Magnetism
What are the names of the two ends of a magnet?
North Pole and South Pole
What type of charge moves through an electric wire?
Electrons (-)
What do generators produce?
Electricity
Two negatively charged objects will attract or repel?
Repel
What are the three states of matter?
Solid, Liquid, Gas
Opposite poles attract or repel?
Attract
What is a common source of electric energy?
A battery
What do electromagnets produce?
Magnetic field
A transfer of electric charge when objects rub together is called?
Friction
What do you call a group of lions
a Pride
What materials are magnetic?
Iron, nickel, cobalt
What is an example of a conducting material?
Metal
Which non contact forces do electromagnets and generators use?
Electricity and magnetism
Which charge can move from one object to another?
Electrons /negative charges (-)
What is the name of the galaxy our solar system is in?
The Milky Way
Where is the magnetic field the strongest?
Close to the magnet's poles
Where is the electric field the strongest?
Closest to the electric charge
What is an example of a generator?
Wind Turbine
What happens to the electric charges when you rub a balloon on your head?
The electrons/negative (-) charges transfer from your hair to the balloon.
What is the process called when plants make glucose from sunlight?
Photosynthesis
How do you make a closed circuit?
Connect the wires completely.
How can you increase the strength of an electromagnet?
Increase the number of loops
Add another battery
Use a bigger iron core (nail)
electricity builds up in a cloud and jumps to the ground or another part of the cloud, causing a bright flash and a loud sound called thunder.
How many colors are in the rainbow?
7: Red, Orange, Yellow, Green, Blue, Indigo, Violet