Show:
General
Lever
Inclined Plane
Pulley/Wedge
Wheel and Axle/Screw
100

This is a force that changes the motion of an object.

What is work?

100

The object being lifted is the __________.

What is load?

100
Another name for an inclined plane is a ____________.
What is ramp?
100
Here at school, you could see a pulley on a ______________.
What is flagpole?
100
The wheel and axle is made up of two parts: the wheel that turns on a post, which is called the __________.
What is axle?
200

There are _______ simple machines. 

What is 6?

200
The push or pull that turns a lever is the ____________.
What is force?
200
If you use an inclined plane, the distance is longer, but it takes less _______________.
What is effort?
200

The pulley uses a ____________ and rope to lift a load.

What is a wheel?

200
You create a screw when you wrap on inclined plane into a _______________ around a pole.
What is spiral?
300

This simple machine connects things together, tighten/closes an object that can be untightened, and drills a hole into an object

What is a screw?

300
A lever is a board or bar that moves on a _______________.
What is fulcrum?
300
An inclined plane is a simple machine that is a flat surface that is ___________ at one end.
What is higher?
300

A double inclined plane that comes to a point.

What is a wedge?

300

A _________________ is made by wrapping an inclined plane around a cylinder. 

What is a screw?

400

The fulcrum, load, and effort are the three parts of a _______________. 

What is a lever?

400
The point where the lever turns is the _____________.
What is fulcrum?
400
The inclined plane is a simple machine that is a ___________________ that is higher at one end.
What is flat surface?
400

A flagpole, a crane, and a curtain pull are all examples of a _______________________.

What is a pulley system?

400
In a wheel and axle, the wheel makes a large circular movement, and the axle makes a ____________ movement.
What is smaller?
500

A _____________     _____________ is made up of more than one simple machine.

What is a compound machine?

500
A lever can let you change direction of a force or it can change the amount of ______________ needed.
What is force?
500
Scientists think inclined planes may have been used to build the _______________ because the blocks were too heavy to move straight up.
What are pyramids?
500
A _________________ pulley makes work easier than a one-wheel pulley.
What is two-wheel?
500
Just like an inclined plane, a screw moves a longer distance, but less ____________ is needed.
What is effort?