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Unit 7- Electromagnetism

Authored by Ryan Johnson

Chemistry, Physics

9th - 12th Grade

Used 8+ times

Unit 7- Electromagnetism
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43 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is not a property of a magnet? 

all magnets have two poles
all magnets have a force of attraction or repulsion
all magnets are surrounded by a magnetic field
all magnets can be turned off

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A device that uses a free-moving magnetic needle to show direction is a:

lodestone

magnet

compass

magnetic field

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes electricity?

moving neutrons
moving protons
moving atoms
moving electrons

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of charge do electrons have?

negative
positive 
neutral
nothing

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when you touch a metal doorknob after rubbing your shoes on the carpet?

 The doorknob sends a burst of electric current into your body
 Millions of electrons go from your finger into the doorknob
The doorknob sends millions of electrons into your finger
Your finger becomes negatively charged

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Lightning is a form of static electricity. What can you infer about what happens when lightning strikes the ground?

Protons and neutrons are transferred from the clouds to the ground

The ground becomes negatively charged

Electrons are transferred from the clouds to the ground

An electric current is established between the clouds and the ground

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the name of a magnet created by wrapping a current-carrying wire around an iron core?

Electromagnet

Magnetic Pole

Voltage

Electric Current

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