4th Grade Connecting Visuals to Text

How does the circle graph help the reader understand the information in paragraph 1 of "Layers of the Earth's Atmosphere"?

• It shows that carbon dioxide, water vapor, and ozone make up less than 1% of the of Earth's atmosphere.

• It shows that more than 90% of Earth's Atmosphere is made up of water vapor and oxygen.

• It shows that oxygen, nitrogen, and water vapor make up just 90% of Earth's Atmosphere.

• It shows that gases like carbon dioxide, oxygen, and nitrogen are only a tiny fraction of the Earth's Atmosphere.

Read this sentence from paragraph 7 of "The Layers of the Earth's Atmosphere".

From bottom to the top, the temperature decreases from about 5f (-15c) to as low as -184f(-120c)

The word decreases uses the prefix de- which means down or away from. Using this information and context clues , choose the best definition of decrease as it used in the sentence.

• to grow larger in size

• to get smaller in number

• to become warmer

• to change suddenly

The author of "The Layers of the Earth's Atmosphere" concludes that we are "at the very bottom of......a vast ocean of gas." Which reasons does the author give to support this conclusion? Include at least two supporting details.

Read these sentences from paragraph 2 of "Air works For Me"

We know that air is necessary for life. Animals need the oxygen in air, and plants need the carbon dioxide that air contains. Air is important to us in countless other ways, too. Using context clues, choose the best definition for the word necessary as it is used in this sentence.

• helpful

• harmful

• needed

• wanted

What point does the author "Air Works for Me" make about air?

• It can be used in magic tricks.

• It has both mass and weight.

• We need not pay attention to it.

• It is important to us in many ways.

Write a paragraph that answers the following questions.

What is the troposphere?

What are the two qualities of the troposphere that living things need to survive?