Is an inclined plane a compound machine or a simple machine?
Simple
A device that helps make work easier is called a....
machine
The part of a lever that holds and balances weight
Fulcrum
This is the pull of the earth to itself
Gravity
How many poles does a magnet have?
2
Do opposite sides of a magnet repel or attract each other?
Attract
These are used in the design of bridges because the curved design is able to spread out weight
Arches
A seesaw is and example of what kind of simple machine?
Lever
Acts like the "roots" of a building and keeps it strong
Foundation
This is a fancy name for a type of building
Structure
These are often used in building designs because they are not easily bent under the force of weight
Columns
To move in a circle around an object
Revolve
This type of structure has a wide base that makes it strong
Pyramid