Show:
Vocabulary
Examples
Force/Motion
Magnetism
100
Force

 A pull or push that acts on an object

100
Which is an example of a force?


Listening to music

Watching tv

Sleeping

Lifting weights

Lifting weights
100

Based on inertia, a moving object will go in a _____ line unless some force makes it change direction. 

straight
100
Magnets are attracted to...
iron!
200
Gravity
pulls objects to Earth
200

The mover pushed his cart full of boxes on the tile floor and it went fast and easy. When he pushed his cart on the carpet, it was harder because there is more friction on the carpet. Therefore, he must _____. 

use more force to push the cart when he’s on the carpet

200

The mover pushed his cart full of boxes on the tile floor and it went fast and easy. When he pushed his cart on the carpet, it was harder because there is more friction on the carpet. Therefore, he must _____. 


a. leave the cart outside and take a nap 

b. use less force to push the cart when he’s on the carpet 

c. use more force to push the cart when he’s on the carpet

 d. forget the cart and carry the boxes one at a time

c. use more force to push the cart when he's on the carpet
200
Give three examples of objects that are magnetic.
paperclips, bobby pins, refrigerator, end of a tack, etc. (anything with iron)
300

Friction

causes resistance between two objects

300

A ball is laying on the floor. When will the ball move? 

when a force acts on it
300

Based on inertia, a moving object will go in a _____ line unless some force makes it change direction. 

straight
300
Give three example of items that are NOT magnetic.
paper, wood, plastic bag, cabinets, etc. (anything without iron)
400
Inertia

a state of rest of an object or uniform motion in a straight line unless a force acts on it 

400
It's summertime and you want to take your sled to the biggest hill and slide down it! You get there and you barely move. Why?
There is no snow or ice, which causes less friction. The grass/dirt and your sled are resisting and pushing against one another.
400

Which of the following would have the most friction?


a. ice

 b. a floor that has just been waxed 

c. carpet 

d. a surfboard

c. carpet
400
What is it called when an object resists another magnet or iron material?
repel
500
Magnetism
a force that attracts or repels objects towards or away from a magnet
500

The taxi driver has to be more careful when driving in winter because the road is more slippery than when he drives in summer. That means that the friction on the road during winter is _____ the friction during summer. 

less than
500

 When an object changes position because of force and has movement, it is called _____. 

a. force

 b. push

 c. pull 

d. motion

d. motion
500

What is it called when an object joins with another magnet or iron material?

attracts