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
Electrical
Stored energy is
Potential
Energy of 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 the most of the earth energy
Sun
Eating food to keep your body warm is an example of
Changing chemical energy to thermal energy
If I have equal amounts of water and ice at the same temperature, which has more thermal energy
Water
Liquid have ____ shape and ____ volume
Variable, constant
Which state of matters has the most energy
Gas
Which state of matter has molecules in a fixed position, vibrating
Solid
Heat transfer by touching is
Conduction
Heat transfer from the sun to the earth is
Radiation
Heat transfer by air rising, cooling and the falling is
Convection
The Big Bang Theory is an explanation of the start of the ___
Universe
The Big Bang Theory says
The universe started from point and is still expanding
A Theory and a law are the same thing
False
Which is larger a Galaxy, Planet, Universe
Universe
Our solar system is part of what galaxy
Milky Way