Energy
hydroelectric energy
Water that falls from clouds
Precipitation
The amount of water vapor in the air
Humidity
A measure of the amount of heat energy in an object or system
Temperature
True or false: Windmills create energy
False, energy cannot be created. They transfer it.
Physical change in matter from a gas (water vapor) to a liquid
Condensation
Type of precipitation when solid water falls from clouds and forms tiny crystals
Snow
The measure of the force of gravity on an object
Weight
The type of energy an apple has stored in its bonds
Chemical energy
The changing of water from liquid to a gas (water vapor)
Evaporation
Type of precipitation when solid water falls from clouds that melts and freezes again
Sleet
A physical property of a solid used to describe its surface
Texture
Mechanical energy that travels as waves through the air or water, and vibrates the eardrum upon contact
Sound Energy
Water found in rivers, lakes, glaciers, ice sheets, and underground that contains low concentrations of salt
Freshwater
Moving air
Wind
A liquid mixture where one substance is mixed evenly throughout another substance
Solution
A type of energy an object has due to its motion or position; the sum of kinetic and potential energy
Mechanical Energy
The layer of gases surrounding Earth held in by gravity
Atmosphere
The condition of the atmosphere at a given time and place, such as temperature, cloud cover, wind speed, and rainfall
Weather
A change of a substance from one form to another without a change in its chemical properties
Physical Change