About This Chapter
Physical Science Concepts - Chapter Summary
Our experienced instructors make physical science concepts easy to understand in this convenient and informative chapter. The lessons cover topics such as the physical and chemical properties of matter and the atom. Once you finish these lessons, you should be ready to complete these objectives:
- Discuss states of matter and chemical versus physical changes to matter
- Provide the definition and equation associated with the law of conservation of mass
- Outline the first law of thermodynamics
- Define force and list the various types
- Identify the laws of motion
- Explain acceleration, velocity and speed
- Detail the types of energy transformation
Each lesson comes with a corresponding quiz to help you assess your retention of the concepts. The video lessons feature a timeline that allows you to quickly navigate to specific topics as needed. Help is just a few clicks away in the Dashboard if you have any questions about the lesson material.
1. Matter: Physical and Chemical Properties
How are substances identified? There are two major ways we can describe a substance: physical properties and chemical properties. Learn about how chemists use properties to classify matter as either a mixture or a pure substance.
2. States of Matter and Chemical Versus Physical Changes to Matter
The world around us is constantly changing. Chemists put those changes into two main categories: physical changes and chemical changes. This lesson will define and provide examples of each.
3. The Atom
Tune into this lesson to find out what matters about matter. What exactly is an atom? And, how do the atoms that make up the elements in the periodic table differ from one another?
4. The Law of Conservation of Mass: Definition, Equation & Examples
Read about the law of conservation of mass, its role in chemistry, and its importance in the universe. Learn the equation, review examples, and test your knowledge of the material with a short quiz.
5. First Law of Thermodynamics: Law of Conservation of Energy
This video describes the first law of thermodynamics. Several examples of the application of this law are discussed. The significance of the law and its practical application are discussed as well.
6. Force: Definition and Types
Force is everywhere and it comes in a variety of sizes, directions, and types. In this video lesson, you'll identify force as well the different types of force that objects may experience.
7. What is Motion? - Definition & Laws
Motion is the act of moving and plays a huge role in the study of physics. This lesson walks through important terms and the laws of motion that guide the study of motion.
8. Speed, Velocity & Acceleration
Speed and velocity are not the same thing. Objects' speed and velocity can be identical or very different, depending on their directions of motion. In this article, learn more about these foundational physics concepts, including acceleration and free-falling objects.
9. Energy Transformation: Definition, Types & Examples
In this lesson, you will learn about the different kinds of energy and how these types of energy can be transformed from one form to another. You will also learn about some uses of these energy transformations in everyday life.
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