C. F. Powell

High school (ages 12+)
History & Culture

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/c-f-powell

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. When was C. F. Powell born?December 5, 1903
2. Where was C. F. Powell born?United Kingdom
3. How big is C. F. Powell?Cosmic ray physics and particle detection
4. What is C. F. Powell known for?Development and application of the photographic emulsion technique for particle physics
5. Who discovered C. F. Powell?The pion (pi-meson), a particle mediating the strong nuclear force
6. What did C. F. Powell discover in 1947?He discovered the pion, a particle that helps explain the strong nuclear force.

Photographic Emulsion Technique: A method using special photographic plates to record and analyze the tracks of charged subatomic particles.
Pion (Pi-Meson): A type of subatomic particle that plays a crucial role in the strong nuclear force, binding atomic nuclei.
Cosmic Rays: High-energy particles originating from outer space that bombard Earth's atmosphere.
Strong Nuclear Force: The fundamental force responsible for holding the nucleus of an atom together.