Module 11 Review: Sun-Earth-Moon System

Front

What causes summer in a hemisphere?

Back

Summer occurs in the hemisphere of Earth that is tilted toward the Sun.

Front

How long does it take for the Moon to make one revolution around Earth?

Back

The Moon makes one revolution around Earth in the same amount of time that it makes one rotation on its axis, approximately 27.3 days.

Front

What does 'waxing' mean in relation to the Moon's phases?

Back

Waxing refers to the phases of the Moon during which more of the Moon is visible each night, leading up to a full moon.

Front

Does the Sun revolve around Earth?

Back

No, the Sun does not revolve around Earth; Earth revolves around the Sun.

Front

What does 'waning' mean in relation to the Moon's phases?

Back

Waning refers to the phases of the Moon during which less of the Moon is visible each night, following a full moon.

Front

What is the shape of Earth's orbit around the Sun?

Back

Earth's orbit around the Sun is an ellipse.

Front

What is the significance of the tilt of Earth's axis?

Back

The tilt of Earth's axis (approximately 23.5 degrees) is responsible for the changing seasons.

Front

What is a lunar eclipse?

Back

A lunar eclipse occurs when the Earth passes between the Sun and the Moon, causing the Earth's shadow to cover the Moon.

Front

What is a solar eclipse?

Back

A solar eclipse occurs when the Moon passes between the Sun and Earth, blocking the Sun's light from reaching Earth.

Front

What are the phases of the Moon?

Back

The phases of the Moon include new moon, waxing crescent, first quarter, waxing gibbous, full moon, waning gibbous, last quarter, and waning crescent.