Definitions Flashcards
1
Q
What is the Particle Theory of Matter?
A
All matter is made up of tiny particles that are constantly in motion.
2
Q
What is Heating?
A
Heating a substance causes its particles to move faster and spread out.
3
Q
What is Cooling?
A
Cooling a substance causes its particles to move slower.
4
Q
What is Expansion and Contraction?
A
Most substances expand when heated, and contract when cooled.
5
Q
What is volume?
A
The amount of space and object takes up.
6
Q
What is mass?
A
Anything that has weight and shape.
