Describing Matter
Measuring Mass
Changes in Matter
Energy and Matter
Key Terms
100
The basic particle of an element
What is an atom?
100
liter (L), milliliter (mL), cubic centimeter (cm)
What are the common units of volume?
100
solid, liquid, and gas
What are the three states of matter?
100
A bike perched on the top of a hill
What is potential energy?
100
A single kind of matter that is pure, having a specific makeup and specific properties
What is a substance?
200
Study of the properties of matter and how it changes
What is chemistry?
200
SI
What is the International System of Measurement?
200
A change in matter that produces one or more new substances
What is a chemical change?
200
Electrically charged particles moving from one place to another
What is electrical energy?
200
The force that holds two atoms together
What is a chemical bond?
300
Anything that has mass and takes up space
What is matter?
300
The measure of the force of gravity on an object
What is weight?
300
A pure substance that cannot be broken down into any other substances by chemical means
What is an element?
300
Energy that travels through space as waves
What is electromagnetic energy?
300
A particle made up of two or more atoms bonded together
What is a molecule?
400
A pure substance made up of two or more elements chemically combined
What is a compound?
400
Volume = length X width X height
What is the formula for volume?
400
The ability to do work or cause change
What is energy?
400
Energy of matter in motion
What is kinetic energy?
400
Pure substances are unevenly distributed throughout a mixture
What is heterogeneous mixture?
500
sugar and water; air (nitrogen, oxygen, and other gases)
What is homogeneous mixture?
500
Density = Mass/Volume
What is the formula for density?
500
Matter is not created or destroyed in any chemical or physical change
What is the Law of Conservation of Mass?
500
Kinetic, potential, chemical, electromagnetic, electrical, and thermal
What are forms of energy?
500
The total energy of all particles in an object
What is thermal energy?
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