Magnets
Compasses
Electromagnets
Electric Currents
Wires, batteries & Bulbs
100
When they push away from each other.
What happens when a magnets repels?
100
What is one way that you can make a compass? A: Putting a needle in water B: Having a hair dryer blowing in the wind C: Having a magnet in water
What is A: Put a needle in water?
100
What happens when two coils are next to each other?
What is adding magnetic fields?
100
Electrons have ___________ charge. Fill in the blank.
What is negative charges?
100
A circuit without interruption, providing a continuous path through which a current can flow.
What is a closed circuit
200
When magnets pull to each other.
What is magnetic attraction?
200
It points North, south, east, west.
How does a compass work?
200
The wire you have been using to make circuits is made of _________? A) nickel. B) Copper. C) metal. Fill in the blank.
What is B) Copper?
200
Electrically charged objects attract or ______ each other? Fill in the blank.
What is repel?
200
A series circuit is a closed circuit in which the current follows one path
What is a series circuit
300
They are the two ends of a magnet.
What are poles of a magnet?
300
Q: What does every magnet have around it? A: plastic B: C.A.M. C: a magnetic metal content D: A magnetic field
What is D: A magnetic field?
300
It is a magnet that can be turned on and off with the flip of a switch.
What is an electromagnet?
300
The positive and negative charges are equal.
What happens when an atom is electrically neutral?
300
wire
What component carries electricity around and through the circuit?
400
The magnetism in the iron is called _______? A) metal. B) induced magnetism. C) nickel. Fill in the blank.
What is B) induced magnetism.
400
Where on Earth does the North Pole on a magnet point to? A: Earth’s North Pole B: Earth’s South pole
What is A: Earth's North Pole?
400
It surrounds electric currents while it is flowing through the wire.
What does a magnetic field surround?
400
Can an electron leave one atom and move to another atom. A) All of the time. B) Sometimes C) Never
What is A) All of the time?
400
open circuit
What is a discontinuous circuit through which no current can flow.
500
Magnets stick to one kind of metal?
What is iron?
500
When making the compass with the bar magnet, what will the magnet do when it is at rest? A: Point North B: Point South C: Point East D: Point West
What is A: Point North?
500
The small particles that everything is made of.
What is an atom
500
It can cause electrons to move or transfer.
What can rubbing two different objects together cause?
500
They push away from each other.
What happens when magnets repel?
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