Knife

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/knife

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 earliest evidence?Lithic tools dating back approximately 2.6 million years
2. What is the key material evolution?Stone → Bronze → Iron → Steel → Advanced Alloys and Ceramics
3. What is a knife and why do people use it?A knife is a sharp tool that helps us cut, slice, and shape things. People use it for cooking, building, and many everyday tasks.
4. How did knives change from the time our ancestors made them?Early humans made knives from stone, then later used metal like copper, bronze, iron, and steel. Steel knives are stronger and sharper.

Lithic Technology: The creation and use of tools made from stone.
Metallurgy: The science and technology of metals and their alloys.
Tempering: A heat treatment process to increase the toughness of hardened steel.
Ergonomics: The design of tools and systems to fit the human body and maximize efficiency.