the energy gained by an object when work is done on it
What is mechanical energy
100
describe convection.
what is The transfer of thermal energy through the movement of a liquid or gas
200
In a waterfall, potential energy is transferred to _________.
What is kinetic energy?
200
Kinetic energy is _________ energy
What is moving?
200
work is performed when..?
What is when force moves an object
200
The energy of motion of the atoms of a substance
What is thermal energy?
200
Wood is used on the handles of many metal frying pans because it does not conduct heat well, making it a good "this."
What is an insulator
300
potential energy equation
What is PE=mgh?
300
In order to give a ball more kinetic energy, you must do more ________?
What is Work?
300
what do you need to calculate work?
What is force, and distance
300
what is something that uses mechanical energy of water to turn water?
What is hydro- electric dams
300
which form of heat requires no atoms for thermal transfer?
What is radiation
400
plays a major role in GPE
What is gravity?
400
Kinetic energy of a ball at the bottom of a hill equals________.
What is potential energy at the top?
400
is making a sandwich work?
What is yes
400
what is the best way to transfer thermal energy better than other materials?
What is a conductor
500
You are floating in your space suit about 1,000 m from the moon's surface and your mass is 61kg. What is your potential energy? (gravity of the moon is 1/6 of the Earth)
What is 99,430 J?
500
You’re applying 4000 N of force to a hockey puck with a mass of 0.20 kg. It travels over a distance of 0.10 m on a frictionless ice rink. What is the puck’s final speed?
What is 126.5 m/s?
500
The transfer of thermal
energy by radiation does not
require ______.