Magnets
True or False: Magnets MUST touch the object that they are moving.
False. Magnets can move objects without touching them!
What does gravity do to an object?
Pulls it downward toward the Earth.
When I move something AWAY from myself, what force am I using?
Pushing
What force STOPS motion?
Friction
What happens when two of the SAME poles (north and north, south and south) of magnets come near each other?
The magnets REPEL each other, or move away from each other.
What is keeping the folders inside of your desk from falling to the ground due to gravity?
The desk is holding them up
Jess kicks a soccer ball with a little force. Kat kicks the ball with greater force. Whose ball will travel farther?
Kat's ball.
When objects are in motion, they are constantly changing:
a. position
b. gravity
c. direction
What happens when opposite poles of magnets come near each other?
They ATTRACT each other, or come near each other.
How does a bird overcome gravity?
By pushing the air with its wings.
Gustavo wants to move furniture in the classroom. Which will require the most force to move?
a. The chair
b. The desk
c. The bookshelf
C. The bookshelf. It has the most mass, so it will take the most force to move.
Ondrea walks out of the classroom, and turns toward the stairs. Did she change her direction?
Yes, she turned right toward the stairs.
Name one type of metal that attracts magnets.
Murtaza throws a ball toward Neindjhi. What force will take over if Neindjhi does not catch it?
Gravity will pull the ball toward the ground.
Which has more friction: an ice rink or a grassy field?
A grassy field
Doria and Vladina are rolling a car down a ramp. What will INCREASE the speed of the car?
a) increasing the height of the ramp
b) decreasing the height of the ramp
a) increasing the height of the ramp
Why did only part of the scissors attract the magnet?
The other part was plastic and plastic does not attract magnets.
Does gravity always work?
Yes, even when something is not falling toward the ground gravity is working.
Which will require more force:
a) an object with a small mass
b) an object with a large mass
B) An object with a large mass
Adrion kicks a ball across a field. Why will the ball stop rolling eventually?
The friction from the field will stop the ball.