Question

1.

is anything that has mass and takes up space.
2. The three basic states of matter are

, liquid, and gas.
3. A state change is a

change.
4. Matter changes state because of

and temperature;

properties do not change.
5. Bonded water molecules form a crystal

structure.
6.

gives molecules energy that causes them to vibrate faster, breaking their bonds and melting.
7. Heat energy that helps break the molecular bonds of a solid is heat of

.
8. The temperature at which a liquid turns into a gas is the

point.
9.

is when a solid turns straight into a gas.

Answer 1

Answer:

1 solid, liquid, gas

2 reversible change

3 increase in temperature