HOME | LEARN ABOUT THE SERIES | SIGN IN
7A
The End of Night
7B
 
7C
 
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.


     
    health
     
    effect
     
    affect
     
    ground (n.)
     
    save
     
    positive
     
    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 _______.

    plants

    people

    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.
 
Sign In
new user?
 
User Name
 
Password
 
   Remember me for two weeks
 
 
Forgot your password?
 
Sign Up
Already a user?
 
Please enter the following information and an email with a password will be sent to you shortly.
 
User Name
 
Email Address
 
All fields are compulsory
 
 









Terms & Copyright
 

Copyright © 2012 Heinle, a part of Cengage Learning. All rights reserved. Heinle, Cengage, and the Cengage logo are trademarks of Cengage Learning used herein under license. All other brand names mentioned herein are used for identification purposes only and are trademarks of their respective owners.


All content posted on the Heinle World Wide Web Site are owned by or licensed to Heinle, and are protected, without limitation, pursuant to U.S. and foreign copyright and trademark laws. The content on this Web Site may be retrieved solely for personal, non-commercial use and may be downloaded to a hard disk or sent to a printer solely for that purpose. Otherwise all material on this Web Site may not be reproduced, modified, transmitted, or distributed without the written permission of Cengage Learning.


Heinle makes no guarantees or warranties with respect to this Web Site or its contents, which are provided for use "as is." Heinle disclaims all warranties, express or implied, including without limitation the implied warranties of merchantability and fitness for a particular purpose, with respect to the Web Site and any Web Site with which it is linked. Heinle also makes no representations or warranties as to whether the information accessible via this Web Site, or any Web Site with which it is linked, is accurate, complete, or current. Information (including price information) on this Web Site is subject to change without notice.


In no event shall Heinle or its employees, agents, licensors, or contractors be liable for any incidental, consequential, punitive or multiple damages of any kind arising out of or in connection with the use of this Web Site or any Web Site with which it is linked.


Ideas and information that may be posted on this Web Site may not necessarily reflect the views of Heinle or Cengage Learning. Heinle reserves the right, which it may or may not exercise, to review, edit or delete any material which it deems to be illegal, offensive, or otherwise inappropriate. However, in no event shall Heinle assume or have any responsibility or liability for the postings or for any claims, damages or losses resulting from their use and/or appearance on this Web Site. If you post or submit material to the Web Site you represent that you have all necessary rights in and to such material and that such material will not infringe on any personal or proprietary rights of any third parties. You also hereby authorize Heinle to use and/or authorize others to use your Postings in any manner, format or medium that Heinle sees fit.