Unit 7 Test Flashcards
1
Q
The mechanical energy of a coconut falling from a tree.
A
U7C2
remains constant
2
Q
When an object is dropped what happens to potential and kinetic energy as it falls?
A
U7C2
GPE goes down, KE goes up
3
Q
When you hold an ice cube, your hand feels cold because.
A
U7C3
heat flows from your hand to the ice cube.
4
Q
Transfer of energy by the movement of heated particles.
A
U7C3
Convection
5
Q
A material that resists/limits the flow of heat by conduction, convection, and radiation is a.
A
U7C2
insulator