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MagnetismStudyGuide

4th grade magnetism test

QuestionAnswer
force a push or pull
magnet an object that sticks to iron
magnetism a specific kind of force
attract when magnets pull together
repel when magnets pull apart
temporary magnet a piece of iron that behaves like a magnet when it is touching a permanent magnet
induced magnet the influence of a permanent magnet's magnetic field on a piece of iron, which makes the magnet act like a magnet
graph organizes details visually to show a relationship between two things
prediction an educated guess based on data or previous experience
intersection the point at which two lines cross
detector something you use to gather evidence about something that you can't see
distance between two magnets greater the distance the weaker the force of attraction
two magnets can attract or repel each other
what detects a magnetic field? compasses, iron fillings, and iron objects
When you touch a piece of iron to a permanent magnet, magnetism is induced in the piece of iron, and it becomes a temporary magnet. Magnetism can be induced only in iron or steel and a few other metals. When you touch a piece of iron to a permanent magnet, magnetism is induced in the piece of iron, and it becomes a temporary magnet. Magnetism can be induced only in iron or steel and a few other metals.
Stops force of magnetism Thick objects and sheets of steel stop magnetism
Magnetic force decreases the magnetic force of attraction between two magnets decreases with distance
compasses, iron fillings, and iron objects detect a magnetic field
thick objects and sheets of steel stop the force of magnetism
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