1.
forces that have the same strength
2.
a contact force that pushes against objects moving
3.
a noncontact force of attraction
4.
the energy an object has due to its motion
5.
the stored energy an object has
6.
forces that have different strengths
8.
an object that stores energy
9.
a form of energy stored in chemical bonds
10.
a path through which electrical energy can flow
11.
a form of energy that can move through wires
12.
a form of energy we can see
13.
when light bounces off a surface
15.
a form of energy we can hear
16.
a device that opens and closes a circuit
17.
a form of energy measured by temperature
19.
an imaginary line from North to South
20.
represent a complex process or object simply
21.
spin in a circle around an axis
22.
a dark area formed when light is blocked
