Definitions
Gravity
Electrostatic
Magnetism
Technology
100

A force that is applied by an object in contact with one another

Contact Force

100
the man who discovered gravity

Issac Newton

100

+ sign represents what type of charge

positive

100
what are the two types of poles on a magnet
north and south
100
magnets use what kind of forces

magnets

200
this acts on an object without touching it

Non-contact force

200

gracity pulls objects to the center of the ______

Earth
200

this sign - represents what type of charge

negative

200

what happens when two north poles are beside each other

they repel

200

type of force holding a balloon on a wall

electrostatic
300

when objects pull towards each other

attract

300

in space our ______ will stay the same

mass

300

a negative charge and a negative charge will 

repel

300

what happens if a north and south pole are beside each other 

they attract

300

leaves falling to the ground

gravity

400

when objects push each other away

repel


400

in space our _________ will change because of the change in gravity

weight
400

give an example of electrostatic forces

answers will vary

400

these three metals are magnetic

cobalt, nickel, iron

400
photocopier

electrostatic

500

an invisible force that causes objects to attract or repel

magnetism

500

would we would weigh __________ on the moon compared to what we weigh on Earth

less

500

when we feel a shock, electric charges are

jumping

500

what two ways can you make a non-magnetic metal magnetic

striking and rubbing

500

printer

magnet