Screw

High school (ages 12+)
Making & Design

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/screw

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the mechanical principle?Acts as a rotating inclined plane, providing mechanical advantage
2. What is the key historical development?Invention of screw-cutting lathes enabled mass production and standardization
3. What is a screw and how does it work?A screw is a fastener that looks like a twisted cylinder. When you turn it, the threads act like a ramp, pulling the screw deeper into the material with a small turning force.
4. Why are screws important in everyday machines?Screws help build everything from cars to boats. They can lift heavy loads, hold parts together, and even make propellers that push ships and planes forward.

Mechanical Advantage: The factor by which a mechanism multiplies the force or torque applied to it.
Torque: A twisting or turning force that tends to cause rotation.
Thread Pitch: The distance between adjacent threads on a screw, indicating its fineness or coarseness.