Science Unit #2 - Progress Check #3

Based on the picture above, which item would you add to the car to allow it to be driven?

• bumper

• wheels

• a door

Why did the maker of the slide pictured above choose to use metal instead of wood?

• Metal is cold, and wood is hot.

• Metal is smooth, and wood is rough.

• Metal is solid, and wood is a liquid.

If you were planning to design a bridge, which of the materials shown above would you use?

• straw

• ice cube

• metal beam

Why did the maker of the swing pictured above choose to use rope instead of rock to hold the swing?

• Rope is flexible, rock is stiff.

• Rope is smooth, and rock is rough.

• Rope is solid, and rock is liquid.

A student wanted to build a tower using pieces of cardboard. What else would be most helpful to build the tower?

• water

• tape

• paint