Understanding the Universe Big Moon Phases

What does the Big Bang Theory explain about the universe's origin?

• The universe is static and unchanging.

• The universe has always existed in its current form.

• The universe was created by a series of explosions.

• The universe began about 13.8 billion years ago from a single point.

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What happens to the universe since the Big Bang?

• It has been contracting.

• It has been expanding.

• It has remained the same size.

• It has been collapsing into a black hole.

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NGSS.HS-ESS1-2

Which model of the universe suggests that Earth is at the center?

• The heliocentric model

• The geocentric model

• The elliptical model

• The astronomical model

What is the primary difference between the heliocentric and geocentric models?

• The heliocentric model places the Earth at the center, while the geocentric model places the Sun at the center.

• The heliocentric model suggests the Sun is at the center, while the geocentric model places Earth at the center.

• Both models suggest that the planets orbit around the Earth.

• The heliocentric model is based on ancient beliefs, while the geocentric model is scientifically proven.

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Which of the following statements accurately describes gravity?

• Gravity is a concept that only applies to Earth.

• Gravity only affects large objects like planets.

• Gravity is the force that pulls objects toward each other.

• Gravity is the force that pushes objects away from each other.

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NGSS.MS-PS2-5

What does inertia refer to in the context of motion?

• The force that pulls objects toward each other.

• The tendency of an object to resist changes in its state of motion.

• The gravitational pull of an object.

• The speed at which an object travels.

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NGSS.MS-PS2-2

How do gravity and inertia work together in the solar system?

• Gravity pulls planets toward the Sun, while inertia keeps them moving in a straight line.

• Both forces act independently of each other.

• Inertia pulls planets toward the Sun, while gravity keeps them stationary.

• Gravity and inertia are the same force acting on planets.

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NGSS.MS-ESS1-2

Which phase of the Moon occurs after the Full Moon?

• Waxing Gibbous

• First Quarter

• New Moon

• Waning Crescent

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NGSS.MS-ESS1-1

What phase of the Moon occurs when it is positioned between Earth and the Sun?

• Waning Gibbous

• Waxing Crescent

• Full Moon

• New Moon

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NGSS.MS-ESS1-1

What does the term 'waxing' refer to in the context of the Moon's phases?

• The Moon is stationary.

• The Moon is becoming less visible.

• The Moon is getting brighter.

• The Moon is in its final phase.

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NGSS.MS-ESS1-1