Learning resource
Radioactive Dating of Meteorites
Students calculate the age of a meteorite by looking at the half life of one of its elements - rubidium. Accompanies the video 'How do we know how old the Sun is?'.
Learning resource
The Origin of the Elements
The Universe we see today is made from particles arranged in a wide variety of elements, but where did it all come from?
Learning resource
Phases of the Moon
A classroom activity exploring the changing appearance of the Moon throughout the month. Suitable for advanced KS2 and all KS3 students.
Learning resource
Nuclear Fusion in Stars
In this classroom activity, students explore how stars are powered by fusion, the energy they output and why stars can't fuse the heaviest elements.
Learning resource
Newton's Laws of Motion
Join our Royal Observatory Greenwich astronomers as they go on an epic journey to find out how Newton's Laws of Motion work in space. Buckle your seatbelts, you're in for an adventure!
Learning resource
Moon Watch
Royal Observatory Greenwich astronomer Radmila shows how you can best find the Moon in the daytime sky and how you can demonstrate the changing phases of the Moon in the classroom using hands-on models.
Learning resource
Mission to Mars
Join Royal Observatory Greenwich astronomers as they explore the challenges astronauts would encounter on their long journey to Mars and what it might be like to live and work on the red planet! 
Learning resource
Mass of an Exoplanet from Radial Velocity
Students use the Doppler equation and angular momentum to calculate the mass of an orbiting extrasolar planet. Accompanies the video 'Alien worlds and the Doppler effect'.
Learning resource
Making star trails
Activity with instructions to accompany the video 'Making star trails'.
Learning resource
Making Shadows
A classroom activity that looks at how shadows are formed and what affects their size, direction and shape.