Electricity and Batteries

Electricity and Batteries

Multiple Choice

What is the name of this device?

• electric circuit

• generator

• electromagnet

• electric motor

Quick Atomic Refresher

Atoms have + protons and neutral neutrons in their nucleus (center)

Negatively charged electrons are found outside the nucleus and can move between atoms.

Multiple Choice

Electrons are actually parts of _____________.

• atoms

• protons

• electrical wires

Multiple Choice

Electrons are located where in atoms?

• in the middle

• shells outside of the nucleus

• there are no electrons in atoms

Electricity is the flow of electrons from one atom to another

Multiple Choice

Electricity is the flow of _________________.

• neurons

• electrons

• power

Multiple Choice

What is a circuit?

• A constant flow of electricity 
• A path that a current can flow along

Multiple Choice

When all parts of the circuit are connected it is a ______ circuit. 

• open
• closed

Multiple Choice

An incomplete circuit is shown.

To complete the circuit, a wire should be placed from —

• Point D to Point C

• Point B to Point C

• Point A to Point D

• Point B to Point D

Multiple Choice

What do batteries do?

• Store electricity

• Store lightning

• Explode

Multiple Choice

What is the name of the negative contact of a battery?

• Anode
• Diode
• Cathode
• Monode

Multiple Choice

When a battery is being used _____ flow from the Anode to the Cathode

• Protons

• Neutrons

• Electrons

• Atoms

Multiple Choice

What is the positive contact of the battery called?

• Anode
• Diode 
• Cathode
• Monode

Multiple Choice

What is the barrier between the Anode and Cathode called?

• Electron

• Election

• Electrolyte

• Chuck Norris

Homemade batteries: You need

• Metal for the anode (zinc)

• Metal for the cathode (copper)

• Electrolyte solution such as a potato, lemon, or paper towel soaked in vinegar

• Wire to complete the circuit

Multiple Select

Check all the parts you need to make a potato battery

• Potato

• Battery

• Wire

• Copper (like a penny)

• Zinc (like a galvanized nail)

Open Ended

This is the last question: What is a situation when a potato or fruit battery might actually be useful?