WHAT IS THE UNIVERSE?
What is the UNIVERSE?
What is the Sun, eight planets, dwarf planets and smaller objects such as asteroids and comets?
THE SOLAR SYSTEM
What causes day and night?
Earth’s rotation on its axis.
What is the Moon?
It's the Earth only natural satellite.
What was the first man-made satellite launched into space?
Sputnik 1
What is the theory that explains the origins of the universe?
The big bang theory
What is the name of the galaxy in wich the Solar System is located?
The Milky Way
Why do we have seasons?
Because Earth is tilted on its axis as it orbits the Sun.
How long does it take for the Moon to orbit the Earth?
About 27.3 days
Who was the first person to walk on the Moon?
Neil Armstrong
What are the stars?
Enormous spheres of gas
What are balls of dust and ice that orbit the sun?
COMETS
What season is in the Southern Hemisphere when it is summer in the Northern Hemisphere?
WINTER
Name the four main phases of the Moon.
New Moon, First Quarter, Full Moon, Last Quarter
What was the firs artificial satellite to orbit the Earth?
The Sputnik 1
GALAXIES
What are asteroids?
Large rocks that orbit the Sun.
How long does it take for the Earth to complete one orbit around the Sun?
About 365 days.
What causes a lunar eclipse?
The Earth blocks sunlight from reaching the Moon.
What was the name of the first uncrewed spacecraft that landed on Mars ?
Mars Pathfinder
What tipe of star is our Sun?
A YELLOW DWARF STAR
Name all the planets in order (from the closest to the sun to the furthest).
MERCURY, VENUS, EARTH, MARS, JUPITER, SATURN, URANUS AND NEPTUNE.
Mention at least two features that make the Earth so special.
It is the third planet from the Sun.
It has a solid surface.
It is the only planet with large amounts of liquid water.
It is the only planet that support life.
Why do we always see the same side of the Moon from Earth?
The Moon rotates and orbits at the same rate – synchronous rotation.
What is a space station?
They are satellites with astronauts living on board.