I WONDER - Who Invented Concrete?

The Romans were able to construct impressive buildings due to their invention of concrete, a mixture of volcanic ash, lime, and seawater. This strong material has allowed many Roman structures to remain in excellent condition. Without concrete, iconic buildings like the Pantheon and the Colosseum would not have been possible.

What was the key innovation that allowed Romans to build impressive structures?

• The use of marble

• The invention of concrete

• Advanced metal tools

• Sophisticated architectural designs

What materials were used to make Roman concrete?

• Clay, lime, and freshwater

• Sand, lime, and water

• Volcanic ash, lime, and seawater

• Gravel, lime, and rainwater

Why is Roman concrete considered so durable?

• It was baked at high temperatures

• It was mixed with volcanic ash

• It was coated with a protective layer

• It was reinforced with steel

Which of the following structures was built using Roman concrete?

• The Eiffel Tower

• The Taj Mahal

• The Great Wall of China

• The Pantheon

What would have been impossible for the Romans to build without concrete?

• The Sphinx

• The Parthenon

• The Colosseum

• The Roman aqueducts