FoundationsFoundations

A foundation is the base that supports a building and holds it firmly to the ground. The bigger the

building, the stronger the foundation needs to be.

A foundation is the base that supports a building and holds it firmly to the ground. The bigger the

building, the stronger the foundation needs to be.

What materials are used to build foundations?

The leaning Tower of

Pisa

The leaning Tower of

Pisa•They began building the tower in 1173•Height of the tower is 60 metres.

What shapes do you see?

•Why might the tower lean?•How might you fix this?•Why is it important to prevent leaning?•You are the engineers designing a new tower for the town of Pisa, what will you do to prevent your new tower from leaning