Karl Popper

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/karl-popper

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 Karl Popper born?July 28, 1902
2. Where was Karl Popper born?Vienna, Austria
3. When did Karl Popper die?September 17, 1994 (age 92)
4. Who was Karl Popper?Karl Popper was a smart thinker from Vienna who loved science and politics. He taught people how to test ideas and keep societies open and fair.
5. What does "falsifiability" mean?Falsifiability means a theory can be proven wrong if we find a counterexample. Only theories that can be tested this way are considered scientific.

Critical Rationalism: A philosophy emphasizing that knowledge grows through criticism and the refutation of errors.
Falsification: The methodological principle that a scientific theory must be capable of being proven false.
Open Society: A society characterized by freedom of thought, open debate, and the absence of dogmatic claims.
Historicism: The belief that history unfolds according to discoverable, inevitable laws.