Vocabulary
What are magnetic poles?
Two areas on a magnet in which the magnetic force is the greatest (North and South)
How many poles do magnets have?
2
Will a magnet stick to a refrigerator?
Yes
Area around a magnet where it can affect other magnetic materials
Magnetic Field
What pole do forces enter in the magnetic field?
South
What does repel mean?
To push away
What do the N and the S stand for on a magnet?
North & South
Can magnets pick up utensils like forks, spoons, and knives?
How can magnets attract objects without touching?
Through a magnetic field extending in space around
What poles do forces exit in the magnetic field?
North
What does attract mean?
To pull together
Where are magnets the strongest?
At the poles on the end of the magnet
Can a magnet pick up pennies?
No
How does the size of the magnet affect the magnetic field strength?
Larger magnets create stronger fields
What is the shape of the magnetic field
Circle
What is a temporary magnet?
A magnet that is only magnetized for a short time.
What will happen if you put two North poles together?
Repel
What 4 metals are magnets attracted to?
Steel, nickel, iron, cobalt
How does an increase in the number of coils in an electromagnet affect magnetic field strength?
How do you create an electromagnet
Connect coil of wire to the battery and bring magnet near it
Any object that can attract certain materials like iron and create an invisible area of force
A magnet
What will happen if you put a North pole and a South pole together?
Attract
What are materials a magnetic force will NOT pass through?
wood, plastic, gold, aluminum
What happens to the strength of a magnetic field as you move away from a magnet
Strength decreases
What are the three important speaker parts + audio input
Magnet, Coil of Wire, Speaker Cone