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20 questions
Why does a magnet stick to a refrigerator door?
because the door is cold
because the door is sticky
because the door is made of iron
because the door is made of glass
Why are objects more likely to stick to the ends of a magnet?
the ends have glue on them
the ends are the most powerful
the objects are repelled by the ends
the magnet is repelled by the objects
What will happen if you try to put the north poles of two magnets together?
they will pull apart
they will stick together
they will create a motor
they will create an electromagnet
What pattern forms when you sprinkle iron filings around a magnet?
a pattern in the shape of the wire
a pattern in the shape of the magnetic field
a pattern in the shape of the north pole of the magnet
a pattern in the shape of the south pole of the magnet
What happens to an electromagnet when electricity is turned on in it?
it becomes a magnet
it loses it magnetism
it wraps a wire around itself
the wire around it loses its magnetism
According to the article, when would the reader use an electromagnet?
anytime electricity was needed
if a magnet was needed at night
only if the reader operated a junkyard
if the reader wanted to control the magnetic force
Why do junkyards use electromagnets?
to pick up iron filings
to pick up pieces of paper
to pick up and put down cars
to move dirt around the junkyard
What did Michael Faraday discover that a magnetic force could produce?
electricity
iron
lightning
water
How do the articles describe electromagnets DIFFERENTLY ?
"The Power of Magnets" focuses on the high cost of electromagnets.
"The Power of Magnets" has photos of machines that use electromagnets.
"Electromagnets and You" describes how electromagnets are used in junkyards.
"Electromagnets and You" describes how electromagnets are used in may household goods.
How are the articles ALIKE?
both explain the history of magnets
both explain how magnets are useful
both explain how to create an electromagnet
both explain how the poles of a magnet attract each other
Research
to study and find information on a topic
to stretch your muscles
to look for something that is lost
Tools
things people use to help them with their jobs
something that is electric
a very sharp object
Familiar
something that is known because it is used often
a type of pine tree
an unexpected event
Gadget
small machine or tool that is helpful
a small game
to break an invention
Invention
something new
a good idea
something to help people with their job
Electric
run by electricity
a metal plug
a small machine or tool
Experiment
a test scientists use to answer their questions
something run by electricity
to show something is true
Power
strength
a tool you plug in
to make something better
Prove
to show something is true
being always right
being the best at something
Improve
to make something better
to be the very best at something
a test scientists use to answer their questions
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