Saw

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/saw

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 cross-disciplinary applications?Essential in construction, metallurgy, medicine (orthopedics), scientific research (microtomy), and more
2. How did people make the first saws?Early people used sharp natural edges like stone or shells, then made stone or bone saws in the Neolithic, and later metal saws in the Bronze Age.
3. Why do saw teeth have different shapes?The shape and spacing of the teeth help the saw cut smoothly; sharp teeth and the right angle let the blade bite into wood or metal without slipping.

Kerf: The width of the cut made by a saw blade, determined by the blade's thickness and tooth set.
Rake Angle: The angle of the cutting face of a saw tooth relative to a line perpendicular to the blade's surface.
Teeth Per Inch (TPI): A measurement indicating the number of teeth on a saw blade within one inch, influencing cut speed and finish.