SAT Subject Test Chemistry

PART 2

REVIEW OF MAJOR TOPICS

CHAPTER 1

Introduction to Chemistry

Chapter Summary

The following terms summarize all the concepts and ideas that were introduced in this chapter. You should be able to explain their meaning and how you would use them in chemistry. They appear in boldface type in this chapter to draw your attention to them. The boldface type also makes it easier for you to look them up if you need to. You could also use the search or “Google” action on your computer to get a quick and expanded explanation of these terms, laws, and formulas.

accuracy

gas

matter

activation energy

heat energy

meniscus

calorie

heterogeneous

mixture

Celsius

homogeneous

physical change

chemical change

inertia

physical property

chemical property

joule

potential energy

compound

Kelvin

precision

density

kilocalorie

significant figures

element

kilojoule

SI units

endothermic

kinetic energy

solid

exothermic

liquid

uncertainty

exponential notation

mass

 

Law of Conservation of Energy

Law of Conservation of Matter

Law of Conservation of Mass and Energy

Law of Definite Composition or Proportion

Internet Resources

Online content that reinforces the major concepts discussed in this chapter can be found at the following Internet addresses if they are still available. Some may have been changed or deleted.

The Classification of Matter

http://www.teacherbridge.org/public/bhs/teachers/Dana/Matter.html

This site explains the differences among types of matter and provides exercises to check your understanding.

The Scientific Method

http://en.wikipedia.org/wiki/Scientificmethod

This site gives an historical overview of examples of using the scientific method.

The SI System

http://en.wikipedia.org/wiki/InternationalSystemofUnits

This site gives an overview of the SI System as well as an historical and a global view of the system.