McGraw-Hill Science Return to Book List
Lightning
Grade 5
Science Magazine & World of Science
 
Earth and Its Resources, Topic 1: Earth and Its Neighbors
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Keyword: CALLBACK

Did You Know...
The Earth revolves around the Sun at a speed of 67,000 miles per hour. This means that every second, the Earth moves just over 18 miles!

 

The Space Place

Are you ready to blast off to the Space Place? The people at NASA offer this site filled with activities, games, and riddles—as well as lots of information about outer space and what it can teach us. Be sure to check out how trees can be seen from space!

Questions

  1. Why are mirrors used instead of lenses on most telescopes today?

  2. What devices will the Deep Space II mission drop on Mars? What is the purpose of these devices?

  3. How many spacecraft are a part of the Space Technology 3 project? What does each spacecraft do?

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Kidz Exploring Space

From Thinkquest comes the kid’s guide to space. It has pages on the history of space exploration, planets, and stars. There is even a section on aliens!

Questions

  1. Why is Mars called the red planet?

  2. How many stars do the largest galaxies contain?

  3. What was Galileo Galilei’s role in space exploration?

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Apollo 11

Apollo 11 was the mission where humans first set foot on the Moon! Learn all about it at this site from NASA. Check out the for some great pictures from this mission.

Questions

  1. What was the name of the lunar module of Apollo 11? What was the name of the command module?

  2. Who was Neil Armstrong? Name the other members of his crew.

  3. Compare some of the achievements of the lunar space programs of the United States and the Soviet Union (USSR).

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Who's Out There?

What's the best way to look for life in outer space? That's a question they ask at the SETI Institute. (SETI stands for Search for Extra Terrestrial Intelligence.) Explore their work at this site.

Questions

  1. Why might it be easier to contact other species over the radio, rather than by sending probes or spacecraft into space?

  2. Why is the center of our Milky Way galaxy an unlikely place for life?

  3. Do you think there is life on other worlds? If yes, do you think we might contact them? Explain your answer.

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