Natural Resources
Where does geothermal energy come from?
money
what is heat? The transfer of ________ from ___________________________________
energy from a warmer object to a cooler one
Light energy can be seen through
stars
friction
stars
What is medium
liquid, solid, gas
Why are fossil fuels considered non-renewable resources?
fossil fuels cannot be replaced fast enough for future use
What changes mechanical energy into electrical energy?
a generator
Radiation comes in the form of _______
waves
Thermal energy is the ________ energy of the object due to the energy of motion of its particles
internal
external
internal
sound energy is a type of energy:
kinetic
motion
thermal
kinetic
Geothermal power plants use __________ from the earth's surface to generate power.
heat
What is the point of having a prototype?
To test out the final design and collect data
Which method of heat transfer is spread through rotating cycles of warm and cool air currents
convection
Energy from sunlight is what kind of energy?
solar or thermal
Would an insulator keep heat from going through or help it go through
keep it from going through
Name a renewable resource
it cannot be used up
Which method of heat transfer is spread through contact?
Conduction
How does sound energy travel
vibrations/waves
Which of these is an insulator:
hot pan
cookies
oven mitt
oven mitt
The act of saving, protecting, or using resources wisely is __________________.
conservation
Circuit currents
waves
sound
circuit currents
Which is an example of thermal energy:
friction
a cooler
the water cycle
friction
How do you stop sound from traveling?
stop it from vibrating
turn the lights off
put a solid object in it
stop it from vibrating
Something that resists the flow of energy and keeps it from getting too powerful is a resistor
true
false
true