General Energy Questions
What is energy?
The ability to do work
What is the energy transformation for a fan being plugged in and turned on?
electrical - kinetic, sound
oil, coal, and natural gas
What type of energy does this contain?
food
chemical energy
Which type of living thing can make its own food using the sun's energy?
plants
True or False: Energy can be created and destroyed
False
I plug in a lamp, what type of energy transformation occurs?
(In other words, what is the energy input and the energy output?)
Electrical energy to light and heat energy
How long does it take to create fossil fuels?
millions of years
In any wave, what is the name for the height of the wave?
amplitude
In a collision, a small amount of energy is converted into...
heat and sound
What is another name for energy of motion?
Kinetic energy
What is the energy transformation?
Stretching a rubber band and releasing it
potential to kinetic
Renewable or non-renewable energy source: wind
renewable
What is a wavelength (draw a picture or write a definition)
The distance between wave peaks
Without these two things, there would be no sound
air, vibrations
What is another name for stored energy?
Potential energy
Playing a piano
kinetic to sound
Renewable or non-renewable energy source: sunlight
renewable
What does the amplitude of a wave measure in sound?
The volume
What type of circuit allows electricity to flow? (open or closed)
closed
Energy sources that do not run out are called
Renewable resources
What is the energy transformation?
A bicycle at the top of a hill rolling down the hill
potential to kinetic
Renewable or non-renewable energy source: natural gas
What does the amplitude of a wave measure in light?
The brightness of the light
True or false: Light reflects off an object at the same angle that it came in on.
True