Abeka 5th Grade, Science Quiz 20 ( 7.5 - 7.6)

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