| Scaling | Seasons | Time | Vocab | Seasons - Part 2 |
|---|---|---|---|---|
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To help us better understand scientific concepts that are too far away, too big or too small to be seen.
What are scientific models used for?
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The tilt of Earth's axis.
What is the reason for seasons?
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Earth's rotation
What about the S-E-M system creates a day?
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An imaginary line that a planet rotates on.
What is an axis?
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Summer, Fall, Winter, Spring
State Earth’s four seasons.
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A model that shows an object's correct size.
What is a scale model?
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When Earth is tilted towards the Sun.
How is summer created?
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24 hours
How long does it take Earth to rotate on its axis?
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To spin on its axis.
Define rotate
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The Earth is NOT tilted towards or away from the Sun. Comes after winter.
What about the S-E-M system creates spring?
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Sun, Earth, Moon
Rank the following objects from largest to smallest: Moon, Sun, Earth
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When Earth is tilted away from the Sun.
How is winter created?
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Earth revolving around the Sun
What about the S-E-M creates a year?
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To circle around another object.
Define revolve
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The Earth is NOT tilted towards or away from the Sun. Comes after summer.
What about the S-E-M system creates fall?
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Sun-Basketball, Earth-tennis ball, Marble-moon
Using a tennis ball, basketball, and a marble, Correctly identify which can be used for the Earth, The Sun, and the Moon.
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Winter = less direct light and
Summer = More direct light
Compare the angles of the sun in winter vs. summer.
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A year or 365 days
How long does it take the Earth to revolve completely around the Sun?
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The path an object travels during its revolution.
Define orbit
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There would be no seasons.
What would happen to Earth’s seasons if Earth’s axis wasn’t tilted?
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No, the Sun should be larger than the Earth for the model to be to scale.
Would a model of the Sun and Earth be to scale if the Sun were smaller than the Earth? Explain your answer.
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It is colder because in winter the Earth is tilted away from the Sun.
Explain how it is colder in the winter if Earth is closer to the Sun.
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The Moon revolving around the Earth.
What about the S-E-M system creates a month?
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......
Pick up an object and model it rotating and revolving.
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It is warmer in the summer because Earth is tilted towards the Sun.
Explain how it is warmer in the summer if Earth is farther away from the Sun.
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