Vocabulary
Pushes and Pulls
Potluck
Memory Check
100
What is the path a moving object takes?
Direction
100
True or False? If something touches a ball that's in motion, it can change direction.
True
100
Tell how you might use force while playing a game of soccer.
You could kick or throw the ball. You can make it change direction.
100
Who is Bill Nye?
He's the Science Guy!
200
Speed describes how _________ something moves.
Fast
200
Does a strong push make a swing move faster or slower than a gentle push?
Faster
200
What kind of change would the wind cause on leaf that is falling from a tree?
It could change the speed or direction.
200
When light hits most objects, the objects _______ , or bounce, light.
reflect
300
When something ____________, it is in motion.
Moves
300
Does throwing a ball with a lot of force make it go a long distance or a short distance?
A long distance
300
Name a way that you would use a push or a pull at home.
Check with the teacher
300
Why does a boiled egg spin and an uncooked egg does not?
The matter inside the egg changed when heat was applied and became solid. Solids spin better than liquid. Remember this from Matter Matters Day?!
400
What is the definition for "force?"
A push or a pull that can change how something is moving.
400
What is a term that describes how a roller coaster travels faster and faster as it goes downhill?
Gravity or Speed
400
In what direction does a swing move when you push it?
It moves away from you.
400
Who is Ellen Ochoa?
She was the first Latina astronaut
500
What is a force that slows down or stops a moving thing when it rubs against something?
Friction
500
Why does a moving thing slow down or stop?
Friction is a force that slows down or stops a moving thing when it rubs against something.
500
Name an example of how friction could be used on a bicycle.
The brakes use friction to stop the bike
500
What is a hypothesis?
A scientific statement you can test