Electricity Basics Quiz for Kids

What is a circuit?

• A place to park your car

• A path that electricity can flow around

• A fancy type of battery

Which of these circuits will not allow the lightbulb to light up

• 
• 
• 
• 

Which side of the battery is marked with a “+”?

• Negative side

• Positive side

• They are both marked with “+”

What are the two sides of an LED called?

• Lucy and Ethel

• Red and black

• Anode and cathode

Will the light bulb in this circuit light and why/why not?

• yes, because it has two batteries
• no, because the switch is open
• yes, because it is in a circuit
• no, because the bulb is burned out

Which is the longer leg on an LED?

• The cathode (negative)

• The anode (positive)

• They’re both the same length

Why won’t an LED light up if you swap positive and negative?

• Because the electricity can’t flow in the right direction

• Because the LED disappears

• Because the LED doesn’t like being swapped

In Tinkercad, which color wire is usually used for positive?

• Blue

• Red

• Green

What does a resistor do in a circuit?

• Speeds up electricity

• Dances in the circuit

• Slows down electricity to protect other parts

Why is it good to have a resistor with an LED?

• It makes the circuit look cool

• It prevents the LED from getting too much electricity and burning out

• It does nothing