About This Chapter
The Properties of Matter - Chapter Summary and Learning Objectives
Matter is a rather large concept, but we are tackling it in this chapter. You'll watch lessons that explain what elements are and how they make up matter. Lessons will also cover topics that include atomic number, mass number, physical properties of matter and common chemical reactions. In addition to learning some of the fundamentals of matter, you will get a chance to learn about nuclear reactions and radioactive decay. Some of the other things you can expect to learn about as you watch the lessons in this chapter include:
- How compounds form from elements
- States of matter
- Phase changes
- Cycles of matter
|What Are Elements?||Learn about elements and how they are used as building blocks of matter.|
|Atomic Number and Mass Number||Explore the atomic number and mass number of an atom to learn how to use the nuclear symbol of an atom to determine its number of protons, neutrons and electrons.|
|How Compounds and Molecules are Built From Elements||Discover how compounds and molecules are built from elements.|
|Matter: Physical and Chemical Properties||Study the physical and chemical properties of matter.|
|States of Matter: Solids, Liquids, Gases, & Plasma||Find out about the types of solids, liquids, gases and plasma, in addition to their properties.|
|Phase Change: Evaporation, Condensation, Freezing, Melting, Sublimation & Deposition||Find out about the processes of evaporation, condensation, freezing and melting.|
|Common Chemical Reactions and Energy Change||Examine common types of chemical reactions.|
|Nuclear Reaction: Definition, Examples & Quiz||Learn about nuclear reactions and how they are different from a chemical reaction.|
|Half-life: Calculating Radioactive Decay and Interpreting Decay Graphs||Develop an understanding of half-life and nuclear decay in relation to radioactive dating.|
|Cycles of Matter: The Nitrogen Cycle and the Carbon Cycle||Analyze how carbon and nitrogen cycle through the environment through biotic and abiotic components.|
1. 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.
2. 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.
3. Atomic Number and Mass Number
Atoms are the basic building blocks of everything around you. In order to really understand how atoms combine to form molecules, it's necessary to be familiar with their structure. In this lesson, we'll dissect atoms so we can see just what really goes into those little building blocks of matter.
4. How Compounds and Molecules Are Built From Elements
Did you know that elements are like people and have different personalities? A few elements are very shy and love to be left alone. Others are very social and prefer to hang out with friends. In this lesson we will discuss how elements build molecules and compounds.
5. 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.
6. Chemical Bonds: Ionic vs. Covalent
Atoms make up everything on Earth, and chemical bonds are what hold those atoms together. In this lesson, we'll discuss two very important types of chemical bonds: covalent and ionic.
7. 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.
8. 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.
9. Common Chemical Reactions and Energy Change
This lesson covers the five common types of chemical reactions: combination, decomposition, single-replacement, double-replacement, and combustion. You will learn how to predict what kind of chemical reaction will occur. You'll also explore how matter is conserved, but energy can change.
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- Understanding Geologic Time
- Overview of Earth's Spheres & Internal Structure
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- Overview of Minerals & Rocks
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- Weathering, Erosion & Wasting
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- Weather and Storms
- Understanding Earthquakes
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