Aeolipile

High school (ages 12+)
Science & Technology

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/aeolipile

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 classification?Bladeless radial reaction steam turbine
2. What is the earliest description?Vitruvius, 'De architectura' (c. 30–20 BC)
3. How does the Aeolipile spin?Water inside the sphere boils into steam. The steam shoots out of angled nozzles, pushing the sphere in the opposite direction and making it spin.
4. Who first described the Aeolipile?Vitruvius, a Roman engineer, wrote about it between 30 and 20 BC. Later, Hero of Alexandria gave a detailed description.

Reaction Steam Turbine: A turbine where steam expands and does work by its reaction force as it exits nozzles.
Thermodynamics: The branch of physics dealing with heat and its relation to other forms of energy and work.
Torque: A twisting or turning force that causes rotation.