Force
What is a force?
A force is a push or a pull
What force keeps us on the ground?
Gravity
What is the force that slows down moving objects?
Friction
What do we call it when something moves?
Motion
Name a type of force that can cause objects to move.
Answers can be: Friction, Gravity, Push/Pull
What would happen if the Earth had 0 gravity?
We would float.
Which is harder to slide on: grass or ice? Why?
Grass, because it has more friction.
If a car is speeding, what type of motion is taking place?
Acceleration
When you hit a baseball with a bat, what type of force are you using?
A push
If you release a ball from your hands, what direction will it go in?
Down
What will happen to a rolling ball if there's lots of friction on the ground?
The ball will stop quickly.
What is the term for how fast something is going?
Speed
Which force occurs when one side has a greater force than the other side?
Unbalanced Force
Why do astronauts float in space?
Because they are in a place with very little gravity
Name a type of surface that doesn't have any friction.
Smooth
Does rolling down a hill increase or decrease your speed?
Increase
What is the definition of a balanced force?
A balanced force is when each side has an equal amount of force, and the object doesn't move.
Why is gravity important?
It pulls us to the ground and keeps us from floating away.
How does friction help us when we walk?
It keeps us from slipping
What type of motion happens in a straight line?
Linear motion