Definitions 1
A ______ is a push or a pull.
All matter is made up of _______.
Atoms
Closing the refrigerator door.
Push
N S N S
Attract
+ - +
- - +
- +
Neutral
A ________ is an object that produces a magnetic field.
Magnet
________ is a force that can slow down an object when it rubs against another object.
Friction
Opening a desk drawer.
Pull
S N N S
Repel
- + +
_ _
_
Negative
_______ is a force that pulls objects toward the ground and causes objects to fall.
Gravity
When two like poles are facing each other, the magnets will ________ each other.
Repel
Playing a game of tug-o-war.
Pull
Paper clip
Magnetic
+ + -
- + +
- - +
Positive
________ is a change in position.
Motion
___________ __________ happens when charged objects try to balance out to become neutral charges.
Static Electricity
Typing on a computer.
Push
Piece of wood
Non-magnetic
- + - -
- - -
Negative
When equal forces are acting upon an object, there is no motion because the forces are __________.
Balanced
___________ is the force it takes to make an object move.
Work
Rolling a snowball.
Push
Diamond
Non-Magnetic
+ + -
+ - -
- - + +
Neutral