Random
List 3 examples of heat technologies.
furnace, air conditioner, curling iron, etc.
When you remove kinetic energy from a liquid what state does it change to?
Solid
List 2 natural sources of thermal energy.
sun, fire, hot springs, volcanoes, etc.
With heat technology it is important that we are able to _________________ it, so that it doesn't continue to heat up.
Control
Is an oven a need or a want?
Want
If you are going to reach a melting point what is happening to the amount of heat?
Heat is being added. (heat is increasing)
What direction would you have your windows facing in passive house?
South facing.
Black material will ____________ radiation.
Absorb
What is the earliest theory of heat?
Fire & Air
Convection
What type of windows would you have on a house that is using passive energy system?
double or triple paned windows
What is the critical part of a thermostat? (what controls the switch?)
Bimetal strip/coil
Our amount of electricity use has ____________ as time goes on.
Increased
As particles are heated what happens to their volume?
Expands
What does geothermal energy mean? Also give an example.
Energy produced in the Earth.
ex. hot springs, volcanoes
Why didn't everyone have solar panels on their houses in 2002? (give one reason)
Expensive, didn't work as well?
The second theory of heat was the idea that heat was an invisible fluid. What was this theory called?
Contraction happens when:
Particles slow down (heat transferred away) & volume decreases
What is the largest source of natural thermal energy?
The Sun
What does a local heating system control?
Only the heating/cooling in that room.