Unit 3 (topic 3-4) Flashcards
0
Q
thermal energy
A
the energy generated by the movement or vibration of particles
1
Q
energy
A
the ability to do work and to cause change
2
Q
temperature
A
a relative measure of how hot or cold something is, measure on a scale.
3
Q
expand
A
to increase in volume
4
Q
contract
A
to shrink or decrease in volume
5
Q
Particle Model of Matter
A
1) Tiny Particles- All substances are made of tiny particles
2) Motion- All particles are in motion- Vibrating, Rotating, And (Liquids and gases) moving from place to place
3) Spaces- particles have spaces in between them
4) Temp increase- Particles move faster/ Temp decrease- Particles move slower
