iReady Unit 5 Interim Assessment

1 How does the circle graph help the reader understand the information in paragraph 1 of “The Layers of Earth’s Atmosphere”?

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

• B It shows that more than 90% of Earth’s atmosphere is made up of water vapor and oxygen.

• C It shows that oxygen, nitrogen, and water vapor make up just 90% of Earth’s atmosphere.

• D It shows that gases like carbon dioxide, oxygen, and nitrogen are only a tiny fraction of Earth’s atmosphere.

2 The box below contains information about our atmosphere.

Details

• The ozone layer is located in the stratosphere.

• Strato- means “layer.”

• The ozone layer protects us from the Sun’s dangerous rays.

• There are four layers of Earth’s atmosphere.

• Seventy-eight percent of Earth’s atmosphere is made of nitrogen.

WHAT THE TEXT SAYS

2 The box below contains information about our atmosphere.

Details

• The ozone layer is located in the stratosphere.

• Strato- means “layer.”

• The ozone layer protects us from the Sun’s dangerous rays.

• There are four layers of Earth’s atmosphere.

• Seventy-eight percent of Earth’s atmosphere is made of nitrogen.

WHAT THE DIAGRAM SHOWS

2 The box below contains information about our atmosphere.

Details

• The ozone layer is located in the stratosphere.

• Strato- means “layer.”

• The ozone layer protects us from the Sun’s dangerous rays.

• There are four layers of Earth’s atmosphere.

• Seventy-eight percent of Earth’s atmosphere is made of nitrogen.

WHAT THE TEXT SAYS AND THE DIAGRAM SHOWS

3 Read this sentence from paragraph 7 of “Layers of Earth’s Atmosphere.”

From bottom to the top, the temperature decreases from about 5°F (-15°C) to as low as -184°F (-120°C).

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 is used in this sentence.

• A to grow larger in size

• B to get smaller in number

• C to become warmer

• D to change suddenly

5 Read these sentences from paragraph 2 of “Air Works for Me.”

We all 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 of necessary as it is used in this sentence.

• A helpful

• B harmful

• C needed

• D wanted

6 This question has two parts. First, answer Part A. Then answer Part B.

Part A

What point does the author of “Air Works for Me” make about air?

• A It can be used in magic tricks.

• B It has both mass and weight.

• C We need not pay attention to it.

• D It is important to us in many ways.

Read paragraph 2 from “Air Works for Me.” Underline three sentences that best support the point in Part A.

• We all know that air is necessary for life.

• Animals need the oxygen in the air, and plants need the carbon dioxide that air contains.

• Air is important to us in countless other ways too.

• It dries on our clothes and vacuums our floors; it lifts kites and airplanes.

• In air conditioners and heaters, it cools us down and warms us up.

7 The box below contains details about the experiment discussed in “Air Works for Me.”

Details

• You should use a plastic cup half-full of water.

• Using too little water could weaken the seal.

• Turn the cup upside down after placing the index card.

• The cup should balance on the center of your hand.

• The experiment is a fun way to learn about water pressure.

WHAT THE TEXT SAYS

7 The box below contains details about the experiment discussed in “Air Works for Me.”

Details

• You should use a plastic cup half-full of water.

• Using too little water could weaken the seal.

• Turn the cup upside down after placing the index card.

• The cup should balance on the center of your hand.

• The experiment is a fun way to learn about water pressure.

WHAT THE DIAGRAM SHOWS