Rusting and corrosion

Which of the following items will rust?

• A plastic bottle

• A gold ring

• An iron bridge

• A cardboard box

What is the most commonly used metal in the world?

How much does rusting cost every year?

• Hundreds of thousands of pounds

• Thousands of pounds

• Millions of pounds

• Billions of pounds

Do all metals rust?

• Yes

• No

Do all metals corrode?

• Yes

• No

True or False, rusting is the specific term used to describe the corrosion of iron.

• True

• False

The picture shows an investigation into the conditions required for rusting. What is the purpose of the calcium chloride in test tube C?

• To absorb moisture

• To give out carbon dioxide

• To absorb oxygen

• To give out oxygen

Tags

NGSS.MS-PS1-2

The picture shows an investigation into the conditions required for rusting. What is the purpose of the layer of oil in test tube B?

• To absorb moisture

• To prevent oxygen getting into the water

• To prevent carbon dioxide from being released

• To keep the water in the test tube

Tags

NGSS.MS-PS1-2

Look at the picture. From what you see, choose which things are needed for rusting to occur.

• water only

• oxygen only

• oil and water

• water and oxygen

Tags

NGSS.MS-PS1-2

What is the chemical name for rust?

• Magnesium sulphate

• Iron oxide

• Iron sulphate

• Iron dioxide

Tags

NGSS.MS-PS1-5