Battery Basics and Functionality

What is the main purpose of a battery?

• To store heat

• To make noise

• To provide power

• To hold water

Which of these is a part of a standard battery?

• A light bulb

• A positive pole

• A remote control

• A pencil

How does electricity move in a battery to power a device?

• From the positive pole to the negative pole

• From the negative pole to the positive pole through a circuit

• By staying still inside the battery

• By changing colors

What keeps the positive and negative parts of a battery from touching each other inside?

• A metal case

• A rubber-like barrier

• A brass pin

• A gel substance