Earth’s AtmosphereEarth’s Atmosphere

Text pg. D6-D9Text pg. D6-D9

V. MartinezV. Martinez

1. What is the layer of air that 1. What is the layer of air that surrounds the planet?surrounds the planet?

Atmosphere is the layer of air that Atmosphere is the layer of air that surrounds the planet. surrounds the planet.

2. What are the particles of air 2. What are the particles of air pressing on the earth’s surface pressing on the earth’s surface

called?called? Air pressure is the particles of air pressing Air pressure is the particles of air pressing

on the earth’s surface. on the earth’s surface.

3. What is the layer of the 3. What is the layer of the atmosphere closest to the earth?atmosphere closest to the earth?

The troposphere is the layer of the The troposphere is the layer of the atmosphere closest to the earth.atmosphere closest to the earth.

We live in the troposphere. This is where We live in the troposphere. This is where the weather happens.the weather happens.

4. What is the second layer of the 4. What is the second layer of the earth’s atmosphere?earth’s atmosphere?

The stratosphere is the second layer of the The stratosphere is the second layer of the earth’s atmosphere.earth’s atmosphere.

5. The atmosphere formed millions 5. The atmosphere formed millions of years ago as gas from _____ of years ago as gas from _____

collected around the planet.collected around the planet.

The atmosphere formed millions of years The atmosphere formed millions of years ago as gas from ago as gas from erupting volcanoeserupting volcanoes collected around the planet.collected around the planet.

6. The atmosphere is made up of 6. The atmosphere is made up of billions of ______ particles. billions of ______ particles.

The atmosphere is made up of billions of The atmosphere is made up of billions of gasgas particles. particles.

7. Almost all weather happens in 7. Almost all weather happens in what layer of the earth?what layer of the earth?

Almost all weather happens in the Almost all weather happens in the tropospheretroposphere. .

8. Plants use carbon dioxide during 8. Plants use carbon dioxide during what process?what process?

Plants use carbon dioxide during Plants use carbon dioxide during photosynthesisphotosynthesis. .

9. Water vapor condenses to form 9. Water vapor condenses to form what?what?

Water vapor condenses to form Water vapor condenses to form cloudsclouds..

10. Air pressure changes as you go 10. Air pressure changes as you go ______ in the atmosphere.______ in the atmosphere.

As pressure changes as you go higher in As pressure changes as you go higher in the atmosphere. the atmosphere.

11. Earth’s atmosphere is divided 11. Earth’s atmosphere is divided into _______ layers. into _______ layers.

Earth’s atmosphere is divided into Earth’s atmosphere is divided into fourfour main layers. main layers.

12. The _____ protects living things 12. The _____ protects living things from harmful rays of the sun.from harmful rays of the sun.

The The ozoneozone protects living things from protects living things from harmful rays of the sun. harmful rays of the sun.

13. What is the coldest layer of the 13. What is the coldest layer of the Earth’s atmosphere?Earth’s atmosphere?

The The mesospheremesosphere is the coldest layer of the is the coldest layer of the earth’s atmosphere.earth’s atmosphere.

14. In the _____ air temperature 14. In the _____ air temperature increases quickly with height. increases quickly with height.

In the stratosphere air temperature In the stratosphere air temperature increase quickly with height. increase quickly with height.

15. The atmosphere looks like a 15. The atmosphere looks like a _______ that surrounds the earth._______ that surrounds the earth.

The atmosphere looks like a The atmosphere looks like a thin blanketthin blanket that surrounds the earth. that surrounds the earth.

16. Water vapor and carbon dioxide 16. Water vapor and carbon dioxide absorb _____ energy. absorb _____ energy.

Water vapor and carbon dioxide absorb Water vapor and carbon dioxide absorb heatheat energy. energy.

17. Air over bodies of water usually 17. Air over bodies of water usually contains ____ water vapor than air contains ____ water vapor than air

over land. over land.

Air over bodies of water usually contains Air over bodies of water usually contains moremore water vapor than air over land. water vapor than air over land.

18. Each of the Earth’s layers 18. Each of the Earth’s layers blends into the next and the blends into the next and the

thermosphere fades into ____.thermosphere fades into ____.

Each of the Earth’s layers blends into the Each of the Earth’s layers blends into the next and the thermosphere fades into next and the thermosphere fades into outer spaceouter space. .

In the experiment with the ruler and In the experiment with the ruler and balloons, when the balloon was balloons, when the balloon was

popped the ruler went down on the popped the ruler went down on the opposite side. What does this opposite side. What does this

show?show?

It shows that air is matter because it has It shows that air is matter because it has weight and takes up space. weight and takes up space.