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Flashcards in sun,moon,earth Deck (13):
1

how was the moon created?

When a mars sized asteroid crashed into earth, pieces went flying everywhere at different speeds, they eventually clumped together

2

does the same side of the moon always face the sun

no

3

how many phases does the moon have

8

4

how long is the moon cycle

29.5

5

What is the difference between revolution and rotation

revolution is the circling of one object around another and rotation is the spinning of an object on its axis

6

define orbit

the path of revolution

7

how are tides created

because of the gravitational pull between the sun and the moon on the Earth's oceans

8

What is the largest tide

Spring tide, when the sun, moon and earth are aligned

9

What is the smallest tide

Neap tide, when the moon is at a 90 degree angle from the earth and sun

10

what is a solar eclipse

when the moon passes between the sun and earth creating a shadow

11

what is a lunar eclipse

when the moon passes directly behind earth

12

Why is the equator the hottest place on earth

because the sun hits it most directly

13

What is the difference between the season and day and night cycle

Season is the changing of seasons due to revolution and tilt
Day/night cycle is the changing of day and night due to rotation of the earth on its axis