Otto Hahn

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/otto-hahn

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 Otto Hahn born?March 8, 1879, in Frankfurt, Germany
2. When did Otto Hahn die?July 28, 1968, in Göttingen, Germany (age 89)
3. Who was Otto Hahn?Otto Hahn was a German scientist who discovered how atoms can split, a discovery that helped create nuclear power.
4. What is nuclear fission?Nuclear fission is when the core of an atom splits into smaller parts, releasing a lot of energy.

Radiochemistry: A branch of chemistry concerned with radioactive materials, their properties, and reactions.
Nuclear Fission: A nuclear reaction in which a heavy nucleus splits into two or more lighter nuclei, releasing substantial energy.
Isotopes: Atoms of the same chemical element that have identical numbers of protons but different numbers of neutrons in their nuclei.
Atomic Recoil: The backward movement of an atom after it emits a particle or photon.