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22 Cards in this Set
- Front
- Back
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What causes day and night?
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Earth's rotation on its axis.
Day-facing the sun Night-facing away from the sun |
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If the Earth's revolution were to speed up what would this cause?
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it would cause shorter year and shorter seasons
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If the Earth's revolution were to slow down what would this cause?
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it would cause a longer year and longer seasons
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If the earth did not tilt on its axis what would this cause?
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the seasons would never change and there would always be one season
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Compare and contrast revolution and rotation. Give examples of each.
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Revolution: going around something
ex: running in circles, the earth revolves around the sun Rotation: spinning in one spot ex: spinning a basketball on your finger, earth rotates on its axis |
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What is the day with the most sunlight called?
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Summer Solstice
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What is the date of the Summer Solstice?
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June 21st
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When is the Fall Equinox?
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September 21st
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What happens on the Fall Equinox
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the days (light) and nights (dark) are equal hours
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If the Sun, Moon, and Earh are aligned in that order, what phase would you see from Eart? Exaplain.
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New moon because from earth we would see the side of the moon that the sun is not shing on so we would see the dark side (new moon) from earth
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During a solar eclipse, we cannot see the ________ bcause of the _______ shadow.
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sun, moons
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During a lunar ecliose, we cannot see the ________ because of the _________ shadow
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moon, earths
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During a Solar Eclipse, what phase is the moon in? How do you know this?
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new moon because the moon i casting a shadow on the earth and the moon is betwee the sun and the earth
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During a Lunar Eclipse, what phase is the moon in? How do you know this?
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full moon because the earth is casting a shadow on the earth and because the earth is between the sun and moon
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In a partial solar eclipse, what shadow is the cause?
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penumbra
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In a full solar eclpise, what shadow is the cause? Why do we not have these as often?
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umbra because the umbra shadow is muh samller because of the moons size compared to the size of the sun
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Are the umbra and penumbra as important for a lunar elcipse? Why or Why not?
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No becasue the umbra and penumbra only occur during a partial lunar eclipse
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What causes tides?
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the moons gravitational pull
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When I am visiting the ocean, I notice that I have to move my towels bacj around 3-4 pm. Why does this happen and what is causing this to happen?
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this happens because there is a high tide and this happens because the moons gravitational pull is rising from the east and ncreasing, towards the equator
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The moons gravitational pull lessens on the east coast during _______ tide because......
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low, because the moon is setting in the west sky and does not have as much pull on the water
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When the sun, moon, and earth are aligned, we will have a _______ tide. This occurs during which moon phases? And how does this affect the tides?
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spring, noew and full moons
the tides get higher, there will be higher tides and higher low tides |
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When the moon, earth, and sun make a 90 dgree angle. we will have a ________ tide. This occurs during which moon phases? And how does this affect the tides?
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neap, 1st and 3rd quater moons
tides get lower, there will be lower low tides and lower high tides |
