Scientific theories from the past (non-statutory) | Starter Quiz | Oak National Academy

The Sun is at the ___ of our solar system.

Answer explanation

The Sun is at the centre of the solar system and all eight planets orbit it.

Which of these statements is true?

• The Moon orbits the Sun.

• The Sun orbits the Moon.

• Earth orbits the Sun.

• The Sun orbits Earth.

Answer explanation

Earth and other planets all orbit the Sun, which stays in the centre of the solar system.

What do the Sun, Earth and Moon all have in common?

• They are all planets.

• They are all approximately spherical.

• They are all stars.

• They all travel around the solar system.

Answer explanation

The Sun, Earth and Moon are all approximately spherical, which means they are shaped like balls.

What equipment might scientists on Earth use to find out more about objects in space?

• thermometer

• microscope

• ruler

• telescope

Answer explanation

Telescopes can be used to make closer observations of things that are very far away, like the Moon or planets.

What is the name of a scientist who studies space?

• astronomer

• biologist

• chemist

• engineer

• astrologer

Answer explanation

An astronomer is a scientist who carries out enquiries and makes observations about space and objects in space.

Why does the Sun appear to move across the sky each day?

• Because the Sun orbits Earth.

• Because the Sun rotates on its axis.

• Because Earth rotates on its axis.

Answer explanation

Earth rotates on its axis once every 24 hours, which makes it look to us like the Sun is moving across the sky.