Moon Phases, Tides, Eclipses & Seasons STUDY GUIDE

Which statements are true about how the Earth and moon move? Mark all that apply.

• The moon revolves around Earth in just under one month (29.5 days).
• The moon revolves around Earth 24 hours.
• The Earth revolves around the sun every 365 days.
• The moon rotates.
• The Earth rotates.

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NGSS.MS-ESS1-1

Which sentence accurately explains why we see different moon phases from Earth?

• The moon physically changes its shape and size.
• The moon is revolving around the Earth, we see different amounts of the lighted and dark side.
• The Earth is almost always casting a shadow on the moon.
• The moon is almost always casting a shadow on the Earth.

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NGSS.MS-ESS1-1

What would Earth’s ocean look like in the following situation? H= high tide, L= low tide

• a.
• b.
• c.
• d.

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NGSS.MS-ESS2-4

Which sentence is true about tides?

• Tides happen ONLY due the moon’s gravity.
• Tides happen ONLY due the sun’s gravity.
• Tides happen due to both the moon’s and the sun’s gravity, but the moon has the greater effect because it’s closer than the sun.
• Tides happen due to both the moon’s and the sun’s gravity, but the sun has the greater effect because it’s bigger than the moon.

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NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which moon phases cause the strongest tides (spring tides), and why?

• First and third quarter moons because the moon and sun's gravity are working together.
• First and third quarter moons because the moon and sun's gravity are working against each other.
• New and full moons because the moon and sun's gravity are working together.
• New and full moons because the moon and sun's gravity are working against each other.

Tags

NGSS.MS-ESS1-1

Which moon phases cause the weakest tides (neap tides), and why?

• First and third quarter moons because the moon and sun's gravity are working together.
• First and third quarter moons because the moon and sun's gravity are working against each other.
• New and full moons because the moon and sun's gravity are working together.
• New and full moons because the moon and sun's gravity are working against each other.

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NGSS.MS-ESS1-1

Why do eclipses not happen often?

• Eclipses can only happen during the spring months.
• Eclipses only happen when the sun, Earth, and moon are aligned horizontally and form a straight line.
• Eclipses happen because the Earth's rotational axis is 23.5 degrees.
• Eclipses only happen during leap years.

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NGSS.MS-ESS1-1

Position​ ​ (a)   shows the relative positions of Earth, the moon, and the sun during a lunar eclipse.

• 5
• 2
• 3
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• 8
• 1

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NGSS.MS-ESS1-1

Position ​​ (a)   shows the relative positions of Earth, the moon, and the sun during a solar eclipse.

• 1
• 2
• 3
• 4
• 5
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• 8

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NGSS.MS-ESS1-1

What statements are true about eclipses? Mark all that apply

• When a solar eclipse occurs, the moon blocks out the sun and casts a shadow on Earth.
• When a lunar eclipse occurs, the moon blocks out the sun and casts a shadow on Earth.
• When a lunar eclipse occurs, the Earth casts a shadow on moon.
• A total lunar eclipse can cause the moon to turn red.
• A total solar eclipse can cause it appear to be nighttime during the day.

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NGSS.MS-ESS1-1