science ch 16

3 Responses | Created by tashemiajones |
  1. 1

    Mercury, Venus., Earth and Mars are

  2. 2

    these planets have small and have rocky surfaces

  3. 3

    time it takes for a planet to spin once around on its axis. Makes day and night

  4. 4

    time it takes a planet to orbit the sun

  5. 5

    Earth- is made of how much oxygen, and the rest is mostly nitrogen

  6. 6

    70% of the earth's surface is covered by

  7. 7

    how many layers does the earth have

  8. 8

    name the earths 3 layers

  9. 9

    how many large moons does the earth have

  10. 10

    Mercury is closet to the sun

  11. 11

    mercury is larger than the moon

  12. 12

    Mercury's surface is _______________________from meteor strikes

  13. 13

    Mercury's atmosphere is

  14. 14

    Planet known as the evening star & morning star

  15. 15

    this planet is known as the earth's twin

  16. 16

    Venus' day is longer than it's year because it

  17. 17

    venus rotates from

  18. 18

    called the red planet

  19. 19

    Mars have canals

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