Unit 6: Seasons & Moon Phases

Front

What causes the seasons on Earth?

Back

The tilt of the Earth's axis and its orbit around the Sun cause the seasons.

Front

What is the equinox?

Back

An equinox is a time when day and night are approximately equal in length, occurring in spring and autumn.

Front

What is the longest day of the year called?

Back

The longest day of the year is called the Summer Solstice, which occurs around June 21.

Front

What is the shortest day of the year called?

Back

The shortest day of the year is called the Winter Solstice, which occurs around December 21.

Front

How long does it take for the Earth to complete one rotation?

Back

It takes approximately 24 hours for the Earth to complete one rotation.

Front

What is the phase of the moon when it is completely illuminated?

Back

The phase of the moon when it is completely illuminated is called the Full Moon.

Front

What is the phase of the moon when it is not visible from Earth?

Back

The phase of the moon when it is not visible from Earth is called the New Moon.

Front

Why do we see different phases of the moon?

Back

We see different phases of the moon because of its position relative to the Earth and the Sun.

Front

What is the term for the path the Earth takes around the Sun?

Back

The path the Earth takes around the Sun is called an orbit.

Front

What is the effect of the Earth's tilt on sunlight received?

Back

The tilt of the Earth affects the angle and intensity of sunlight received, leading to seasonal changes.