Electric Eels and Bio-Batteries Quiz

What is the primary use of electricity for electric eels?

• To help them swim faster

• To navigate, protect themselves, and find prey

• To communicate with other eels

• To generate heat in cold water

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How do electric eels generate electricity?

• They store electricity in their bones

• They have special cells called electrocytes that act like batteries

• They get electricity from the food they eat

• They absorb energy from the sun

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Why do electric eels send out weak electric signals?

• To paralyze their prey

• To protect themselves from predators

• To "see" their surroundings in dark water

• To charge up their electrocytes

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How many volts can an electric eel generate at once?

• 100 volts

• 300 volts

• 600 volts

• 1,000 volts

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What are bio-batteries designed to do?

• Generate electricity using food and water

• Power medical devices like pacemakers without needing frequent replacements

• Create electricity for household appliances

• Power electric cars

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What is one advantage of bio-batteries compared to normal batteries?

• They are more powerful

• They are made from metal

• They do not produce toxins and recharge using sugar and sunlight

• They last forever without needing any energy source

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How do electric eels use their strong electric shock?

• To help them swim faster

• To stun or paralyze their prey

• To communicate with other eels

• To power underwater devices

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What percentage of an electric eel's body is made up of electric organs?

• 50%

• 60%

• 70%

• 80%

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What discovery about electric eels are scientists using to create bio-batteries?

• The way eels swim

• The way electrocytes stack up like batteries

• The way eels find food

• The size of electric eels

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What is a pacemaker?

• A device that helps a person breathe

• A device that helps the heart beat at a normal rhythm

• A machine that shocks the brain

• A tool that helps people walk faster

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