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Key Terms
Energy Conversions
Conservation of Energy
Energy Resources
Random Facts
100
The capacity to do work.
What is energy?
100
A conversion happens between these two forms of energy when you turn on a lamp.
What is electric and light energy?
100
Energy is never created or destroyed
What is the law of conservation of energy
100
Oil, coal, and natural gas
What are fossil fuels?
100
Coal is used in the United States mostly for this
What is electrical power generation?
200
Energy due to an object's position
What is potential energy?
200
A conversion happens between these two types of energy when you drop a ball.
What is potential and kinetic?
200
Some energy is always lost to overcome this
What is friction?
200
An energy resource that can be replenished faster than it is used
What is a renewable resource?
200
weight x height
What is the formula for gravitational potential energy
300
Energy due to an object's motion
What is kinetic energy?
300
This conversion occurs when you eat your breakfast and then go for a jog.
What is chemical to kinetic?
300
Friction always converts kinetic energy into this
What is thermal energy?
300
This energy resource come from heat being released from within the earth
What is geothermal?
300
The energy used to cook food in a microwave is a form of this type of energy
What is light energy
400
The formal name of heat energy
What is thermal energy?
400
The sun creates light and heat by converting this type of energy.
What is nuclear?
400
This impossible machine would be able to continue to move forever.
What is a perpetual motion machine?
400
This form of renewable energy uses plant matter.
What is biomass?
400
The formula for kinetic energy
What is mass time velocity squared divided by two
500
A change from one form of energy to another
What is energy conversion?
500
When plants conduct photosynthesis they convert this type of energy into chemical energy.
What is light energy?
500
The law of conservation of energy only applies to this type of system
What is closed?
500
Always all energy resources can trace their energy back to this source
What is the sun?
500
A device to measure energy from the sun
What is a radiometer