How Batteries Store Power — Questions and answers
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What did Volta believe was the secret to the electricity, according to Tara?
Choices
- A. Magical 'animal electricity'.
- B. The frog's special powers.
- C. A natural law at play in the metals. ✓
- D. The weather conditions during the experiment.
Answer: C. A natural law at play in the metals.
From page 5
What three things did Alessandro Volta stack repeatedly to make his 'Voltaic Pile'?
Choices
- A. A disc of gold, dry paper, and a disc of silver.
- B. A disc of copper, cardboard soaked in salt water, and a disc of zinc. ✓
- C. A dead frog, a wire, and a piece of wood.
- D. A lamp, a flashlight, and a coin.
Answer: B. A disc of copper, cardboard soaked in salt water, and a disc of zinc.
From page 6
What did Tara say Alessandro Volta had invented?
Choices
- A. The first flashlight.
- B. The first telegraph message.
- C. The first battery. ✓
- D. The first lightning bolt.
Answer: C. The first battery.
From page 7
What did Devi ask Tara if they could use from the potted plant?
Choices
- A. The leaves for decoration.
- B. The salty water. ✓
- C. The soil to make a pile.
- D. The pot to stack coins in.
Answer: B. The salty water.
From page 8
What happened when Devi touched the wires from the tiny LED light to their coin stack?
Choices
- A. Nothing happened at all.
- B. A loud hum filled the room.
- C. A tiny, faint red glow appeared. ✓
- D. The giant lamp turned on.
Answer: C. A tiny, faint red glow appeared.
From page 9