Makey Makey Lesson 4

Look at the pictures and choose the conductor.

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Why is electrical wiring usually covered with a layer of plastic?

• To make it look pretty

• To make it safe

• To help electricity flow along the wire

• To add more energy

What does holding the 'ground' "earth" cable do?

• Closes the circuit

• Starts the game

• Presses a button

• Opens a circuit

Which bulbs will light?

• 1 and 2

• 2 and 3

• 4 and 2

• 3 and 4

What happens if the Earth connector is not properly connected?

• It will have no impact on electrical devices

• It will improve the electrical safety

• Circuit won't be complete

• It will result in better electrical conductivity

Which bulbs will light?

• 1 and 2

• 2 and 3

• 3 and 4

• 4 and 2

Which best describes objects that can complete a circuit? 

• Most are silver in color

• Most are thick and smooth

• Most are made of metal

• Most are long and flexible

The atoms are slow but the electrons of them come at a speed of light.

• True

• False

Find the odd one

• Silver

• Copper

• Bakelite

The path of current in a circuit is always completed by _________________.

• A transformer

• An electrical device

• conducting wires