Air and Atmosphere Quiz

False (B)

Because the air at the top of high mountains is thin and lacks sufficient oxygen for proper breathing.

<p>four-fifths</p> Signup and view all the answers

<p>Nitrogen = 78% Oxygen = 21% Argon = 0.9% Carbon dioxide = 0.03%</p> Signup and view all the answers

<p>For respiration (C)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>The amount of air becomes less and less.</p> Signup and view all the answers

<p>wind</p> Signup and view all the answers

<p>Colorless = Air has no color. Mass = Air has weight. Compressible = Air can be squeezed into smaller volumes. Dissolves in water = Air can mix with water.</p> Signup and view all the answers

<p>Air is visible (D)</p> Signup and view all the answers

<p>False (B)</p> Signup and view all the answers

<p>Air bubbles escape and water enters the bottle.</p> Signup and view all the answers

Air is a mixture of various gases, primarily nitrogen, oxygen, and small amounts of carbon dioxide, water vapor, and other gases like argon.

The most abundant gases in air are nitrogen (about 78%) and oxygen (about 21%).

Yes, air is a type of matter because it occupies space and has mass.

The percentage of gases in air can change depending on location and season, affected by factors such as industrial activity, proximity to water bodies, and weather patterns.

High altitudes have less oxygen, requiring mountaineers to carry oxygen cylinders to ensure proper breathing.

A mixture of gases that surrounds Earth.

The layer of air surrounding Earth.

Air is colorless, tasteless, odorless, has mass, occupies space, and dissolves in water.

Air takes up space and prevents water from filling a contained space.

Essential gas for breathing by living organisms.

Harmful substances in the air.

Moving air.

Essential for all living things.