| Electric Current | Circuits | Magnetism, Part 1 | Magnetism, Part 2 | Using Magnets and Electricity Together |
| 100 | 100 | 100 | 100 | 100 |
| 200 | 200 | 200 | 200 | 200 |
| 300 | 300 | 300 | 300 | 300 |
| 400 | 400 | 400 | 400 | 400 |
| 500 | 500 | 500 | 500 | 500 |
| Final Question | ||||
What happens when you rub two objects together?
What happens when you rub two objects together?
Negative charges move from one object to the other.
What are the charges that most objects have?
What are the charges that most objects have?
Most objects have a balance of positive and negative charges. Two positives or two negatives repel. A positive and a negative attract.
What is an electric current?
What is an electric current?
An electric current is the flow of negative charges through matter.
Name two examples of a conductor and two examples of an insulator.
Name two examples of a conductor and two examples of an insulator.
Two conductors are metals and water. Two insulators are rubber and plastic.
What is resistance?
What is resistance?
Resistance is a measure of how much a material opposes the flow of electric current and changes it into heat energy.
What happens when you close a circuit?
What happens when you close a circuit?
When you close a circuit, the circuit turns on. When you open a circuit, the circuit turns off.
What is a series circuit?
What is a series circuit?
A series circuit is a circuit that connects several objects one after the another so that the current flows in a single path.
What is a parallel circuit?
What is a parallel circuit?
A parallel circuit is a circuit that connects several objects in a way that the current for each object has its own path.
If the appliances in your house were on a series circuit, how would you turn on the lights in the kitchen?
If the appliances in your house were on a series circuit, how would you turn on the lights in the kitchen?
To turn on the lights in the kitchen, or any other room, EVERY appliance that is plugged in would have to be turned on at the same time.
What happens to the other appliances on a parallel circuit when you turn off the lights?
What happens to the other appliances on a parallel circuit when you turn off the lights?
Because each appliance has its own path to the electricity in a parallel circuit, when you turn off the lights, all the other appliances can stay on.
What is a magnet?
What is a magnet?
A magnet is anything that pulls iron, steel, and certain other metals to it.
What is magnetism?
What is magnetism?
Magnetism is the force around a magnet.
What is a magnetic field?
What is a magnetic field?
A magnetic field is the space around the magnet where magnetism acts.
What are poles?
What are poles?
Poles are the place on a magnet where magnetism is the strongest.
What causes the northern and southern lights?
What causes the northern and southern lights?
The northern an southern likes are caused by the earth's magnetic field. Charged particles from the sun are pulled and pushed into patterns in the sky. The particles act with gases in the air, making the brightly colored lights.
What two poles repel? What two poles attract?
What two poles repel? What two poles attract?
The same poles (north and north, south and south) repel. Unlike poles (north and south) attract.
What does the pattern formed when you sprinkle tiny pieces of iron over a magnet show?
What does the pattern formed when you sprinkle tiny pieces of iron over a magnet show?
The patterns shows the magnet's magnetic field.
If you hang a magnet on a string and allow it to swing freely, what will happen?
If you hang a magnet on a string and allow it to swing freely, what will happen?
The north pole would point to the earth's north magnetic pole and the south pole will point to the earth's south magnetic pole.
What do you call a magnetic rock found in a forest?
What do you call a magnetic rock found in a forest?
A magnetic rock is called a lodestone.
What is a compass and what does it help you do?
What is a compass and what does it help you do?
A compass is a small magnet that can turn freely. It helps you identify north and south to use for directions.
How can you make electricity using magnets?
How can you make electricity using magnets?
If you push and pull a magnet through a coiled wire or push and pull a coiled wire around a magnet, you will create electricity.
What is a generator?
What is a generator?
A generator is a machine that uses an energy source and a magnet to make electricity.
Besides magnets and coiled wire, what else does a generator need?
Besides magnets and coiled wire, what else does a generator need?
A generator also needs an energy source like coal, gas, oil, rushing water, wind, or nuclear power.
What is an electromagnet?
What is an electromagnet?
An electromagnet is a magnet made when an electric current flows through wire.
Why can an electromagnet be sometimes more useful than a regular magnet?
Why can an electromagnet be sometimes more useful than a regular magnet?
An electromagnet can be more useful sometimes because you can turn an electromagnet on or off whenever you want. A regular magnet cannot be turned off.
Name three appliances that use an electromagnet.
Name three appliances that use an electromagnet.
Phones, fans, and doorbells all use an electromagnet.
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