Work, Power, and Simple Machines
Types of Energy
Energy Resources
Energy Transformations
How energy is produced and conserved
100
ability to do work
energy
100
energy that is stored
potential
100
Is wind energy renewable, nonrenewable, or inexhaustible?
Inexhaustible
100
alarm clock
electrical - sound
100
Bringing your own canvas bag to a grocery store instead of using plastic bags is an example of
reusing the canvas bag

reducing the amount of plastic used

200
Force is 5.0 N, distance is 20.0 m

What is the work?

100.0 Joules
200
energy of motion
kinetic
200
Fossil fuels are nonrenewable, renewable, or inexhaustible?
nonrenewable
200
digesting food
chemical - kinetic
200
Steam from burning fossil fuels or the movement of water in a hydroelectric plant spin a ____ which has metal wrapped around it.
turbine
300
center point of a lever
fulcrum
300
PE is 70 %, KE is ?
30%
300
heat from the ground is
geothermal
300
a swing slowing down on its own
kinetic - potential
300
Separating plastics from trash is the first step of this process.
Recycling
400
Which type of simple machine is a shovel?
Lever
400
energy stored in the nucleus of an atom
nuclear
400
Solar energy is renewable, nonrenewable, or inexhaustible?
inexhaustible
400
heat transfer through solids
conduction
400
Riding your bike to school instead of driving is an example of
reducing the car exhaust emissions
500
Force is 2.0 N, Distance is 10.0 m, time is 5.0 sec

Power is?

4.0 Watts
500
State the relationship between mass and kinetic energy.
The greater the mass, the greater the KE.
500
Name the 3 fossil fuels.
coal, oil, natural gas
500
heat transfer through waves from the sun
radiation
500
the whole area of buildings that get their electrical energy from one source is known as the ___
grid
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