Abeka 5th Grade, Science Quiz 20 ( 7.5 - 7.6)
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ions
Atoms that have lost electrons are called
North Pole
The north magnetic pole is located near the geographic _____________
air pressure
The total weight of air on a particular object
nitrogen
air is mostly made up of ____ (78%)
aurora borealis
another name for the northern lights
contracts
happens when air is cooled and it takes up less space
meteoroids
pieces of space debris that hurtle through our atmosphere are called
ozone layer
the invisible shield of gas that protects the earth
troposphere
the layer of the atmosphere closest to earth
troposphere
the layer where weather occurs is the