General Science Review 7.1: Question Preview (ID: 12277)

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What describes the condition of air at a particular time and place?
a) weather
b) atmosphere
c) gasses
d) particles

Earth's atmosphere is
a) thin
b) thick
c) thicker at the bottom and thinner at the top
d) thinner at the bottom and thicker at the top

What 2 molecules are usually found in groups of 2 atoms?
a) Nitrogen and Oxygen
b) Nitrogen and Carbon
c) Carbon and Oxygen
d) none of the choices

What percentage of Earth's atmosphere is nitrogen and oxygen?
a) 99%
b) 1%
c) 78%
d) 21%

What is ozone?
a) A molecule made of 1 oxygen atom
b) A molecule made of 2 oxygen atoms
c) A molecule made of 3 oxygen atoms
d) A molecule made of 4 oxygen atoms

What gas is released when fuels are burned?
a) Carbon dioxide
b) Oxygen
c) Nitogen
d) Water vapor

Other gasses in the atmosphere are called _______ gasses because they are only found in small amounts
a) trace
b) small
c) rare
d) fine

What state of matter is water vapor?
a) gas
b) liquid
c) solid
d) 2 of the choices

Pure air contains
a) only gasses
b) gasses and liquid particles
c) gasses and solid particles
d) gasses, liquid particles, and solid particles

Living things use atmosphere to
a) protect themselves from radiation and meteoroids
b) trap warm energy
c) to breathe
d) all of the choices

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