Nuclear Reactor — Questions and answers
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What amazing thing happened on December 2, 1942, at the University of Chicago?
Choices
- The first self-sustaining nuclear chain reaction was started. ✓
- A new university building was opened.
- The fastest car in the world was invented.
- A giant new telescope was built.
Answer: The first self-sustaining nuclear chain reaction was started.
From page 1
What did scientists like Lise Meitner, Otto Hahn, and Fritz Strassmann discover?
Choices
- How to make electricity with magnets.
- The phenomenon of nuclear fission. ✓
- A new type of rocket fuel.
- How to grow giant plants.
Answer: The phenomenon of nuclear fission.
From page 3
Where was the famous physicist Enrico Fermi from?
Choices
- The United States
- Italy ✓
- Germany
- France
Answer: Italy
From page 4
What were the cadmium control rods used for in the Chicago Pile-1?
Choices
- To make the pile hotter.
- To absorb neutrons and control the reaction. ✓
- To create more uranium fuel.
- To make the pile light up.
Answer: To absorb neutrons and control the reaction.
From page 6
Besides making electricity, what is another way nuclear reactors are used?
Choices
- To make cars run faster.
- To propel naval vessels like submarines. ✓
- To heat water for swimming pools.
- To create decorative lights.
Answer: To propel naval vessels like submarines.
From page 9
What is one big challenge mentioned about nuclear reactors?
Choices
- They are too small to make much power.
- They can't be turned off once started.
- The safe disposal of long-lived radioactive waste. ✓
- They make too much noise.
Answer: The safe disposal of long-lived radioactive waste.
From page 10