Concrete

Name the 3 main ingredients in concrete

• Water

• Cement

• Aggregate

• Iron

• Oxygen

Which industry is the biggest user of concrete?

• Construction

• Fashion

• Hospitality

• Agriculture

Select the commonly used aggregates added to cement and water to make concrete

• Sand

• Gravel

• Oxygen bubbles

• Cement

• Wood chips

What is the purpose of sand in concrete?

• It's a cheap ingredient to bulk it up

• To make it flow better

• To harden it

• It reacts with the cement to harden the mixture

What is the purpose of WATER in concrete?

• To strengthen it

• To make it flow better

• To bulk it out

• It reacts with the cement to harden the mixture

What is the purpose of CEMENT in concrete?

• To strengthen it

• To make it flow better

• To bulk it out

• It reacts with the water to harden the mixture

What is the purpose of an AGGREGATE in concrete?

• To strengthen it

• To make it flow better

• To bulk it out

• It reacts with the water to harden the mixture

Tick the aggregates

• Water

• Sand

• Gravel

• Cement

Sand and gravel are often used in concrete as an...

• Aggregate

• Anesthetic

• Antibiotic

• Adhesive

What is the environmental impact of producing cement?

• High

• Low

• Moderate

• None