How Do Fish Make Electricity?

True or False: Eels are a type of fish.

• True

• False

What do these fish use their electricity to do? Check ALL that apply.

• To communicate.

• To navigate (find their way around).

• To locate food.

• To shock their prey.

• Power their appliances.

Almost ___________ species of fish have special organs meant to generate and/or detect electricity.

• 350

• 215

• 25

• 500

The "electric fish" are divided up into 2 groups based on...

• the amount of electricity they produce.

• what they use the electricity to do.

• where they produce the electricity in their bodies.

• how often they produce electricity.

Each "electric organ" produces...

• more voltage than an AA-Battery.

• less voltage than an AA-Battery.

• about 1.5 Volts of electricity.

• about 2.5 Volts of electricity.

What are the disc-like cells called?

• Electrocytes

• Electrocells

• Electrolytes

• Shock Cells

What type of ions are the fish using in their special cells?

• Potassium & Sodium

• Sodium & Calcium

• Calcium & Potassium

• Magnesium & Calcium

The cells generate electricity by...

• making the different parts of the cells have opposite charges.

• making the different parts of the cells have the same charges.

Tags

NGSS.MS-PS2-3

The majority of "Electric fish" species are from the ___________ ____________ group.

• weakly electric

• strongly electric

True or False: Electric Eels only have to shock their prey one time in order to immobilize it.

• True

• False