Rusting

Rusting

by Tengku Ainiza binti Tengku Abdul Aziz

​Science Teacher

​SKBBBD

Multiple Choice

A layer of reddish brown on surface of a metal is called...

• red paint

• red dirt

• rust

• brown rust

Multiple Choice

Choose an object that can rust.

• Iron spoon

• Straw

• String

• Aluminium pot

Multiple Choice

Which of the following groups consist of rusty objects?

• Nail, key, board and marble

• Nail, marble. needle and screw

• Nail, key, needle and screw

• Marble. rubber band and clothes

Multiple Select

Two factors that cause rusting are the presence of ......... and ...........

• oxygen

• water

• hydrogen

• carbon dioxide

Multiple Select

Which of the following can rust?

Multiple Select

Choose the correct characteristics of rusty objects.

• Strong

• Stiff

• Rough surface

• Brittle

• Looks new

Multiple Choice

Only objects that are made from iron and steel will rust.

• TRUE

• FALSE

Multiple Select

The above object can rust.

• TRUE

• FALSE

Multiple Select

Why wooden bench do not rust?

• because it is made of plastic.

• because it is made of wood.

• because it is made of iron.

Multiple Select

• Can rust

• Does not rust

Multiple Choice

9.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.

Multiple Choice

6.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.

Multiple Choice

Which nail rusts first?

• Nail in test tube A

• Nail in test tube C

• Nail in test tube E

• Nail in test tube F

Multiple Choice

How do you prevent this food can from rusting?

• painting

• apply oil or grease

• coating with plastic

• plating with non rusty metal

Multiple Choice

An investigation was carried out by year 5 pupils to study the factors that cause rusting. What is the function of anhydrous calcium chloride in this investigation?

• To protect the iron nail

• To increase the rate of the rusting process

• To absorb the moisture in the air

• To supply oxygen in the test tube

Multiple Select

Which of the following methods can prevent rusting?

• applying grease on objects made from iron

• painting steel objects

• cover steel and iron objects with a damp cloth

• cover steel objects with non-rusty material