forces
energy
simple machines
100

What force pulls objects toward Earth?

what is gravity

100

Energy stored in food, fuel, or batteries is called…
 

What is chemical energy?

100

A seesaw is an example of which simple machine?
 

What is a lever?

200

Force slows things down when they rub together.
 

what is friction

200

Energy that comes from moving objects is…

What is kinetic energy

200

A ramp is another name for which simple machine?
 

What is an inclined plane?

300

A push or pull on an object is called a…
 

what is a force

300

The energy an object has because of its height above the ground is…

What is gravitational potential energy?

300

This simple machine uses grooved wheels and a rope.
 

What is a pulley?

400

The force that keeps objects moving in a straight line unless acted on is part of which law?
 

what is Newton’s First Law

400

Energy cannot be created or destroyed. What is this rule called?
 

What is the Law of Conservation of Energy?

400

A screw is actually a wrapped…
 

What is an inclined plane?

500

 What tool measures force in newtons?

what is a spring scale (or force meter)

500

Name one type of renewable energy source.

What is solar/wind/hydro/geothermal energy?

500

What two simple machines make up scissors?

What are levers and wedges?