This type of simple machine has three classes and includes a fulcrum.
What is a lever?
100
A doorknob is an example of this simple machine.
What is a wheel and axle?
100
When you staple your paper you are using these two simple machines.
What are a lever and a wedge?
100
The push or pull on an object.
What is force?
100
Rube Goldberg had this job.
What is a cartoonist?
200
This simple machine is made up of an inclined plane wrapped around a cylinder.
What is a screw?
200
Tweezers are an example of this type of simple machine.
What is a lever?
200
A wheelbarrow would contain these two kinds of simple machines.
What are a lever and a wheel and axle?
200
Movement of an object.
What is motion?
200
Tell what a Rube Goldberg machine is.
What is a complicated machine that performs a simple task?
300
This simple machine can make loading a truck easier by decreasing the effort you would need to lift the load, but you will have to carry the load farther.
What is an inclined plane?
300
This type of simple machine is used to close the blinds.
What is a pulley?
300
Name two simple machines that can be found on a bicycle.
What are wheel and axle, gears, or lever?
300
The resistance of motion between two objects.
What is friction?
300
A fan blows a ball down a ramp onto a teeter-totter that launches a cat into the air. Identify the example of a lever in this machine.
What is the teeter-totter?
400
This simple machine is made up of 2 inclined planes and can be used to separate pieces of an object.
What is a wedge?
400
The lid of a jar is an example of this type of simple machine.
What is a screw?
400
Define compound machine.
What is a machine made up of two or more simple machines?
400
The tendency to resist a change in motion.
What is inertia?
400
A dog pull a rope that drops the axe that cuts the wood that falls in a wheelbarrow that rolls into a tree. Identify the wedge in this machine.
What is the axe?
500
This inclined plane is made up of a rope and a wheel on a fixed support.
What is a pulley?
500
A shark's tooth is an example of this type of simple machine.
What is a wedge?
500
Name the two simple machines that are found in scissors.
What are lever and wedge?
500
Trucks add sand to the roads when it snows for this reason.
What is to increase the friction?
500
A boot kicks the ball that hits the mousetrap that pops the balloon that scares the cat that runs out of the room releasing the rope that drops the hammer that hammers the nail. Identify the wedge in this machine.