The End of Night
Unit 7

The Night Sky

Light pollution from Chicago lights
clouds in the night sky.

Light Pollution

Look up at the sky at night. What can you see? Before electric lights, people could often see about 2,500 different stars. Now, light fills the skies over our cities.

To read more, go to Reading Adventures Book 1, page 91.

  • Vocabulary

    Complete the sentences below using the correct words from the box.
        Type the letters a-h.

    ground (n.)
    fill (v.)
    focus (v.)
    1. Children should not their bag with heavy books.
    2. My aunt's has been very bad since she fell down the stairs.
    3. You have too many interests and need to more on studying English.
    4. Winning the lottery can have a good or bad on people's lives.
    5. He thinks things always go wrong, while she has a more view.
    6. After climbing to the top of the volcano, I could see people on the below.
    7. Air pollution can everyone and make us all really sick.

    8. I want to buy a new car, so I need to a lot of money.

  • Language

    Complete the sentences below using the correct word from the dropdown box.

    1. Living in Rwanda had a positive
    on the rest of my life.
    2. The movie had some great special  
    3. When people see the pyramids for the first time, it  
    them in different ways.
    4. Not getting enough sleep may
    our work or studies.
    5. The melting of ice in the North Pole has a huge  
    on polar bears.

  • Reading

    Look at Unit 7A in Reading Adventures and answer the questions below.
    1. How many stars can people in cities see?

    about 2,500

    about 100

    about 10


    2. Scientists are worried about the effects of electric light on _______.



    the sky


    3. Which of the following is NOT an effect of light?

    It helps us to see.

    It helps us to rest.

    It helps plants grow.


    4. Which of the following is true about streetlight covers?

    They help save energy.

    They send the light into the sky.

    They have a big effect on light pollution.


    5. Why is the passage called "The End of Night"?

    Light pollution has lit up the night sky.

    There are fewer stars in space.

    People do not rest at night any more.


Please complete all the sections before you print your report.
Please note that only your first set of answers will be counted in this report.
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