
Electric Current and Circuits

Quiz
•
Biology
•
8th Grade
•
Hard
Oisin Minagh
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is meant by electric current?
The amount of charge flowing per second
The speed of light in a wire
The number of batteries in a circuit
The brightness of a bulb
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which device is used to measure electric current?
Ammeter
Voltmeter
Thermometer
Barometer
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you press the switch on a torch?
The light comes on by closing the circuit
The battery is removed
The wire melts
The torch explodes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where do the charges that move in a circuit come from?
They are already in the wires
They are created by the battery
They come from the bulb
They are made by the switch
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a metal, what are the charged particles that move called?
Electrons
Protons
Neutrons
Ions
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a cell or battery do in a circuit?
Pushes charges around the circuit
Creates new electrons
Absorbs light
Changes the color of wires
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main purpose of an incubator for a premature baby, as described in the text?
To keep the baby warm using electric current
To provide food
To help the baby sleep
To play music for the baby
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