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Understanding Magnetism

TEST
COUNTS 90 % of grade
Across
The single most important function of magnetism is that it can transport ______.
Earth's ___ field protects us from cosmic radiation.
There is strong evidence that some _____ use the Earth's magnetism for migration.
A compass needle pulls downward toward the center of the _____.
Earth has had the same magnetic _____ for 700,000 years.
A lodestone could transfer its power to an ordinary ____ needle.
A dark stone that attracted iron with an invisible force
Investigating Earth's magnetism lead to revelations about ____ movement.
We have magnetic ____ in our brains.
A magnetized needle would align with the North, prompting the invention of the ______.
MRI bathes the patient in a magnetic ____ 5000 times stronger than the Earth's.
Down
Earth's field lines converge at its magnetic ____.
Hippocrates, while inventing medicine, attributed _____ properties to lodestones.
Magnets are as large as a world and as small as an ________.
If you captured a little bit of the sun, where could you keep it? in a magnetic _____
The history of Earth's magnetic field is locked in layers of ______.
When rock forms, magnetic _____ line up with the Earth's magnetic field.
Lodestone is an iron ore, a ____ magnet
____ in a salt marsh are living bar magnets.
Understanding _____ has allowed humans to live a better life.
An ____ charge that is moving creates a magnetic field.
Earth is a giant ______.