Earth Moon Sun System Pre-Test

Front

What is a lunar eclipse?

Back

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

Tags

NGSS.MS-ESS1-1

Front

Why do we have a leap year?

Back

We have a leap year every four years to account for the extra 0.25 days it takes for Earth to complete its orbit around the Sun, resulting in a 366th day.

Front

How long does it take for the Earth to spin once on its axis?

Back

It takes approximately 24 hours for the Earth to complete one full rotation on its axis.

Front

What is the duration of a year in terms of Earth's revolution around the Sun?

Back

A year is about 365 days long, which is the time it takes for the Earth to complete one orbit around the Sun.

Tags

NGSS.MS-ESS1-1

Front

What season is it in Australia when it is winter in California?

Back

It is summer in Australia when it is winter in California, due to the opposite seasons in the Northern and Southern Hemispheres.

Tags

NGSS.MS-ESS1-1

Front

What causes day and night?

Back

Day and night are caused by the rotation of the Earth on its axis, which exposes different parts of the Earth to sunlight.

Tags

NGSS.MS-ESS1-1

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, while a lunar eclipse occurs when the Earth blocks sunlight from reaching the Moon.

Tags

NGSS.MS-ESS1-1

Front

What is the significance of the equinox?

Back

An equinox occurs when day and night are approximately equal in length, marking the change of seasons.

Tags

NGSS.MS-ESS1-1

Front

How does the tilt of the Earth's axis affect seasons?

Back

The tilt of the Earth's axis causes different parts of the Earth to receive varying amounts of sunlight throughout the year, leading to the changing seasons.

Tags

NGSS.MS-ESS1-1

Front

What is the role of gravity in the Earth-Moon system?

Back

Gravity keeps the Moon in orbit around the Earth and the Earth in orbit around the Sun.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2