Third Grade Astronomy

Learning the Planets!

Topic: Solar System

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Instructions: Hello Earthings! You have a mission on your hands! It is your responsibility to read each of the following questions carefully and then click the link in that question to blast off to another website. You will be navigated to a webpage that contains the answer to your question. Find the answer to your question, and be sure to read over the whole page. Space journeys have hidden obstacles and these questions do too. Click the links because they have important information! Good luck, hope you make it out okay!


Subtopic: The Inner Planets

Questions:

1. Of the inner planets, which one would be MOST likely able to support life (besides earth)?

2. What makes Venusdifferent than all the other planets?

3. Why does Mercury have such a large temperaturerange?

Subtopic: The Outer Planets



1. How many outer planets are there? Name them.

2. Jupiter is known for having a large number of moons. How many does it have? Which moon has volcanic activity?

3. What makes Uranus unique from other planets? How do scientists think this happened?


Subtopic: The Moexternal image moon-1.jpgons of Planets

1) Website: http://nineplanets.org/luna.html

Question: What spacecraft first visited Earth’s moon, and when?

2) Website: http://www.go-astronomy.com/planets/planet-moons.htm

Question: How many moons does the planet Jupiter have?

3) Website: http://www.spacetoday.org/SolSys/Moons/MoonsSolSys.html

Question: What is unique about Saturn’s moon Iapetus?

Subtopic: Asteroids and Comets

Questions:

1. What are asteroids made of? Is it possible for an asteroid to have other asteroids orbit around it? If so, give an example.

2. What are comets? How many parts does a comet have? Name parts starting with the inner most part, and ending with the outer most part.

3. One of the most famous comets in history, the Halley’s Comet, appears how often?