Ch-Ch-Ch-Changes
What's the Matter?
Changing States
100
Change in matter in which substances change into other substances
What is a chemical change?
100
anything that has mass and takes up space
What is matter?
100

average kinetic energy

What is temperature?

200
bubbles, change in odor, change in color, change in energy
What are signs of chemical change?
200
building block of matter
What is an atom?
200

total potential and kinetic energy and potential energy

What is thermal energy?

300
temperature, concentration, surface area
What are factors affecting rates of reaction?
300
Elements and compounds are two types of this.
What is a substance?
300

change in state from a liquid to a gas

What is evaporation or vaporization?

400
change in matter in which identity stays the same
What is a physical change?
400
substances with 2 or more elements bonded in the same formula
What are compounds?
400
A solid changes directly to a gas; requires the addition of thermal energy.
What is sublimation?
500
The total mass of substances before a reaction is the same as the total mass of substances after a reaction.
What is conservation of mass?
500
matter that varies in composition
What is a mixture?
500

A gas changes directly to a solid; thermal energy is removed.

What is deposition?

M
e
n
u