Quiz 20, Sections 7.5-7.6 Flashcards
1
Q
When air is cooled, it ______, and takes up less space
A
contracts
2
Q
Air is mostly made up of ____ (78%)
A
nitrogen
3
Q
The total weight of air on a particular object is _____.
A
air pressure
4
Q
The layer of the atmosphere closest to earth is the _____.
A
troposphere
5
Q
The later where weather occurs is the ____.
A
troposphere
6
Q
The invisible shield of gas that protects the earth is the _____ layer
A
ozone
7
Q
Pieces of space debris that hurtle through our atmosphere are called _____.
A
meteoroids
8
Q
Atoms that have lost electrons are called ____.
A
ions
9
Q
Another name for the northern lights is
A
aurora borealis
10
Q
The north magnetic pole is located near the geographic _______ Pole.
A
North
