States of matter
Which state of matter is most of the universe made of?
Plasma
This is what happens when there is a loss of energy in a liquid.
What is freezing?
Changing from a liquid to a gas is a physical or chemical change?
Physical
The forces holding gas particles together.
What is weak forces?
Another name for thermal energy.
Heat
When you add pressure to a gas in a balloon, what happens to the volume of the balloon?
It decreases
If the temperature of the gas in a balloon increases, the volume of the balloon decreases. True or False
False
Is a phase change smooth or abrupt?
Abrupt
When water changes state from water to water vapor, what happens with the thermal energy during this change?
thermal energy (heat) is added to make water go to water vapor