GPappas Atmosphere

Question 1

a thin layer of air that forms a protective layer around the Earth

Answer 1

atmosphere

Question 2

What are the two most abundant gases in the atmosphere of the Earth?

Answer 2

Nitrogen 78% and Oxygen 21%

Question 3

What percent of our atmosphere is made up of gases other than oxygen and nitrogen?

Answer 3

1%

Question 4

Ozone is composed of what?

Answer 4

3 oxygen atoms

Question 5

Water vapor is water in the form of what?

Answer 5

gas

Question 6

Earth’s atmosphere is important to living things because it provides

Answer 6

air to breathe

Question 7

Earth’s atmosphere traps energy from the sun, which allows ___________ to exist as a liquid.

Answer 7

water

Question 8

Air has pressure because air has ___________.

Answer 8

mass

Question 9

What is the formula for density?

Answer 9

density = mass / volume

Question 10

The less mass in a given volume of air, the __________dense the air

Answer 10

less

Question 11

Instruments used to measure air pressure are called

Answer 11

barometers

Question 12

As you rise upwards in the atmosphere, air pressure

Answer 12

decreases

Question 13

When climbing a high mountain, why do you get out of breath easily?

Answer 13

because there is less air available

Question 14

How are the layers of the atmosphere classified

Answer 14

They are classified according to temperature

Question 15

From Earth to space, the main layers in atmosphere are :

Answer 15

Thermosphere, stratosphere, mesosphere, thermosphere (ionosphere, exosphere)

Question 16

The lowest and shallowest layer of the atmosphere is the

Answer 16

troposphere

Question 17

The layer of the atmosphere where weather occurs is the

Answer 17

troposphere

Question 18

The ozone layer is found in what layer?

Answer 18

stratosphere

Question 19

The ozone layer protects living things on Earth from

Answer 19

radiation from the sun

Question 20

Describe 2 ways that the atmosphere helps living things survive on Earth.

Answer 20

1) water exists as a liquid 2) protects the Earth from sun’s harmful radiation and heat

Question 21

Harmful substances in the air, water or soil are called this

Answer 21

pollutants

Question 22

Name 3 things that can happen to human health as a result of air pollution

Answer 22

respiratory irritation, asthma, cancer

Question 23

3 Sources of pollution caused by humans

Answer 23

automobiles, burning fossil fuels, industry, farms

Question 24

4 Sources of pollution caused by nature

Answer 24

volcanoes, forest fires, dead and decaying organisms, lightning strikes

Question 25

Smog is created when particles of _________ ___________ combines with water droplets in the air

Answer 25

coal smoke

Question 26

This type of smog creates a brownish mixture of ozone and other pollutants when in the presence of sunlight

Answer 26

photochemical smog

Question 27

Acid Rain is caused by

Answer 27

sulfur dioxide and nitrogen oxides are released into the air and react with water droplets in the air to form nitric acid and sulfuric acid

Question 28

What are some ways we can improve air quality

Answer 28

Use renewable resources such as wind, sun, and air. Use less electricity. Drive less - carpool. Waste less of everything. Don’t buy useless items that you are just going to throw away. Don’t use buy bottled water.

Question 29

Why does air pressure not crush objects?

Answer 29

Because the objects are pushing back