Plastic is an example of a(n)

Question

1. amorphous solid
2. high viscosity liquid
3. crystalline solid
4. fluid

Answer 1

3. crystalline solid

Answer 2

The measure of the AVERAGE energy of motion of particles in matter is known as

Answer 3

The measure of the AVERAGE energy of motion of particles in matter is known as temperature.

Answer 4

To separate a mixture of paper clips and sand, Joe should use

1. magnetic separation
2. distillation
3. decanting
4. wind separation

Answer 5

3. decanting

Answer 6

Which of the following is NOT true?

1. Particles move differently depending on state.
2. Particles have the same amount of energy in different states.
3. Energy must be added or removed to change state.
4. Particles have different amounts of energy in different states.

Answer 7

2. Particles have the same amount of energy in different states.

Answer 8

To change a gas to a liquid, you need to ________ the amount of energy.

1. keep the same
2. decrease
3. hydrolyze
4. increase

Answer 9

2. decrease