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6SCI Solar System-1
Chapter 11 - A Family of Planets
| Question | Answer |
|---|---|
| What are the four, rocky planets known as? | terrestrial planets |
| What are the four outer planets, composed mostly of gases, known as? | gas giants |
| A day on Mercury is about how many Earth days? | about 60 |
| How many Mercury years are equal to one Earth year? | 4 |
| Where do scientists think the water on Mars is now? | Under the planet's surface |
| What are the famous rings of Saturn made of? | icy particles |
| What gives the rings of Saturn their different colors? | different chemicals |
| What is another name for the moon? | Luna |
| What are natural or artificial bodies that revolve around larger bodies such as planets called? | satellites |
| What do some scientists think the two moons of Mars actually are? | asteroids that got caught by Mar's gravity |
| What is the name of the mission that went to Mars? | the Pathfinder Mission |
| What was the little rover that gave us the up close pictures of Mars? | Sojourner |
| What was the name given to th people who used to worship the moon? | lunatics |
| What does the word "planet" come from? | the Greek word "wanderers" |