Chp 2 summary

How does basic life on earth exist

• animals

• distance from the sun in our solar system

• distance from the last planet in our solar system, creating a gravitational pull

• the reflection from the moon onto the earth for all of our plants

How did the Earth form its surface

• pressure from the sun

• the reflection growing grains of dirt

• pressure from below the earths crust

• dirt appeared

What are the four inner planets in our solar system

• Mercury, Venus, Earth, Mars
• Jupiter, Saturn, Uranus, Neptune
• Venus, Earth, Mars, Jupiter
• Mercury, Venus, Mars, Jupiter

What are the four OUTER planets in our solar system

• Mars, Jupiter, Saturn, Uranus
• Jupiter, Saturn, Uranus, Neptune
• Mercury, Venus, Earth, Mars
• Venus, Earth, Mars, Jupiter

The Inner planets are...

• Solid,Rocky

• Gas giants

• less dense

the outer planets are...

• gas giants, less dense

• rocky, solid

• round and flat

• not real

only earth's relation to the sun allows...

• Food

• Liquid

• a map

of how many planets are we the only relation to the sun that allows liquid water

• 9

• 10

• 8

• 6

what percent of the surface of the earth is water

• 71

• 70

• 69.74

• 10

what percent of the earth is covered by land

• 29.26

• 30

• 45

• 90