- Temperature is a measure of heat energy
- Condensing means a substance changes from a gas into a liquid by decreasing heat energy
- So, decreased temperature will cause a substance to condense from a gas to a liquid

- Decreased temperature will cause a substance to condense from a gas to a liquid
- Water vapor is water in gas state
- Water droplets are water in liquid state
- Therefore, decreased temperature will cause water vapor to condense to water droplets

Therefore, decreased temperature will cause water vapor to condense to water droplets
[Question]When water evaporates from Earth's surface into the atmosphere, its molecules enter the gas state. What change in this gas causes molecules to condense into the small water droplets that form clouds?
[Context]- Water vapor is water in gas state 
- Temperature is a measure of heat energy 
- Water droplets are water in liquid state 
- Condensing means a substance changes from a gas into a liquid by decreasing heat energy