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35 Cards in this Set
- Front
- Back
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Why doesn't eclipses happen all the time with moon |
Because the moon's orbit is tilted |
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What time do do neap and spring tides happen |
Spring tide happens for a new moon to full Moon tide happens during third quarter and first quarter |
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What is the most accepted theory of the moon's formation |
The impact hypothesis is when Earth was hit by another planet and the leftover chunks got stuck in its gravity forming our moon |
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How old is our moon and how do you know |
The Moon is 4.5 billion years old and we know this since astronauts took rocks from Moon and scientists dated it on Earth |
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What is the difference between perigee and apogee |
Perry g is closest to Earth and apogee is farthest |
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Why does Earth only see one side of the moon |
The moon's rotation and revolution is the same 27.3 days |
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What determines moon phases |
We see the moon flipside in different angles |
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Is half the moon always light and half dark |
Yes |
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Explain why we still see astronauts footprints still on the Moon from 1960's |
There is no atmosphere so there is no erosion |
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What is the moon's rotation and revolution direction |
Counterclockwise |
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What is a 2 scale model give an example |
It is a model that is giving accurate example that is increased and decreased by the same percentage and example is is a model showing the distance between planets |
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What is the gravity of the Moon |
1/6 of Earth's |
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What is a not to scale model give an example |
it is a model used to show information/gets ideas across an example is a model showing all eight planets even though distance is not accurate |
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The moon's size is roughly ________ the size of Earth |
1/4 |
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What rock is found on the moon |
Basalt rock |
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Know the phases of the moon in order going counter-clockwise around the Earth |
New moon waxing crescent first quarter waxing gibbous full moon waning gibbous third quarter waning crescent |
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What is a phase what is the difference between the waxing and waning period |
A phase is the amount of reflected sunlight we see Slash the amount of the moons lit surface we see. The waxing period Is when the lit part is increasing while the waning period is decreasing |
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Be able to tell the difference between a lunar and solar eclipse |
A lunar eclipse is when the earth is covering the moon but the gas and sunlight cause it to be right the solar eclipse is when the moon is covering the sun |
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For a solar eclipse the moon needs to be in this phase |
New moon |
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For a lunar eclipse the moon needs to be in this phase |
Full moon |
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Which eclipse is rare and which eclipse does more people get to see |
Solar eclipses are rare since its embrace Mall while Lunar eclipses half of the world gets to see |
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What are the two shadows that occur during an eclipse |
Penumbra and umbra |
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Satellite |
Is anything natural that orbits a planet in space |
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Rilles |
Trench like valleys |
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Highlands |
Mountains on Moon |
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Marias |
Seas dark flat areas on the moon's surface caused by lava flow |
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Craters |
Holes in the Moon from asteroids that have hit it |
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Model |
Show us things in model so easier to understand. A standard example for comparison |
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Basalt |
Rock found on Moon |
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Terminator |
The line between light and dark line between night and day |
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Scale |
Something that is accurate and is increased and decreased by the same percentage |
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Illuminate |
To shine light on an object and make it visible |
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Waning period |
When the moon's light is decreasing from full Moon to New Moon |
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Waxing period |
When the lighted side of the Moon is increasing from New Moon to full Moon |
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Not to scale |
Comparing objects |
