Electricity Flashcards
1
Q
What is thermal energy
A
The kinetic energy of the moving particles of a substance.
2
Q
The highter the temperature…
A
… the faster the molecules move
3
Q
The lower the temperature…
A
…the slower the molecules move
4
Q
Thermal energy is related to what?
A
Mass
5
Q
What is heat?
A
Thermal energy on the move.
6
Q
Heating a cup of water in the microwave
A
Radiation
7
Q
Conduction is…
A
The transfer of heat by direct contact.
8
Q
Convection is…
A
The transfer of heat through water
9
Q
Radiation is…
A
The transfer of heat through waves.
10
Q
How does radiation travel
A
waves
11
Q
How does convection travel
A
water
12
Q
How does conduction travel
A
direct contact
13
Q
heat is
A
The transfer of thermal energy from warmer objects to cooler ones
14
Q
the sun makes you hot
A
radiation
15
Q
most of our electricity comes from
A
fossil fuels
