Screws RI.2.7

Front

What happens as the screw turns?

Back

The levers lift the car up.

Front

What happens as a screw is rotated (turned)?

Back

The threads pull it down.

Front

What do we call the spiral ridges on a screw?

Back

Threads.

Front

What is the purpose of threads on a screw?

Back

To help the screw grip and hold materials together.

Front

What is a common use of screws in everyday life?

Back

To hold furniture together.

Front

How do screws help lift heavy objects?

Back

They use the turning motion to create force.

Front

What is the difference between screws with close threads and those with far threads?

Back

Close threads grip better, while far threads are easier to turn.

Front

What tool do we use to turn screws?

Back

A screwdriver.

Front

What happens if you turn a screw too much?

Back

It can strip the threads or break.

Front

Why are screws important in construction?

Back

They provide strong connections between materials.