Concrete Test

The terms cement and concrete refer to the same thing.

Adding more water to the mix makes the concrete stronger.

Concrete forms hold the concrete in the desired shape and location until it hardens.

Forms are coated with oil to prevent them from sticking to the concrete when removed.

Topsoil makes a good base underneath a concrete slab.

Water can be sprayed on concrete to slow drying after it is set up.

The faster concrete dries the stronger it will be.

What is an example of course aggregate?

• Cement

• Sand

• Gravel

• Water

What is an example of fine aggregate?

• Cement

• Sand

• Gravel

• Water

When mixing concrete in a 1-2-3 ratio what does the 1 refer to?

• Cement

• Fine Aggregate

• Course Aggregate

• Water