Science Year 5: Rusting

Which of the following groups consists of rusty objects?

• nail, key, board and marble

• nail, marble. needle and screw

• nail, key, needle and screw

• Marble, rubber band and clothes

The diagram shows a bicycle.

Which parts will get rusty if they are exposed to the water and air?

• J, L and M

• K and M

• L and M

• J and L

The diagram shows an investigation about rusting.

R - The iron nail will rust

S -The iron nail not rust

T - The iron nail will float on the water

U- The iron nail will change the colour

Which of the following will occur after a few days?

• R and T

• S and T

• R and U

• S and U

In which container the nail will rust the fastest?

• A

• B

• C

• D

The diagram shows an object.

Which of the following objects can be

grouped in the same group as the object

in the picture?

• Slippers

• Rattan basket

• Thumb tack

• Garbage plastic

The table shows the results of an investigation

by a group of Year 5 Zircon pupils.

What is the conclusion that can be made

from the results of this investigation?

• Rusty objects are made of iron.

• Non-rusty objects are made of iron.

• Rusty objects are brownish colour.

• Rusty objects are made of plants.

An experiment has been carried out by a group of pupils. The results of the

experiment are recorded in Table 2.

What can be concluded from this experiment?

• Nail X did not rust because exposed to the air and water.

• Nail Y rusts because exposed to the air and water

• Nail X did not rust because exposed to the oil layer.

• Nail Z did not rust because exposed to water.

Objects that rust are made of

• aluminium

• gold

• iron

• plastic

A reddish-brown layer on the surface of an iron object is called

• red paint

• red dirt

• rust

• brown rust

Choose an object that can rust.

• razor blade

• straw

• dress

• aluminium pot