Welcome to the Science Quiz 141

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

What is the main scientific principle behind a potato clock?

A) Solar energy

B) Chemical reaction between metals and the potato

C) The potato acts as a magnet

D) The potato absorbs sound waves

Correct! Wrong!

What is the typical voltage produced by a potato clock?

A) 0.5 to 1 volt

B) 1 to 3 volts

C) 3 to 5 volts

D) 5 to 10 volts

Correct! Wrong!

What happens when copper and zinc electrodes are placed in the potato?

A) They create a magnetic field

B) A chemical reaction takes place, producing a small electrical current

C) The potato begins to heat up

D) The potato turns into a battery

Correct! Wrong!

Why is a potato used in the potato clock experiment?

A) It produces a lot of energy

B) It acts as an electrolyte

C) It is the only vegetable that can conduct electricity

D) It contains special chemicals

Correct! Wrong!

What is the primary function of a potato clock?

A) To make the potato grow faster

B) To generate electricity to power a clock

C) To store energy for later use

D) To act as a light source

Correct! Wrong!

Can a potato clock power any electrical device other than a clock?

A) Yes, it can power small LED lights

B) Yes, it can power any electronic device

C) No, it can only power a clock

D) No, it cannot power any device

Correct! Wrong!

What two metals are typically used in a potato clock setup?

A) Copper and zinc

B) Copper and iron

C) Zinc and aluminum

D) Silver and ironB) Copper and iron

Correct! Wrong!

What other common items can be used instead of a potato to create a similar clock?

A) Apple

B) Banana

C) Lemon

D) Carrot

Correct! Wrong!

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Welcome to the Science Quiz 141

What is the main scientific principle behind a potato clock?

What is the typical voltage produced by a potato clock?

What happens when copper and zinc electrodes are placed in the potato?

Why is a potato used in the potato clock experiment?

What is the primary function of a potato clock?

Can a potato clock power any electrical device other than a clock?

What two metals are typically used in a potato clock setup?

What other common items can be used instead of a potato to create a similar clock?

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