What is material that is burned to release energy?
Fuel
What is anything pulled by a magnet?
Magnetic
What is more efficient because it uses more than one machine to make work easier?
Compound machine
Weight
What is a powerful magnet using electric energy and the force of a magnet?
Electromagnet
What is the path on which electricity flows?
Circuit
What means to move in a circle around an object?
Revolve
What is a device that helps make work easier?
Machine
What structure is wide at the bottom to give it strength?
Pyramid
What word means "to push apart"?
Repel
What is the part of a lever that holds and balances weight?
Fulcrum
Gravity
What is a simple machine that makes it easier to move large objects with less effort?
Inclined plane
What is the beginning or base of any structure that acts like "roots" to keep the building strong?
Foundation
What quality has two opposite sides, or poles, that work differently?
Polarity
What is a type of building called?
Structure
What is the force that works against motion?
Friction
What is a simple machine that has several wheels with teeth?
Gears
What is often used in building designs because they are not easily bent?
Column
What word means "to pull together"?
Attract
What means that an object remains at rest or in motion unless acted upon by force?
Inertia
What is a push or pull on an object to move or change it?
Force
What is a simple machine that uses a wheel and axle as well as a cord to lift an object?
Pulley
What curved design is able to spread out weight?
Arch
What substance did God create with a magnetic force?
Magnetite