Simple and Complex Machines

Grade 5 Science: Simple and Complex Machines

Multiple Choice

A machine is a device used to:

• make work harder

• prevent work being done

• make work easier

• make work more complicated.

Multiple Choice

Which object is a wedge?

Multiple Choice

How many different types of simple machines are there?

• 1

• 4

• 6

• 3

Multiple Choice

Which of the following is NOT an example of an inclined plane?

• stairs

• elevator

• ramp

• slide

Multiple Choice

The steepness of an inclined plane is also called the....

• slope

• edge

• effort

• gradient

Multiple Choice

TRUE or FALSE: The greater the gradient of an inclined plane the lesser the effort needed to move the load.

• True

• False

Multiple Choice

What number correctly completes the sentence blow?

A wedge is a simple machine made up of ..... inclined planes.

• 1

• 3

• 2

• 4

Multiple Choice

A nail is an example of which simple machine?

• wheel and axel

• screw

• wedge

• inclined plane