Simple & Compound Machines

Vocabulary

100

What is a push or pull on an object?
A. Work
B. Force
C. Machine
D. Energy

B. Force

200

What is work in science?
A. Homework
B. Energy only
C. When force moves an object a distance
D. Lifting only

C. When force moves an object a distance

300

What is a simple machine?
A. A large machine
B. A machine that uses electricity
C. A machine that makes work easier
D. A broken machine

C. A machine that makes work easier

400

What is a compound machine?
A. A machine with one part
B. A machine made of two or more simple machines
C. A small machine
D. A machine that does not move

B. A machine made of two or more simple machines

500

What is mechanical advantage?
A. Speed of a machine
B. Size of a machine
C. How much a machine reduces effort
D. Weight of a machine

C. How much a machine reduces effort

Simple Machines

100

Which simple machine is a ramp?
A. Lever
B. Inclined plane
C. Pulley
D. Screw

B. Inclined plane

200

Which machine uses a rope and a wheel?
A. Lever
B. Wedge
C. Pulley
D. Screw

C. Pulley

300

Which machine is a bar that moves on a fulcrum?
A. Screw
B. Lever
C. Pulley
D. Wheel

B. Lever

400

Which machine is used to cut or split objects?
A. Pulley
B. Wheel and axle
C. Wedge
D. Lever

C. Wedge

500

Which machine is an inclined plane wrapped around a rod?
A. Lever
B. Screw
C. Pulley
D. Wedge

B. Screw

Identify the Machine

100

A knife is what type of simple machine?
A. Lever
B. Wedge
C. Pulley
D. Screw

B. Wedge

200

A doorknob is what type of machine?
A. Pulley
B. Lever
C. Wheel and axle
D. Wedge

C. Wheel and axle

300

A flagpole uses what type of machine?
A. Lever
B. Screw
C. Pulley
D. Inclined plane

C. Pulley

400

A seesaw is what type of machine?
A. Lever
B. Pulley
C. Wedge
D. Screw

A. Lever

500

A staircase is what type of machine?
A. Wedge
B. Pulley
C. Inclined plane
D. Wheel and axle

C. Inclined plane

Pulleys & levers

100

What does a pulley help you do?
A. Cut objects
B. Lift objects more easily
C. Hold things together
D. Roll objects

B. Lift objects more easily

200

What does a fixed pulley do?
 A. Reduces effort
B. Changes direction of force
 C. Cuts objects
 D. Stops movement 

B. Changes direction of force 

300

What does a movable pulley do?
A. Changes color
B. Increases effort
C. Reduces effort needed
D. Holds objects

C. Reduces effort needed

400

What is the fixed point on a lever called?
A. Load
B. Effort
C. Fulcrum
D. Force

C. Fulcrum

500

How many types of levers are there?
A. One
B. Two
C. Three
D. Fou

C. Three

Challenge

100

Is a bicycle a simple or compound machine?
A. Simple
B. Compound
C. Neither
D. Both

B. Compound

200

Which simple machines are in scissors?
A. Pulley and screw
B. Lever and wedge
C. Wheel and axle only
D. Inclined plane only

B. Lever and wedge

300

Which machine helps you move objects using rolling motion?
A. Lever
B. Wheel and axle
C. Wedge
D. Screw

B. Wheel and axle

400

Why do we use an inclined plane?
A. To increase force
B. To reduce distance
C. To reduce force needed
D. To stop movement

C. To reduce force needed

500

Which simple machines are in a flagpole system?
A. Wedge and screw
B. Lever and wedge
C. Pulley and wheel
D. Screw and inclined plane

C. Pulley and wheel