Solar+System+Answer+Key

Brenda Barker Sub-topic: ** General Questions about our Solar System **

ANSWER KEY:

#1) Did you know that all nine planets can easily fit inside the Sun?! Watch this National Geographic flick, then take the QUIZ and fill in the following three blanks: ** - (GRAVITY) causes a dust cloud to form the planets over a long period of time. - Planet Earth is about (100 MILLION) miles away from the Sun. - The planet that is the most "gassy" is (URANUS). (haha :-) **

** Saturn has thousands of rings in orbit around the planet which are made out of three main elements. These elements are: (ICE), (ROCK), and (DUST). **
 * 1) 2) Play around with this game to learn more about the planets! Check out the “Saturn” rocket and fill in the following blanks:

#3) Want to share some Solar System laughs with your "spacey" friends?! Finish off your hunt with a few of these Space Jokes and answer these favorites so you won't forget them: - "What do you call a crazy moon?" A: (A LUNA-TIC!!) - "How does the Solar System hold up its pants?" A: (WITH AN ASTROID BELT!!) { Oh, you know you like it :-) ** }
 * - "When do astonauts have lunch?" A: (AT LAUNCH TIME!!)

Go to [|This Website] and click on the solar system. Read the information on the web page and fill in the blanks.

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4. There are (BLANK) planets orbiting around the sun. The planets travel (BLANK). There are two parts of the solar system, the (BLANK) solar system and the (BLANK) solar system. The inner planets are separated from the out planets by the (BLANK). ====== Answer: 9, counter-clockwise, inner, outer, asteroid belt

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Listen to [|This Song]and then number the planets 1-9 in the order they are from the sun. ======

Saturn
Answer: 3, 5, 1, 4, 7, 9, 2, 8, 6

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Click on [|This Link] and use the interactive solar system to learn more about the planets. Then answer the true or false questions about the order of the planets. ======

Mars is the fourth planet from the Sun. T F
Answer: T, F, T, T

=Christopher Cardoza=

Answer Key --

**7. How does the name "the solar system" have [|relation] to the sun?**
According to the website, scientists call the sun "sol" which is why they call it and the planets around it the "SOLar system"

**8. How [|old] is the sun thought to be?**
The sun is 4.6 billion years old.

**9. What is a [|solar eclipse] ?**
It's when the moon comes between the sun and the earth.

Erica Capranos
 * SUB TOPIC: Composition of the Planets

Directions: Read the question(s) carefully. Then click the link and search through the website. On this [|website] provided you will find self tests, coloring pages and games!

10. What is the Earth's atmosphere made out of?

A. Hydrogen and Helium B. Carbon Dioxide, Nitrogen and Argon: Correct! C. Hydrogen, Helium and Methane D. Water, Hydrogen and Ammonia

11. The inside of Jupiter is actually the size of Earth (almost 13,000 miles) ! True or False : Correct!

12. Describe what happened to the water on Mars. Evidence suggests that Mars once had rivers, streams, lakes and even an ocean. As Mars' atmosphere slowly depleted into outer space the surface water began to permanently evaporate. Today the only water on Mars is either frozen in polar caps, or underground. Correct! **

Rachel Philpot Sub Topic: Pluto as a Planet 13. It takes Pluto 90, 465 days to orbit the sun. 14. True, Pluto is about half the size of the United States. 15. Pluto is named after the Greek God of the Underworld.