Energy? - Definition & Examples

This lesson defines and identifies examples of thermal energy everywhere from your kitchen to the Earth's core. We'll discuss geothermal energy, a renewable energy source, as well.

5. Phase Change: Evaporation, Condensation, Freezing, Melting, Sublimation & Deposition

Substances on Earth can exist in one of four phases, but mostly, they exist in one of three: solid, liquid or gas. Learn the six changes of phase: freezing, melting, condensation, vaporization, sublimation and deposition.

6. Fluids in Physics: Definition and Characteristics

Fluids really know how to move! As flowing materials, fluids have some unique properties that help us understand and describe them. In this lesson you'll explore what fluids are and how they are defined in the world of physics.

7. Buoyancy: Calculating Force and Density with Archimedes' Principle

Knowledge of the buoyant force is important when trying to understand why some objects float while other objects sink. In this lesson you'll learn about this unique force and how we apply it to various situations using Archimedes' Principle.

8. Applications of Pascal's Principle

After watching this lesson, you should be able to explain what Pascal's principle is, including providing the equation that represents it. You should also be able to provide examples of Pascal's principle in action and solve problems using the equation.

9. The Kinetic Molecular Theory: Properties of Gases

What makes a gas ideal? What types of characteristics do ideal gases have? In this lesson, we will discuss the many characteristics of gases and how knowing the microscopic properties of gas particles will help you understand the macroscopic properties of a gas.

10. The Ideal Gas Law and the Gas Constant

Have you ever wondered why the pressure in your car's tires is higher after you have been driving a while? In this lesson, we are going to discuss the law that governs ideal gases and is used to predict the behavior of real gases: the ideal gas law.

Chapter Practice Exam

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Practice Final Exam

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