Conditions necessary for life on a planet

1.      Give two facts  about  planets that are  further away from the sun.

Tags

NGSS.MS-ESS1-3

2.     According to the passage, what are two  reasons why life may not exist on Mercury.

3. 3. Why is  Venus more  suitable for  plants than for humans?

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NGSS.MS-LS1-5

4. 4. What  three reasons  are  given to  explain  why  humans  will not survive on  Venus?

5. 5. Earth is the only planet that  we  know of that has ____________________.

• Air

• water

• land

• Aliens

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NGSS.MS-ESS2-4

6. 6.   What led scientists to believe that there is water on Mars?

• They saw evidence of soil erosion.

• The scientists were wet when they got back to the space ship

• The aliens told them so.

• There was a large pool of water.

7. 7. What is the  major difference between Earth and Mars?

8. 8.      According to the  text, what are  the four  conditions that are necessary for  life to exist on a planet?

• The planet must be the right distance from the sun.

• The planet must be made of land and not only gas.

• The planet must have a lot of carbon dioxide and little oxygen.

• The planet must have a protective atmosphere that provides warmth and protection from radiation.

• The planet must have liquid water