Earth
The Sun
The Moon
The solar system
Combined
100

What type of celestial body is Earth

A planet.

100

What type of celestial body is the Sun?

A star.

100

How many moons does Earth have?

Earth has a single moon.

100

How many planets does the Solar System have?

It has eight planets.

100

What sports equipment do we use to describe the relative size of the Moon to Earth?

Basketball representing Earth. 

Tennis ball representing the Moon.

200

What does 'Earth' mean?

It simply means 'the ground.'

200

What does the Sun consist of?

The Sun consists of huge masses of hot gases.

200

What is the Moon?

It is a natural satellite of Earth.

200

To which galaxy does the solar system belong?

The solar system belongs to the Milky Way Galaxy.

200

How long does it take for the light of the Sun to reach Earth?

It takes approximately eight minutes.

300

What type of planet is Earth?

A terrestrial planet.

300

What does the Sun provide?

It provides energy, light, and heat (at least two out of the three are needed to receive a reward).

300

How did the Moon come to be?

When Earth was young, a large chunk of rock smashed into it, displacing a portion of Earth's interior and forming our Moon.

300

What is a galaxy?

It is a large group of stars, planets, satellites, comets, asteroids, and meteorites.  

300

What unit is used to measure the distance between the Sun and the Earth?

The distance between the Earth and the Sun is measured in Astronomical Units (AU).

400

Which planet in order from the Sun is Earth?

Earth is the third planet from the Sun.

400

What is the Sun in the solar system?

The Sun is the center of the solar system.

400

What is the radius of the Moon?

1738 km (about 1700 km, or between 1700 and 1800 km, is also accepted).  

400

What do billions of galaxies form?

The Universe.

400

What path do the planets follow in the solar system?

The planets move around the Sun.

500

Where does Earth rank in size among the planets in the solar system?

Earth is the fifth largest planet in the solar system.

500

How many kilometers is the distance between Earth and the Sun?

It is an average distance of 150 million kilometers.

500

How many kilometers away is the Moon from Earth?  

An average of 384,000 km away (about 380,000 km is also accepted).

500

How did the Universe come to be?

It was formed as a result of a huge explosion (the Big Bang).

500

What types of movements does Earth have?

Earth has two types of movements: rotation (spinning on its axis) and revolution (moving around the Sun).