Rusting and corrosion

Which of the following items will rust?

• A plastic bottle

• A gold ring

• An iron bridge

• A cardboard box

How much does corrosion cost every year?

• Hundreds of dollars

• Thousands of dollars

• Millions of dollars

• Billions of dollars

Do all metals rust?

• Yes

• No

Do most metals corrode?

• Yes

• No

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

• True

• False

What is the chemical name for rust?

• Magnesium sulphate

• Iron oxide

• Iron sulphate

• Iron dioxide

Tags

NGSS.MS-PS1-5

Fill in the blanks;

Iron + __________ => Iron oxide

• carbon dixoide

• water

• oxygen

• rust

Why is rusting a problem?

• It looks ugly, no one likes orange

• It makes iron really bendy

• It makes iron changes its properties

Which of the following is not a rust prevention technique?

• Hydrating

• Electroplating

• Painting

• Galvanising

The inside of a steel food can is electroplated with tin to prevent rusting, true or false?

• True

• False