Unit 9 Study Guide

Why does the moon orbit Earth?

• Solar Winds

• Magnetic forces

• Gravity

• Tidal forces

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NGSS.MS-PS2-4

What force keeps satellites, including the moon, orbiting Earth?

• Gravitational force

• Magnetic force

• Electromagnetic force

• Nuclear force

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NGSS.MS-PS2-4

How does the tilt of the Earth on its axis affect temperatures in different seasons?

• It causes the Earth to be closer to the sun in summer.

• It has no effect on temperatures.

• It makes the Earth warmer in winter.

• It causes the seasons to change, leading to varying temperatures.

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NGSS.MS-ESS1-1

What is an equinox?

• • A rare astronomical event when all planets in our solar system align in a straight line

• The time when day and night are of equal length

• • The period when Earth's magnetic poles temporarily reverse polarity

• • A solar eclipse that occurs exactly at the North or South Pole

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Identify the two positions of an equinox in the sketch.

• Position A and Position B

• Position C and Position D

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What happens when the Sun and tilt of the Earth when it is winter in the Northern Hemisphere and summer in the Southern Hemisphere?

• The Northern Hemisphere has summer while the Southern Hemisphere has winter due to the Earth's rotation.
• Both hemispheres experience winter simultaneously because of the Sun's position.
• The tilt of the Earth has no effect on seasonal changes in either hemisphere.
• Earth's tilt creates opposite seasons in Northern and Southern Hemispheres simultaneously.

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NGSS.MS-ESS1-1

What happens when the Sun and tilt of the Earth when it is summer in the Northern Hemisphere and winter in the Southern Hemisphere?

• Both hemispheres experience summer simultaneously because the Sun is directly overhead at the equator.
• The Northern Hemisphere has winter while the Southern Hemisphere has summer due to the Earth's tilt away from the Sun.
• The tilt of the Earth has no effect on the seasons; they are caused by the distance from the Sun.
• Earth's tilt causes summer in the Northern Hemisphere and winter in the Southern Hemisphere simultaneously.

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NGSS.MS-ESS1-1

What causes a solar eclipse?

• The Moon passes between the Earth and the Sun

• The Earth passes between the Sun and the Moon

• The Sun passes between the Earth and the Moon

• The Moon passes behind the Earth

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The order of the sun, earth and moon during a solar eclipse.

• Sun, Moon, Earth

• Sun, Earth, Moon

• Earth, Sun, Moon

• Moon, Sun, Earth

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In what phase is the moon during a solar eclipse?

• The moon is in the new moon phase during a solar eclipse.

• The moon is in the full moon phase during a solar eclipse.

• The moon is in the first quarter phase during a solar eclipse.

• The moon is in the last quarter phase during a solar eclipse.

Tags

NGSS.MS-ESS1-1