The Magic of Batteries

Many things use batteries to work. For example: calculator, torch (flash light), clock, watch, cell phone, remote control, radio, toys, camera, door bell, small TV, telephone, laptop, etc.

The first battery was made in 1800 by Alesandro Volta (Italia).

Batteries have different shapes and size: big or small, thick or thin, rectangular or cylindrical batteries.

These are the different shapes of batteries:

Cylindrical Battery

Cylindrical lithium battery (1)

Cylindrical lithium battery (2)

Cylindrical lithium battery (3)

Cylindrical lithium battery (4)

Rectangular Battery

Rectangular battery with three contacts points on one end

Energizer En715/7.5v Lantern Ind. alkaline rectangular battery

Batteries are different from one another. The big battery has bigger power than the small one.

A batetry has 2 ends: positive (+) end and negative (-) end.

To make the things work, put the + end of a battery to the + sign in the battery slot of the things. Put the – end of battery to the – sign and joined to the spring in the battery slot.

To make a simple circuit, we need a battery, a wire, and a bulb.

To light up a bulb, we have to connect the parts of the circuit correctly.

When the parts of the circuit are not connected correctly, the bulb does not light up.

A circuit with more than one battery will light up the bulb brighter than the circuit with one battery only.

Thomas Alfa Edison was the great inventor. He invented bulb that could stand for 40 hours in 1879. In 1880 he invented the modern electricity distribution system.

Battery Science: Make Widgets That Work and Gadgets That Go (Spiral-bound)

Battery science project activity book includes a genuine Klutz alkaline battery, a buzzer, a propeller, a light bulb, a motor and other useful doodads – everything you need for all 8 projects. With this battery science project activity book, your kids will learn a lot about how electricity and circuits work. They will learn and explore that a circuit is a loop, how electricity moves and how to make switches. The motor is great fun just to run on it’s own.

Battery science project activity book product details:

• Reading level: Ages 9-12
• Spiral-bound: 56 pages
• Publisher: Klutz; Book and Access edition (August 1, 2003)
• Language: English
• Product Dimensions: 8.5 x 8 x 2 inches
• Shipping Weight: 1.2 pounds