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Ch 25: Physical Science Overview

About This Chapter

Our online lessons will be a great way for you to learn about topics in the physical sciences at your own convenience. Watch these lessons to get the important facts you will need to know if you want to understand this subject.

Physical Science Overview - Chapter Summary

Physical science is a very complex and esoteric subject, but learning about the basics is much easier if you use our helpful online video lessons. This chapter will provide you with all the instruction you will need in order to have a basic grasp of some of the main concepts and issues in physics.

Watch these lessons to learn about the principles and sub-disciplines in the field of physics itself, as well as the specific elements that are studied by these fields. The lessons will provide you with clear instruction as well as examples on each of these principles, objects of study, or physical laws. Upon completing the chapter, you will have a much better understanding of:

  • The definition, history & branches of physics
  • The states and properties of matter
  • The definition and examples of atoms
  • The definition of elements
  • Waves, vibrations and energy transfer
  • Compounds, molecules and living systems
  • The definition and types of force and motion
  • Wave parameters and the laws of thermodynamics

Our instructors all have expertise in the areas they teach, which means you don't have to worry about getting inaccurate or out-of-date information when you watch the lessons. If you wish to assess your understanding of these topics, take the practice quizzes that are also contained within this chapter. Your personal Dashboard will allow you to track your learning progress as you go through the chapter.

15 Lessons in Chapter 25: Physical Science Overview
Test your knowledge with a 30-question chapter practice test
What is Physics? - Definition, History & Branches

1. What is Physics? - Definition, History & Branches

Known as the fundamental science, physics creates a foundation for other natural sciences. In this lesson, you'll be introduced to the field of physics, learning about its history and its modern branches of study.

Matter: Physical and Chemical Properties

2. 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.

States of Matter: Solids, Liquids, Gases & Plasma

3. 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.

What is An Atom? - Definition & Examples

4. What is An Atom? - Definition & Examples

After watching this video, you will be able to explain what an atom is, how it is structured, what they are made from, and give some examples of elements. A short quiz will follow.

What Are Elements?

5. What Are Elements?

Look around you. What do you see? Elements are everywhere. They are the building blocks of all matter on Earth. In this lesson, we will discuss what an element is, how elements are written as symbols, and how elements are the building blocks of all matter.

How Compounds and Molecules Are Built From Elements

6. How Compounds and Molecules Are Built From Elements

Did you know that elements are somewhat like people and have different personalities? Some elements like to be left alone. Others prefer to hang out with friends. We'll discuss how elements build molecules and compounds and how these can be classified.

How Atoms & Molecules Form Solids: Patterns & Crystals

7. How Atoms & Molecules Form Solids: Patterns & Crystals

After watching this video, you will be able to explain how atoms and molecules form solids, whether in the form of random mixtures or crystal patterns. A short quiz will follow.

Living Systems Requirement for Free Energy and Matter

8. Living Systems Requirement for Free Energy and Matter

Free energy and matter are required by all living things in order to grow, reproduce, and maintain biological processes. Additionally, free energy and matter must also be recycled through the environment in order to remove dead material and allow for new growth.

Energy Transfer: Examples & Overview

9. Energy Transfer: Examples & Overview

Learn about energy and how the sun provides the energy needed to sustain life on Earth. Discover energy transfer and how energy is neither created nor destroyed, but moves from one place to another or changes from one form to another.

The Laws of Thermodynamics

10. The Laws of Thermodynamics

Learn about the first and second laws of thermodynamics. Find out how energy is generated, how it converts from one form to another, and what happens to energy in a closed system.

What is Motion? - Definition & Laws

11. 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.

Force: Definition and Types

12. 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.

Vibrations and Waves: Energy and Motion

13. Vibrations and Waves: Energy and Motion

What is a wave? What causes waves, and how do they travel from one place to another? This lesson will guide you through the basics of waves. We'll discuss their origins from vibrations and investigate how they carry energy through a medium.

The Wave Nature of Matter

14. The Wave Nature of Matter

After watching this video, you will be able to explain the concept of wave-particle duality, give an example of an application of wave-particle duality, and complete simple calculations using the de-Broglie wavelength equation. A short quiz will follow.

Wave Parameters: Wavelength, Amplitude, Period, Frequency & Speed

15. Wave Parameters: Wavelength, Amplitude, Period, Frequency & Speed

How do we measure and describe waves? How do waves differ based upon their shapes? This lesson will guide you through the five wave parameters - period, frequency, amplitude, wavelength, and speed - that we use to characterize waves.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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