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Sun, Moon, Earth
Position of Sun, Moon, Earth
Term | Definition |
---|---|
How often do spring and neap tides occur? | two spring tides and two neap tides each month |
Why are tides continually lowering and rising each day? | The position of the moon is constantly changing. |
cause of the moon's light | The sunlight reflects off the moon's surface. |
phase where the moon is directly between the earth and the sun | New Moon |
phase where the moon receives sunlight only on the side facing away from the earth | New Moon |
phase where the moon and the sun are on opposite sides of the earth | Full Moon |
What is the moon's relationship to the earth? | The moon revolves around the Earth one revolution each month. |
meaning of waxing | getting bigger |
meaning of waning | getting smaller |
meaning of gibbous | fat |
order of the moon phases starting with new moon | new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, third quarter, waning crescent |
length of time it takes the moon to revolve around the earth | 27.3 days |
Why do we always see the same side of the moon? | The Earth and moon rotate in the same direction at about the same speed, so the same side of the moon is always facing Earth. |
cause of lunar eclipse | Earth's shadow falls on the moon |
moon phase needed for a lunar eclipse | Full Moon |
What causes the moon to look red during a lunar eclipse? | The Earth's atmosphere refracts the sunlight and indirectly lights up the moon's surface. |
main cause of ocean tides | gravitational pull of the moon |
tide that occurs when the sun, moon, and earth are in a straight line | spring |
tide that occurs when the sun, earth, and moon are at a right angle | neap |
phases of the moon that cause a neap tide | first quarter and third quarter |
two things that cause seasons | tilt of the Earth and it revolution around the sun |
moon phase needed for a solar eclipse | New Moon |
why an eclipse doesn't happen each month | The moon is tilted 5 degrees. |
Why does the equator absorb more heat than the poles? | It gets more direct sunlight. |