Question

practice vocabulary
the words below are in the passage in bold type. study the way each word is
used. then complete each sentence by writing the correct word in the blank.
fossil fuels atmosphere greenhouse effect
infrared radiation global warming
1 the air that surrounds earth is called the _.
2 the trend toward higher average temperatures worldwide is
called _.
3 the heat you feel rising from hot pavement is called
_.
4 gases in the atmosphere absorb heat energy radiated from earth. this is
known as the _.
5 some scientists think that burning _ contributes
to the warming trend.
understand the article
write the answer to each question.
6 what kind of energy warms you when you sit out in the sun?
_
7 how is the greenhouse effect like a blanket?
_
_
8 list the major greenhouse gases.
_
_
9 what did many nations agree to do to help slow global warming?
_

Explanation:

1. The air surrounding Earth is the atmosphere.
2. Higher average temperatures worldwide is global warming.
3. Heat from hot pavement is infrared radiation.
4. Gases absorbing heat from Earth is the greenhouse effect.
5. Burning fossil fuels contributes to warming.
6. Solar energy warms when sitting in the sun.
7. The greenhouse effect traps heat like a blanket traps body heat.
8. Major greenhouse gases include carbon dioxide, methane, and water vapor.
9. Many nations agreed to reduce greenhouse gas emissions.

Answer:

1. atmosphere
2. global warming
3. infrared radiation
4. greenhouse effect
5. fossil fuels
6. Solar energy
7. It traps heat (similar to a blanket trapping body heat)
8. Carbon dioxide, methane, water vapor
9. Reduce greenhouse gas emissions