Solids, liquids Gases
Atoms & Molecules
Changing States of Matter
Vocabulary
Physical or Chemical Changes
100
Molecules are tightly packed
What is solid?
100
Tiny particles that make up matter.
What is an atom?
100
Heat energy
What do you need to change a solid to a liquid or a liquid to a gas?
100
The amount of space something takes up.
What is volume?
100
Baking Soda + Vinegar
What is an example of a chemical change?
200
Takes the shape of the container and have definite mass & volume
What is a liquid?
200
2 parts Hydrogen and 1 part Oxygen
What is water made up of?
200
The process when a solid changes directly to a gas.
What is Sublimation?
200
Amount of matter in an object.
What is mass?
200
Ice melting
What is an example of a physical change?
300
A solid
What has definite shape, mass & volume?
300
Atoms
What are molecules made of?
300
A gas turns into a liquid, or a liquid turns into a solid.
What happens when you take away heat energy?
300
The gravitational affect on an object?
What is weight?
300
2 substances combined and not evenly distributed.
What is mixture?
400
Do not have definite shape or volume and take the shape of its container.
What is a gas?
400
Salt
When you combine sodium and chlorine atoms you get what?
400
A liquid turning to a gas when heated.
What is evaporation?
400
How compact an object is.
What is density?
400
A special type of mixture where the ingredients are evenly distributed.
What is a solution?
500
Molecules move farther apart than a solid but closer together than a gas?
What is a liquid?
500
Nucleus
What is the center of an Atom called?
500
A gas changes back into a liquid when heat energy is taken away.
What is condensation?
500
A hot ionized gas.
What is plasma?
500
Elephant's toothpaste
What is an example of a chemical change?
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