About This Chapter
CBASE Science: Basics of Physical Science - Chapter Summary
Utilize this chapter and its online video lessons as you prepare for the science portion of the College BASE examination. Expand your knowledge of topics that include atoms, phase changes and the periodic table. Categorize the various changes that take place in all matter, discover how energy can be classified and transformed, and learn how to characterize elements by their physical properties. Upon completion of the last of the lessons, you could be ready to:
- Discuss the composition of atoms
- Identify the elements of the periodic table
- Compare elements, compounds and molecules
- Outline matter's properties and states
- Describe the six phase changes of matter
- Contrast the physical and chemical states of matter
- Explain the functions of polar and nonpolar covalent bonds
- Define metallic and ionic bonds
- Understand the difference between kinetic and potential energy
- Describe the characteristics of work
- Interpret the laws of thermodynamics
- Explain Newton's laws of motion
All of the video lessons in this chapter focus on the above topics, and they can help you reach your goal of passing the science section of the College BASE examination. Incorporate the lessons into your existing schedule and learn 24/7 through your mobile device. Study in your spare time by watching the animated videos or listening to the narration of the seasoned instructors. You'll also have the option of printing out the worksheets as well as your quiz results so that you can learn offline during your downtime. Ask questions of the science experts, check out the transcripts and navigate the main topics by clicking the timeline feature under each video.
1. 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?
2. The Periodic Table: Properties of Groups and Periods
How is the periodic table like the map you used on your last road trip? In this lesson, you will be introduced to the periodic table, the road map of chemists. We will discuss how the elements are organized and how you can use this organization to identify some of their major physical properties.
3. Understanding the Relationships between Elements, Molecules & Compounds
Everything on Earth is made of atoms, and sometimes they combine to form new groups of atoms. The sky is the limit when it comes to these combinations, which account for the vast number of things we find in our natural world.
4. 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.
5. 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.
6. 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.
7. 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.
8. Polar and Nonpolar Covalent Bonds: Definitions and Examples
Did you know that some types of chemical bonds behave similarly to the way that children play with toys? In this lesson, you will learn about two types of bonds called polar and nonpolar covalent bonds.
9. What is a Metallic Bond? - Definition, Properties & Examples
The metallic bond is a type of chemical bond that occurs between atoms of metallic elements. It gives metals their unique properties that we don't see in nonmetal substances, as you'll learn in this lesson.
10. Ionic Bonds: Definitions and Examples
Did you know that when atoms stick together to form molecules, they gain and lose electrons, making them negatively or positively charged? In this lesson, you will learn how cations and anions form one type of chemical bond called an ionic bond.
11. Kinetic Energy to Potential Energy: Relationship in Different Energy Types
This video defines and describes kinetic and potential energy. You'll learn how different types of energy can be classified as potential and kinetic. You'll also find out how kinetic and potential energy are transformed.
12. Work: Definition, Characteristics, and Examples
Pushing a wall all day may feel like work, but unless you get that wall moving you're not doing any work according to the rules of physics. In this video lesson, you'll learn how work is defined as well as how to calculate the amount of work done on an object.
13. 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.
14. Newton's First Law of Motion: Examples of the Effect of Force on Motion
This lesson describes Newton's first law of motion, also known as the law of inertia. The interaction between force and motion is explained. Several examples are used to discuss the implications of this law on earth and in space.
15. Newton's Second Law of Motion: The Relationship Between Force and Acceleration
This lesson defines Newton's second law of motion. Examples are used to illustrate how unbalanced forces cause objects to accelerate. The examples are used to practice calculating acceleration and force for objects in motion.
16. Newton's Third Law of Motion: Examples of the Relationship Between Two Forces
This lesson describes Newton's third law of motion. Examples are provided to illustrate how interacting objects experience forces. The lesson explains how objects accelerate as a result of force. Applications of Newton's third law are illustrated in nature, machines, and space.
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