Building Materials

--- is a metal made by fusing together two or more different metals .

• compression

• alloy

• concrete

-- is used on the spring to give it a greater force when it is released.

• alloy

• compression

• concrete

--------------   hard, strong building material made by mixing sand, very small stones (gravel), cement, and water.

• concrete

• masonry

• alloy

You need to use something --------------------  or you’ll risk burning the entire room!

• Non-combustible

• masonry

• reinforced concrete

We’ll need to wait for the ----------------- to increase in the concrete as it dries.

• Stiffness  

• masonry

• compression

Why are steel bars placed inside concrete?

• Concrete needs to be reinforced

• Concrete needs to have a way to rise vertically when construction is underway

• . Concrete is best used with steel bars due to their texture.

How is mortar used in masonry?

• It is used to stick concrete to the ground

• It is used to make concrete.

• It is used to separate one unit from another.

Which of the following statements are true of iron and steel?

• They are easier to buy than concrete.

• They are resistant to fire.

• They turn blue when burned.

Non-homogeneous materials can be used __________.

• to burn iron

• to burn copper

• to make concrete

• to reinforce concrete

The synonym for component is ------------------

• compression

• tension

• element