Vocabulary
Gravity and Friction
Inclined Plane
Lever
Wheel and Axle
100
The strength to move an object or change its direction.
What is force?
100
People fall to the ground after jumping because of this.
What is gravity?
100
This simple machine is part of a slide.
What is an inclined plane?
100
This simple machine is seen in a seesaw.
What is a lever?
100
This simple machine is found on a car, bus, and bike.
What is a wheel and axle?
200
The pull of objects to the Earth.
What is gravity?
200
This forces objects to slow down or come to a stop.
What is friction?
200
A slope or slanted surface.
What is an inclined plane?
200
A lever has a bar and a ...
What is a fulcrum?
200
This object is the long bar that connects two wheels together.
What is an axle?
300
An opposing force. Or keeps a force from happening.
What is friction?
300
if you throw a ball horizontally what would happen? fall to the ground, go into space, not move.
What is fall to the ground?
300
This type of inclined plane is located outside of our class.
What is a ramp
300
This type of lever is used to cut items in our class.
What are scissors?
300
This is where the wheel and axle meet.
What is the pivot point?
400
This scientist was best known for studying gravity.
Who is Sir Isaac Newton?
400
Which item is not an inclined plane? ramp, slide, merry-go-round, pyramid.
What is a merry-go-round
400
This type of lever can be constructed to launch items.
What is a catapult?
400
What is not a wheel and axle? a bus, a bike, a screw driver, or a fan.
What is a screw driver?
500
Helps with action. Decreases resistance to a force.
What is a simple machine?
500
Which item would increase friction? a smooth flat surface or a rough uneven surface.
What is a rough uneven surface?
500
Which item is an inclined plane? a car, stairs, a screw, a zipper.
What are stairs?
500
Which item is not a lever? a hammer, a shovel, a seesaw, or roller skates.
What are roller skates?
500
Which item is a wheel and axle? a wheelbarrow, scissors, a ramp, or a ax?
What is a wheelbarrow?