Science 304B

What is a simple machine?

• A type of vehicle

• A part of a robot

• A tool that makes work easier

• A computer system

Which of these is a type of simple machine?

• Wheel

• Lever

• Pulley

• All of the above

What does a lever do?

• Helps us fly

• Pushes things far

• Lifts or moves loads easily

• Makes sounds

A seesaw is an example of a:

• Wedge

• Lever

• Pulley

• Screw

What is used to measure length?

• Weighing scale

• Thermometer

• Ruler

• Clock

Which tool measures mass?

• Ruler

• Balance scale

• Thermometer

• Stopwatch

A wedge is used to:

• Join things

• Measure size

• Cut or split things

• Cook food

What is an inclined plane?

• A flat surface raised at one end

• A rolling machine

• A swinging rope

• A balance tool

What is a screw used for?

• Cutting paper

• Mixing liquids

• Holding objects together

• Measuring weight

Which simple machine is found in a flagpole?

• Screw

• Pulley

• Wedge

• Lever