What is energy
heat
Energy efficiency
Gravity and energy
Energy everyday
100
what is energy?
What is the ability to cause change, measured in joules
100
Most_______________use fuel or electricity as a source of energy.
What is heating systems
100
energy stored in a stretched spring.
What is elastic potential energy
100
what is the equation for gravitational potential energy?
What is GPE= mass x gravity x height
100
_______is the ability to cause change.
What is energy
200
the energy of food and other fuel is______________ potential energy.
What is chemical
200
______________means rapidly burning.
What is combustion
200
what is the equation for efficiency?
What is e=W out/W in x 100
200
two baseballs have the same mass. The ball that is closer to the ground has____________gravitational potential energy than the other ball does
What is more
200
Energy from the sun is called what?
What is solar energy
300
What is kinetic energy?
What is energy a moving object has because of it's motion.
300
A two way heat mover is a___________.
What is stroke
300
fuel burned in a stove or fireplace transfers thermal energy to the surrounding air by_______________, convection, and radiation.
What is conduction
300
energy stored in a boulder on a mountainside
What is gravitational potential energy
300
energy stored in a stretched spring.
What is elastic potential energy
400
what is the law of conservation of energy?
What is states that energy can't be created nor destroyed.
400
solar collectors are used in buildings that have_______________solar heating systems
What is active
400
using solar energy is appealing because it is_________.
What is free
400
when an object falls, some of its_________________ energy changes to __________ energy.
What is potential, kinetic
400
two trucks have the same velocity but different masses. The truck with the greater mass has____________kinetic energy than the other truck does.
What is more
500
A____________is a unit of measure of all forms of energy.
What is joules
500
A________________is the movement of a piston up or down.
What is heat pump
500
the____________energy of an object depends on it's mass and weight.
What is potential
500
What is kinetic energy?
What is energy a moving object has because of it's motion.
500
what is the equation for kinetic energy?
What is kinetic energy= 1/2 m x v squared
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