England Key Stage 3

What is a light year?

What is a star?

We can see thousands of stars in the night sky - small points of light in the vastness of space. But what are stars? How do they make light? Why are they different colours? Watch this video to find out some more information about stars!

A photo of the Sun with the text What is a star? on a black background

Investigate: Measure the Size of a Galaxy

Have you ever wondered how big a galaxy is? They contain millions to billions of stars but what does that really mean for size?

Reading about sizes in a book is one thing, but what if you could make an observation of a galaxy and then measure its size?

Picture of a galaxy with a ruler next to it and question marks

What is the Sun?

Life on Earth

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How are living things connected? What do they need to survive? Can we find clues in the Solar System that help us find out why there is life on Earth?

Complete this quiz to discover what makes our planet so special!

Our Sun Quiz

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The Sun is our closest star and the centre of our Solar System. However, it is only one of several billion stars in our galaxy.

Astronomers study and learn about the Sun using observations from telescopes along with data collected by space probes. But how much do you know about our star? Test your knowledge using this quiz!

Measure Mountains on the Moon

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Did you know there are mountains on the Moon? How tall do you think they are? Are they higher than mountains on Earth?

Complete this activity to find out! You will use high resolution images of the Moon and a bit of maths to investigate the answer.

Space Jobs Game

When you think of space jobs, do you think of astronauts? Did you know there are lots of other jobs out there for people who like space, science, or technology?

Cartoons of people doing different jobs linked to science, technology, engineering and maths, against a backdrop of space

Skills for Space

A drawing of an astronaut standing on the Earth against a dark starry background with the words 'myth vs. reality' to the right of the astronaut

Predict the Solar Cycle

The Sun is a constant presence in our life on Earth. It gives us the heat and light we need to survive. But it is not a stable place. The Sun is a ball of hot plasma which is constantly changing.

Predicting the Sun's Cycle