Washing machine

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/washing-machine

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 Washing machine known for?Essential for maintaining hygiene and preventing disease transmission
2. What is the appliance classification?Domestic laundry appliance
3. What is the key technological leap?Electrification and automated control systems
4. How does a washing machine know how much water to use?Sensors detect how many clothes are inside and set the water level so the machine uses just enough water.
5. Why do washing machines spin so fast?The spin cycle spins at high speeds to pull water out of the clothes, making them dry faster and use less energy.

Surfactant: A substance in detergents that reduces the surface tension of water, aiding in dirt removal.
Centrifugal Force: An outward force experienced by objects moving in a circular path, used in spin cycles to remove water.
Agitation: The controlled movement of laundry within the drum to facilitate cleaning through friction and water flow.