Vocabulary
A pull that makes a moving object slow down or stop movie.
Friction
How can things move?
Roll, spin, slide, fast, slow, etc.
What pulls you down when you jump in the air?
Gravity
What makes a ball stop moving as it rolls across the ground?
Friction
What can magnets do to some metal objects?
Push or pull. Attract or repel.
To pull toward
Attract
A push or a pull that makes something move is called what?
Force
Where is gravity pulling us?
To the center of the earth
The amount of friction between objects depends on the texture of an objects ______.
Surface
What are some ways magnets are used everyday?
magnets on fridges, jewelry, sorting metal in junkyards, inside cars/computers, toys, trains, etc.
The outside of an object
Surface
What words are used to describe position?
Left, right, in front of, next to, behind, etc.
Objects will always _____ to the ground unless something holds them up.
What type of surface causes less friction?
A smooth surface.
What are the two poles on a magnet?
North and South
To push away
Repel
What determines how far an object will move?
The amount of force used.
How strong the pull of gravity is on an object is determined by the objects what?
Weight
What is the effect of riding a bike on the grass instead of the road?
The bikes moves slower. It takes more force to move the bike.
These three metals attract to magnets.
Iron, nickle and cobalt
A force that pulls things toward the center of the Earth
Gravity
An object that is doing this does not move from place to place; it stays in the same place.
Spinng
What would happen if gravity did not pull on objects?
Everything would float.
Why would it take more force to push something on a rough surface than on a smooth surface.
There is more friction on the rough surface making it harder to push and move.
What happens when you put two likes poles of two magnets together?
They repel each other.