Electricity Basics
What supplied energy to Derek’s flashlight?
The batteries.
What is the path for electric current called?
A circuit.
What color was Derek’s hoodie?
Yellow.
Who should you tell about a wet power cord?
An adult.
You open the switch in a working flashlight. What happens to the light? Why?
The light goes out because the circuit’s path is broken.
Electricity is a form of what?
Energy.
Does a closed circuit have a complete path or a broken path?
A complete path.
What shape was Derek’s sandwich?
A star.
What did Derek do when he saw the spill?
He stayed away and told Mr. Lee.
A battery-powered toy’s batteries run out of energy. What happens to the toy?
It stops working until it gets fresh or recharged batteries.
What metal inside the wire was a conductor?
Copper.
Why did the bulb go dark when Derek bumped the wire?
The loose wire broke the circuit’s path.
What trophy was missing from the second shelf?
The soccer trophy.
What color was Mrs. Park’s balloon?
Purple.
You replace part of a circuit’s copper wire with a piece of plastic. Will the bulb light? Why or why not?
No. Plastic is an insulator, so it does not let current flow easily through the circuit.
What material covered the wire as an insulator?
Plastic.
What part opens or closes a circuit?
A switch.
What time did Derek arrive at school?
8:05.
What is a buildup of electric charge called?
Static electricity.
You find a power cord with cracked plastic and exposed wires. What should you do?
Leave it alone, stay away, and tell an adult.
Name the two things electricity produced at lunch.
Movement in the fan and light in the bulb.
Mia reconnects the wire, but the switch stays open. Will the bulb light? Why?
No. The open switch still breaks the circuit.
Where did Mia find the lightning keychain?
Under her green notebook.
Why could the rubbed balloon stick to the wall?
Static electricity made the balloon attract the wall.
Your battery circuit’s bulb will not light. The switch is closed. Name two other things you could check.
Check whether the batteries have energy and whether all the wires are connected. Also accept checking the bulb.