Science

Simple machines have:

• a lot of parts

• One or two parts

• gears and pulleys

• levers

Choose the odd one out

• Scissors

• Ice tongs

• Bottle opener

• Computer

A pulley uses...

• wheel

• ball

• axle

• lift

• rope

A wedge has...

• One inclided plan

• Two inclined plans

• A screw

• Five inclined planes

Choose the odd one out

• Knife

• Screwdriver

• Pliers

• Gears

• Paint brush

Power tools need ___________ to work

• hand

• pulley

• electricity

• magic

_____ are used to slow down or stop movement.

• Gears

• Brakes

• Pulleys

• Wheel

What we use to lift heavy weights?

• Pulleys

• Axle

• Gears

• Wheel

Hand tools are operated by____

• hand

• feet

• electricity

• machines

Electricity is produced by the movement of ______

• protons

• electrons

• neutrons

• nucleus