Earth, Moon, and Sun

Front

What causes the seasons?

Back

The tilt of Earth's axis.

Front

How many high tides and low tides do most coastal areas have each day?

Back

Two high tides and two low tides.

Front

What best describes a waxing crescent moon?

Back

The moon is less than half illuminated and increasing.

Front

What is the primary reason for solar eclipses?

Back

The moon passes between the Earth and the sun.

Front

During which phase of the moon is a solar eclipse possible?

Back

New moon.

Front

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

Back

Elliptical.

Front

What is the term for the time it takes for the moon to complete one full orbit around the Earth?

Back

Lunar month (approximately 29.5 days).

Front

What is the effect of the Earth's tilt on climate?

Back

It causes variations in sunlight, leading to different seasons.

Front

What is a lunar eclipse?

Back

When the Earth passes between the sun and the moon, blocking sunlight from reaching the moon.

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; a lunar eclipse occurs when the Earth passes between the sun and the moon.