Category 1
It is made up of the Sun and its family of nine planets.
What is the solar system?
This planet is closest to the Sun.
What is Mercury?
This planet is eighth from the Sun. It can only be seen through a telescope. Little is known about this distant planet.
What is Neptune.
This is the centre of the solar system. The planets revolve around it.
What is the Sun?
This is how long it takes the moon to circle the Sun.
What are 365 days?
These are chunks of rock and metal that orbit between the planets.
What are asteroids?
This former planet was the smallest planet in the solar system.
The only planet in our solar system known to support life.
What is Earth?
This is the galaxy we live in.
What is the Milky Way?
This is how long it takes Earth to circle the Sun.
What are 365 days?
These are loose collections of rocks and frozen gases that orbit between the planets.
What are comets?
This planet is called the morning or evening star because it appears in the sky just after sunset and before sunrise.
What is Venus?
Called the Red Planet because its surface is covered in rust-colored dust.
What is Mars?
This body travels around the Earth. It is known as Earth's satellite.
What is the moon?
This is another name for the study of space.
What is astronomy?
This is a body that does not give off light of its own. It reflects the light of the Sun.
What is a planet?
This planet is fifth from the Sun. It is the largest planet and is best known for its beautiful colours and its Great Red Spot.
What is Jupiter?
Famous for its bright rings, which are made of ice and rock.
What is Saturn?
These are patterns of stars in the sky that, to some people, seem to be in the shapes of pictures.
What are constellations?
Astronauts live and do experiments on this large space lab that orbits Earth.
What is the International Space Station?
These objects produce and give off their own heat and light.
What are stars?
This planet is seventh from the Sun. Unlike other planets, this planet lies on its side. It is greenish in colour and has nine faint rings with five moons orbiting the planet.
What is Uranus?
Has the strongest winds in the solar system.
What is Neptune?
These have a bright head and long, shining tail.
What are comets?
This cannot travel in space because there is no air.
What is sound?