CUA Unit 5 Review: Sun, Earth, and Moon

Front

What is Earth's rotation?

Back

Earth's rotation is the spinning of Earth on its axis, which takes approximately 24 hours to complete, resulting in day and night.

Front

What happens to the Moon's appearance from new to full?

Back

As the Moon goes from new to full, we observe an increasing change in the lit side of the Moon, known as waxing.

Front

What celestial bodies primarily affect ocean tides?

Back

The Sun and the Moon have the greatest effect on Earth's ocean tides due to their gravitational pull.

Front

What is a full moon?

Back

A full moon occurs when the entire face of the Moon is illuminated by the Sun, making it fully visible from Earth.

Front

What occurs during a lunar eclipse?

Back

During a lunar eclipse, the Earth passes between the Sun and the Moon, blocking sunlight from reaching the Moon.

Front

Define revolution in the context of Earth.

Back

Revolution refers to the Earth's orbit around the Sun, which takes about 365.25 days to complete, resulting in the changing seasons.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of Earth on its axis, while revolution is the movement of Earth around the Sun.

Front

What is the significance of the Moon's phases?

Back

The Moon's phases are significant as they indicate the relative positions of the Earth, Moon, and Sun, affecting visibility and tides.

Front

What is a new moon?

Back

A new moon occurs when the Moon is positioned between the Earth and the Sun, making it invisible from Earth.

Front

What is a solar eclipse?

Back

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