Battery — Questions and answers
Read the full story
What strange thing did Luigi Galvani see when he was working with frogs?
Choices
- The frogs started singing a song.
- The dead frog's legs twitched when touched by different metals or during a storm. ✓
- The frogs suddenly turned into static electricity machines.
- The frogs started glowing in the dark.
Answer: The dead frog's legs twitched when touched by different metals or during a storm.
From page 3
What did Alessandro Volta think was really making the frog's legs twitch, instead of 'animal electricity'?
Choices
- He thought the frog was still alive and jumping.
- He believed the electricity came from the different metals touching each other. ✓
- He thought the lightning was making all the electricity.
- He believed the frog was magic and could make its own electricity.
Answer: He believed the electricity came from the different metals touching each other.
From page 4
In the Voltaic Pile, what makes the electricity flow?
Choices
- The metals getting very hot.
- The chemical reactions happening where the metals and liquid meet. ✓
- The hydrogen gas exploding.
- The zinc ions dissolving the copper.
Answer: The chemical reactions happening where the metals and liquid meet.
From page 7
When Napoleon saw the Voltaic Pile, what did he do?
Choices
- He asked Volta to make him a new hat.
- He was scared of it and ran away.
- He recognized its importance and gave Volta a medal and a pension. ✓
- He told Volta to hide it from everyone else.
Answer: He recognized its importance and gave Volta a medal and a pension.
From page 8
What new scientific discoveries were made possible because of the Voltaic Pile?
Choices
- They could make frogs jump higher than ever before.
- They could isolate new elements like sodium and potassium. ✓
- They could make plants grow much faster.
- They could fly to the moon using electricity.
Answer: They could isolate new elements like sodium and potassium.
From page 9