Sun-Earth-Moon System Review

Front

What does it mean when the moon is waxing?

Back

The illuminated part of the moon is increasing, meaning it is getting bigger and brighter.

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Front

What are moon phases?

Back

The different angles of the moon's lit surface as it revolves around Earth, resulting in various appearances of the moon.

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Front

What causes different seasons on Earth?

Back

The revolution of Earth around the sun and the tilt of Earth's axis.

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Front

What does 'waning' mean?

Back

The illuminated part of the moon is decreasing, meaning it is getting smaller and darker.

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Front

What is the effect of Earth's axial tilt on seasons?

Back

It causes opposite seasons in the Northern and Southern Hemispheres.

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Front

What is a lunar eclipse?

Back

An event where the Earth comes between the sun and the moon, causing the Earth's shadow to cover the moon.

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Front

What are tides?

Back

The rise and fall of sea levels caused by the gravitational forces exerted by the moon and the sun.

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Front

What is the difference between a solar eclipse and a lunar eclipse?

Back

A solar eclipse occurs when the moon passes between the Earth and the sun, blocking the sun's light; a lunar eclipse occurs when the Earth passes between the sun and the moon.

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Front

What is the significance of the moon's phases in relation to Earth?

Back

They help in understanding the moon's position relative to Earth and the sun, affecting tides and cultural calendars.

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Front

How long does it take for the moon to complete one full cycle of phases?

Back

Approximately 29.5 days.

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