Chapter 5 Flashcards
1
Q
energy
A
capacity to do work
2
Q
kinetic energy
A
energy of an object’s motion
3
Q
potential energy
A
energy of an object’s position
4
Q
mechanical energy
A
an object’s kinetic and potential energy combined
5
Q
energy conversion
A
one form of energy being converted into another form
6
Q
friction
A
force that opposes motion between two objects’s surfaces
7
Q
law of conservation of energy
A
law that states that energy is only fransfered, nnot destroyed or created
8
Q
nonrenewable resources
A
natural resources that take longer to relplace than we use
9
Q
fossil fuel
A
nonrenewable resource that was formed from orginisms that died long ago.
10
Q
renewable resource
A
natural resource that can be replaced as fast as it is used up
