Go with the flow
Fuels
On and Off
Speeding Waves
Attractive ideas
100
This type of circuit allows current to flow from the energy source, through various components, and back to the source.
What is a closed circuit?
100
The following are examples of these:
What is a fuel or energy source?
100
A magnet you can turn on and off.
What is an electromagnet?
100
When light rays from the sun or a lamp hit an object, they bounce. This is called ___________ and it allows objects that don't produce their own light to be seen.
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What is reflection?
100
When a north pole of a magnet faces the south pole of another magnet, they do this.
What is attract?
200
The flow of electricity.
What is current?
200
The light energy and heat energy in this flame comes from the chemical energy stored in this.
What is wax?
200
This device uses electromagnetism for communication, and it also put the Pony Express out of business.
What is a telegraph?
200
In a dark room with no windows and no cracks to let in light, this is what you'll be able to see.
What is nothing?
200
When two magnets push away from each other.
What is repel?
300
This component spins to show us that electricity is flowing, but it also _________.
What is buzzes/buzzing?
300
The energy for turning on a crank flashlight comes from this.
What is motion or food or the sun?
300
The center of an electromagnet around which wire is coiled.
What is a core?
300
The sound on the bottom is _____________________ than the sound on the top.
What is higher pitched?
300
The invisible field around a magnet.
What is magnetc field?
400
Here is an example of this type of circuit.
What is a series circuit?
400
The problem with this circuit is that...
What is the positive terminals are facing different directions?
400
If you test what affects the strength of an electromagnet by changing the number of coils AND adding more D-cells, you are NOT conducting this type of experiment.
What is a controlled experiment?
400
The ball on the left has more of this.
What is potential energy?
400
This device will always point to a magnet and also north.
What is a compass?
500
Here is an example of this type of circuit.
What is a parallel circuit?
500
When water freezes into ice, it is evidence that _________________ has been transferred out of the water.
What is heat energy?
500
The strength of an electromagnet can be changed by changing the number of these.
What is the winds in the coil?
500
(The two words must be in the correct order.)
When the ball hits the cork, the energy of the ball will __________ and the energy of the cork will __________.
What is decrease and increase?
500
The permanent magnet is __________________ temporary magnetism in the nail.
What is inducing?