Show:
Force
Force
Motion
Simple Machines
Gravity
100
What force do you need to move a wagon?
Pull
100

The force is needed to move a wagon forward.

What is a pull?

100
A ball is lying on the floor. When will the ball move? A. It will never move B. When a force acts on it C. When gravity pulls on it D. When the lights are turned on
B. When a force acts on it
100

This sloped simple machine makes it easier to lift something.

What is an inclined plane?

100
You throw a ball up in the air, what affect will gravity have on the ball?
The ball will be pulled down towards earth
200

A student released a marble at the top of a ramp, and it rolled straight into another marble at the bottom of the ramp. In which direction will the marble at the bottom move?

Straight forward, forward and straight

200
A student observes a car rolling down a ramp. What force caused the car to roll down the ramp?
Gravity
200
Name an action that is an example of doing work being done by changing the position and motion of an object?
Opening a door, closing a door, moving a book over your head, etc.
200

This simple machine, made of 2 inclined planes, is used to push objects apart.

What is a wedge?

200
What is gravity?
A force that pulls objects towards the center of the Earth
300
Give an example of a force causing motion
Pulling a cart, kicking a ball, pushing a friend on a swing, etc.
300
What force causes rain to all from the sky?
Gravity
300
A student rolled a ball down a ramp. What could the student do to increase the force on the ball to make it roll a farther distance?
Make the ramp higher at the top
300

This simple machine has a rod balanced on a fulcrum.

What is a lever?

300
What object would be most difficult to lift against gravity? A. A ball B. A marble C. A person D. A car
A car
400
Define friction
A force that occurs when two objects rub together
400
Name four types of forces
Push, Pull, Gravity, and Friction
400
If someone moves a box, what change do they make to the box?
Its position
400
Why do people use simple machines?
To make the work easier for us
400
How is your weight affected on the moon?
You would weight less on the moon because there is less gravity
500
When a batter hits a baseball how does the force on the ball change?
The ball will change direction
500
Ms. Bunnell opened the door for her students to come into the classroom. Identify the object, the force, and the motion that happened.
The door was the object, the force was a pull, and the motion was that the door opened.
500

A paper clip would do this to a magnet.

What is pull it?

500
What simple machine could you use to lift a piano to a 3rd story window?
A lever or a pulley
500

A jump is this force.

What is a push?