Earth’s Movement in Space

Pegasus is a group of stars visible in the northern hemisphere. Why don’t we see it all year?

• Earth’s rotation on its axis

• The Sun’s movement across the sky

• The Moon’s orbit around the Earth

• Earth’s movement around the Sun

Observing the sun throughout the day over the same location will show the sun in different parts of the sky. What causes this?

• Orbit of Earth around the sun.

• Movement of the Sun through space.

• rotation of the Earth on its axis

• Reflection of the Sun off the Moon.

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What is the force that keeps Earth in its orbit around the Sun?

• Gravity

• Speed

• Motion

• Weight

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What is the spinning motion of a planet on its axis?

• Orbit

• Rotation

• Satellite

• revolution

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An object with greater __________ is more difficult to start or stop?

• Inertia

• Planetary force

• Gravitational force

• Keller’s force

What is the Law that says every object in the universe attracts every other object?

• Conservation of matter

• Superposition

• conservation of energy

• Universal gravitation

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What word do we use to describe one object moving around another object?

• Orbit

• Rotation

• Revolution

• Gravity

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Which best explains why we have night?

• Clouds cover the Sun on that part of Earth

• That part of Earth is pointed away from the Sun

• The shadow of the moon falls on that part of Earth

• temperature gets low

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NGSS.MS-ESS1-1

The sun appears to rise in the east and set in the west. What change would cause the Sun to appear to rise in the west and set in the east?

• Earth rotating in the opposite direction

• Earth rotating twice as fast

• Earth moving closer to the sun

• Earth moving around the sun in the opposite direction

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NGSS.MS-ESS1-1

What factors determine the strength of the force of gravity?

• Interim, gravity, and weight

• Shape of the object

• Speed of the object divided by the weight

• Size and distance between the objects

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