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What is a force?
a push or pull
TRUE OR FALSE: Forces makes things move by speeding things up, slowing things down, or changing directions.
True
TRUE OR FALSE: When you push a swing, that is a force.
True
When you pull a toy car and let it go, what does the force do?
It makes it move forward.
TRUE OR FALSE: Force makes things slow down, not speed up.
False
Motion is when something changes it ______________ over time.
position
Things in motion can move
quickly
quickly or slowly
slowly
When a swing moves it
moves only forwards
moves only backwards
constantly changes directions
THINK LIKE A SCIENTIST: Imagine you leave a toy boat in a bathtub full of water. If you gently blow on the water, will the boat be in motion? Why or why not.
answers vary
What is friction?
a type of energy
a force that happens when two things rub against each other
a type of heat transfer
Give an example of friction
answers will vary
TRUE OR FALSE: Using your brakes when riding a bike is an example of friction?
True
How does friction help when you are walking?
It prevents you from slipping
Friction is a ______________ that makes things stop or slow down.
force
TRUE OR FALSE: Magnets can pick up plastic toys?
False
Name something in your home that might have magnets on it?
Refrigerator (answers may vary)
