Pushes and Pulls
Throwing a ball. Push or Pull?
It's a push
What is gravity?
A force that pulls objects toward the center of a planet (the ground)
What is friction?
A force that causes objects to slow when moving across a surface.
What is an herbivore?
A plant eater
Bringing your book closer to you. Push or Pull?
Pull
How does gravity affect juggling?
The balls that are thrown up keep coming back down.
Why are bowling alley lanes smooth?
The ball will roll faster on a smooth surface.
What type of map shows the borders and names of countries/states/cities?
Political map
Two boys playing football are pushing against each other with the same amount of force. What will happen?
The boys won't move because they both have the same force.
Objects weigh less
If a ball is rolling on a bumpy surface, will it roll faster or slower? Why?
The surface causes friction so it will go slower.
Which two oceans border the United States?
Pacific and Atlantic
Tug of war is both a push AND a pull. Why is this true?
You pull on the rope and push on the ground to stay in place.
If there is less gravity, how does the weight of an object change?
It gets lighter
Why is it hard to ride a bike on grass?
The friction makes it harder to go faster.
What is Miss Knutson's dog's name?
Rocky/Rockward
How can forces affect the motion of an object?
They can cause it to move, to stop, and to change direction.
Why is the gravity greater on Earth than it is on the moon?
Is it easier to drive a car on a dirt road or a paved road? Why?
Paved road because it's smooth.
Why is Antarctica considered a desert despite being cold?
It's dry