Unit 5: Earth, Moon and Sun Pre-Test

Front

What is the Solar System?

Back

The Solar System is a collection of celestial bodies, including the Sun, planets, moons, asteroids, and comets, that are bound by gravity.

Front

What is the correct scale of the Sun and Earth?

Back

The Sun is much larger than the Earth, and they are separated by a vast distance, which is not accurately represented in many diagrams.

Front

How long does it take for the Moon to complete one full cycle of phases?

Back

About one month (approximately 29.5 days).

Front

What is the Milky Way Galaxy?

Back

The Milky Way Galaxy is the galaxy that contains our Solar System, characterized by its spiral shape.

Front

What is the Moon's orbit around Earth?

Back

The Moon orbits Earth in an elliptical (oval) path.

Front

What is the significance of the Sun's color in diagrams?

Back

The Sun is often depicted as yellow or orange, but its actual color is white when viewed from space.

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.

Front

What is an elliptical orbit?

Back

An elliptical orbit is an oval-shaped path that an object follows around another object due to gravitational forces.

Front

What is the difference between a planet and a moon?

Back

A planet orbits a star (like the Sun), while a moon orbits a planet.

Front

What is the distance between the Earth and the Sun?

Back

The average distance is about 93 million miles (150 million kilometers), known as an Astronomical Unit (AU).