Vacuum cleaner

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/vacuum-cleaner

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 first patented powered vacuum?Hubert Cecil Booth patented his 'Puffing Billy' vacuum cleaner in 1901
2. What is the key scientific principle?Creation of a pressure differential to induce airflow and entrain particles
3. How does a vacuum cleaner suck up dust?The motor spins a fan that pushes air out of the machine, creating a low‑pressure area. Air from outside rushes in, carrying dust into the vacuum.
4. Who invented the first vacuum cleaner?The first big vacuum, called "Puffing Billy," was invented by Hubert Cecil Booth in 1901. Later, James Murray Spangler made a smaller electric one in 1907 that became the Hoover.

Partial Vacuum: A space where the pressure is significantly lower than atmospheric pressure, but not a complete vacuum.
Centrifugal Force: An apparent outward force that acts on an object moving in a circular path, used in cyclone filtration.
Particulate Matter: Microscopic solid or liquid particles suspended in the air, such as dust, pollen, and smoke.