1. The Universe
2. The Solar System
3. The Earth
4. The Moon
5. Exploration of space
100

What is the name of the galaxy we live in?

The Milky Way

100

Which planet in the Solar System has more moons?

Saturn

100

What movement of the Earth causes the changes of day and night?

Rotation

100

How much time does the Moon take to do a full rotation to the Earht?

28 days

100

When (year) did the first human  get to the Moon?

In 1969

200

When was the Big Bang theory proposed?

1931

200

What are the 8 planets of the Solar System in order?

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune

200

What is the revolution of the Earth? What does it cause?

The revolution is the movement the Earth does around the Sun. It causes the seasons.

200

What is the difference between rotation and revolution of the moon? 

Rotation is the movement the moon does itself on its axis while the revolution is the movement of the moon around the Earth.
200

Who was the first human who got on the Moon and what was his nationality?

Neil Armstrong was American

300

What is a star?

A star is an enormous sphere of gas that produces light and heat.

300

What is an orbit?

An orbit is a regular repeating path that an object in spaces takes around another one.

300

In which part of the Earth is the Sun going to appear first? Italy or Argentina?

Italy

300
How do we call the flat areas found on the moon which is also the latin word for "sea"?

Marias

300

Who was the first human to get into space and what was his nationality?

Yuri Gagarin was Russian.

400

What does the Big Bang theory consist of? What does it say?

The Big Bang theory explains the origin of the universe. This theory says that the universe was a single point that suddenly started to expand forming the galaxies, stars, systems...

400

Pluto is a dwarf planet but it hasn't always been like this. In which year was considered a dwarf planet? How many other dwarf planets are there in the Solar System?

Pluto was considered a dwarf planet in 2006 and there are other 4 other dwarf planets.

400

Why does life exist on Earth? What are the conditions that Earth has that makes it so especial?

The Earth has oxygen, liquid water, the right distance to the Sun and an atmosphere.

400

How can we see the Moon from the Earth?

The Sun's light is reflected on the Moon.

400
Who was the first woman to get into space? What was her nationality?

The first woman was Valentina Tereshkova and was Russian.

500

Edwin Hubble is a scientist who observed someting very important about the galaxies. What were his observations and what was the conclusions?

Edwin Hubble observed that galaxies were moving away from us. This means that the universe is constantly getting bigger.

500
How did the Solar System form?

The Solar System was formed when a cloud of dust and gas exploded. The gravitational force put all these materials together and formed first the Sun and then the rest of the celestial bodies.

500

Explain how the Earth is tilted in different seasons.

The Earth's Northern Hemisphere is tilted towards the Sun and in winter, it is tilted away from the Sun.

500

What are the tides and how are they related to the Moon?

Tides are the regular rise and fall of the seas and ocens. This change is caused by the gravitational force of the Moon.

500

What is the international space station?

It is the house of humanity on space.