Earth, Moon, and Sun Unit Exam

What type of data does this picture show?

• Orbital Period and number of Moons

• Orbital Period and Escape Speed

• Relative Distance from the Sun and Orbital Period

• Escape Speed and Distance from the Sun

Which statement best explains what the orbits in Figure 4 show about the role of gravity in the motions of the Earth–Moon system?

• The force of gravity between Earth and the Moon causes the Moon to orbit Earth while the Earth–Moon system orbits the Sun

• The force of gravity between the Moon and the Sun causes the Moon to orbit Earth while the Earth–Moon system orbits the Sun.

• The force of gravity acts separately between Earth and the Sun and between the Moon and the Sun to cause the motions of the Earth–Moon system.

• The forces of gravity between Earth and the Sun and between the Moon and the Sun are equal and do not affect the motions of the Earth–Moon system

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What moon phase would be seen from Earth when the moon is at position 2?

• new moon
• waxing gibbous

• waxing crescent

• first quarter

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Which of the following best describes equinox.

• The days of the years when the Northern and Southern Hemisphere receive the same amount of direct sunlight

• "Equal Night"

• September 21 or 22

• All of the above

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A ​ (a)   Eclipse occurs when light from the ​ (b)  

is not reflected from the ​ (c)   because it is in the shadow of the ​ (d)  

• solar 
• Lunar
• Sun
• Moon
• Earth

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8. The diagrams show Earth and the Moon in different positions, as seen from above (top view). Sunlight is coming from the left, but these diagrams do not show what parts of Earth or the Moon are light or dark.

Could the half of the Moon that faces Earth ever be completely dark in any of these diagrams?

• No, the Moon is always lit by the sun

• Yes. always in Diagrams 1 and 2, but never in Diagram 3

• Yes, always in Diagram 2, but never in Diagrams 1 or 3

• Yes, always in Diagram 2 and rarely in Diagram 1

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Which of the following is responsible for the changing of seasons on Earth?

• Orbit of Earth around the Sun and Rotation of Sun

• Tilt of the axis of Earth and orbit of Earth around the Sun

• Orbit of Earth around the Sun and Rotation of Earth

• Rotation of Earth and Rotation of Sun

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Label the following features:

a

b

c

d

e

Moon's Orbit

Umbra

Partial Eclipse

Total Eclipse

Penumbra

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If a Neap Tide occurs during a Half Moon (Waxing or Waning), when does a Spring Tide occur?

• Only in the Spring Season

• During a New Moon and Full Moon

• Also during a Half Moon (Waxing and Waning)

• The tides are always at Neap Conditions

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Select the best TWO answers about stars

• Orbit Planets

• Are Orbited by Planets

• Made of Rock

• Provide Energy to their Solar System