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 The Movement of the Moon 50 Flashcards |
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What is the primary reason we only see one side of the Moon from Earth? |
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One side visible due to synchronous rotation.
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The Moon rotates on its axis in approximately ___ days. |
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 The Moon rotates on its axis in approximately 28 days. |
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True or False: The far side of the Moon was first photographed by the Soviet Luna spacecraft in 1959. |
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 True. |
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Fill in the blank: The force of ___ between the Earth and the Moon keeps the Moon’s near side facing us. |
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 Gravity |
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Riddle: I spin like a top, yet always show the same face. What am I? |
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 The Moon. |
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What two key movements does the Moon perform in relation to the Earth? |
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 The Moon performs two key movements: it rotates on its axis and revolves around the Earth. |
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The side of the Moon that cannot be seen from Earth is called the ___ side. |
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 Far |
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True or False: The Moon's rotation and revolution happen at different rates, which allows us to see both sides of the Moon. |
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False. The Moon's rotation and revolution happen at the same rate, which is why we only see one side. |
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What is the definition of revolution in the context of the Moon's movement? |
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Revolution is when the Moon travels around the Earth in its orbit, taking about 28 days to complete one orbit. |
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The gravitational force between the Earth and the Moon prevents the Moon from ___ away. |
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 Drifting |
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True or False: The Moon does not rotate; this is why we only see one side from Earth. |
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 False. The Moon does rotate; we see the same side due to synchronous rotation. |
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Riddle: I am a celestial body that orbits a planet, taking 28 days to complete my journey. What am I? |
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 The Moon |
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Fill in the blank: The Moon revolves around the Earth, and together they revolve around the ___ in 365.25 days. |
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 Sun |
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What keeps the Moon in its elliptical orbit around the Earth? |
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 The force of gravity between the Earth and the Moon. |
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How long does the Moon take to complete one full revolution around the Earth? |
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 About 28 days. |
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Fill in the blank: The Moon's orbit around the Earth is ___ in shape. |
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 Elliptical |
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What phenomenon causes us to see only one side of the Moon from Earth? |
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Synchronous rotation explains lunar visibility.
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Fill in the blank: The far side of the Moon was first photographed by the Soviet Luna spacecraft in ___. |
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 1959 |
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True or False: The far side of the Moon is also known as the dark side. |
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True, but it is important to note that the far side receives sunlight; it is simply not visible from Earth. |
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Riddle: I am a celestial body that spins on my axis and travels around the Earth, taking 28 days for each. What am I? |
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 The Moon |
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What is the term for the imaginary line through the Moon’s center around which it rotates? |
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 Axis |
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Fill in the blank: The Moon's path as it revolves around the Earth is called its ___. |
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 Orbit |
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Explain how gravity affects the Moon's orbit around the Earth. |
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Gravity keeps the Moon in orbit.
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What are the two primary movements of the Moon and how long does each take? |
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 The two primary movements of the Moon are rotation and revolution, both taking about 28 days. |
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Fill in the blank: The reason we only see one side of the Moon from Earth is that its rotation and revolution take the same amount of time, approximately ___ days. |
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 28 |
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