Energy Flashcards
What type of energy involves fusing atoms?
Nuclear
What type of energy involves waves?
Radiant.
What type of energy involves the movement of things?
Mechanical
Which type of energy is moving electrons?
Electical
Stored energy is?
Potential
Energy in motion is?
Kinetic.
Name something that converts chemical energy to mechanical energy?
Human, car, animals.
The law of conservation of energy says…
Energy cannot be created or destroyed.
What is the source of most of the earths energy?
The sun.
Eating food to keep your body warm is an example of…
Changing chemical energy into thermal energy.
If you have equal amounts of ice and water at the same temperature, which has more thermal energy?
Water.
The red shift of star light shows that the universe is…
Expanding .
The first three stages of a star life in order are…
Nebula , protostar , main sequence star.
Our sun is currently in what stage?
Main sequence.
Which stage is fusing hydrogen to helium?
Main sequence.
