Vocabulary
The force around a magnet
What is magnetism?
Anything that pulls iron, steel, and certain other metals to it
What is a magnet?
There is a magnet on the inside your refrigerator door
True
True or False:
Earth's magnetic and geographic poles are lined up
False
When is Miss Miller's last day?
What is March 29th?
A place on a magnet where magnetism is strongest
What is a pole?
A compass is helpful to people because you can use to to......
What is to help find directions?
A compass always points South
What is false?
What happens when the like poles of two magnets are placed together?
What is the repel each other and push apart?
The most attracted metals to magnets
*Hint - there are 3
What are iron, nickle, and cobalt?
A small magnet that can turn freely
What is a compass?
A magnet made when an electric current flows through a wire
What is an Electromagnet?
A scientist named William Gilbert realized that electricity and magnetism are linked
False.... Hans Christian Orested
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worth 600 points
How is an electromagnet made?
What is by wrapping a wire around a bolt or other magnetic object ad then passing an electric current through the wire?
What is Miss Miller most afraid of?
What is sharks?
The space around a magnet where magnetism acts
What is a magnetic field?
In ancient times, people noticed certain rocks that pulled together or pushed apart. What were these called?
What are lodestones?
Magnetic fields are invisible to the human eye
True
What happens when you cut a magnet in half?
What is two new poles are formed?
What is a unit fraction?
A machine that uses an energy source and a magnet to make electricity.
What is a generator?
This happens when magnets push apart
What is they repel?
Electricity can be used to make a magnet by passing current through a wire
What is True?
Most electric power is made by large machines called generators. What are three examples of how generators can be powered?
What is by wind, rushing water, steam, or by the burning of coal, gas, or oil.
The unit for measuring the power of a magnet
Tesla (T)