Our Solar System: Complete Review

Front

What is the Moon's illumination from Earth?

Back

The Moon is ALWAYS lit halfway, but we can't see that from our point of view on Earth.

Front

What happens when one side of the Earth faces the sun?

Back

It is Daytime.

Front

What causes day and night on Earth?

Back

Day and night are caused by the rotation of the Earth on its axis.

Front

Why does the sun appear bigger and brighter than other stars?

Back

The sun appears bigger and brighter than other stars because it is much closer to Earth compared to other stars.

Front

What are the four seasons on Earth?

Back

The four seasons are Spring, Summer, Autumn (Fall), and Winter.

Front

What is the shape of the Earth?

Back

The Earth is an oblate spheroid, meaning it is mostly spherical but slightly flattened at the poles.

Front

What is the Solar System?

Back

The Solar System is a collection of planets, moons, asteroids, comets, and the sun, all bound by gravity.

Front

What is a planet?

Back

A planet is a large celestial body that orbits a star and does not produce its own light.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates its own light and heat through nuclear fusion.

Front

What is an orbit?

Back

An orbit is the path one celestial body takes around another due to gravitational forces.