G3 Exploring God's World

A force that works against motion is ______.

• friction

• insulator

• copper

• machine

In a wheel and axle, which part moves?

• axle

• wheel

What kind of playground equipment is a kind of lever?

• axle

• ramps

• seesaw

• wheel

Which part of lever holds and balances the weight?

• pulley

• fulcrum

• gears

• grooves

Water vapor is a kind of _____.

• solid

• gas

• liquid

• molecules

A seesaw is an example of a/an ___________.

• scissor

• bicycle

• car

• inclined plane

What are 3 examples of simple machines?

• bicycle, computer, car

• screw, pulley, car

• wheel and axle, pulley, inclined plane

• lever, car, bicycle

What are 3 examples of compound machines?

• computer, seesaw, ramp

• tractor, car, computer

• car, bicycle, pulley

• wheel and axle, seesaw, ramp

What are these?

• pulley

• gears

• wheel and axle

• inclined plane

What is this?

• pulley

• wheel and axle

• gears

• lever