The third installment in our series on the shape of astronomical systems, this article explores galaxies and the universe beyond our solar system.

This article explores ths history of theories about the shape of our planet. It is the first in a series of articles looking at the significance of geometric shapes in the history of astronomy.

The second in a series of articles on visualising and modelling shapes in the history of astronomy.

Maths is everywhere in the world! Take a look at these images. What mathematics can you see?

This article for students gives some instructions about how to make some different braids.

Can you drive a pointer using LOGO to create a simple version of the Olympic Rings logo?

More Logo for beginners. Now learn more about the REPEAT command.

Moiré patterns are intriguing interference patterns. Create your own beautiful examples using LOGO!

Learn how to draw circles using Logo. Wait a minute! Are they really circles? If not what are they?

A Short introduction to using Logo. This is the first in a twelve part series.

Can you puzzle out what sequences these Logo programs will give? Then write your own Logo programs to generate sequences.

This part introduces the use of Logo for number work. Learn how to use Logo to generate sequences of numbers.

What happens when a procedure calls itself?

Turn through bigger angles and draw stars with Logo.

Write a Logo program, putting in variables, and see the effect when you change the variables.

Learn to write procedures and build them into Logo programs. Learn to use variables.

Many natural systems appear to be in equilibrium until suddenly a critical point is reached, setting up a mudslide or an avalanche or an earthquake. In this project, students will use a simple. . . .

Learn about Pen Up and Pen Down in Logo

More Logo for beginners. Learn to calculate exterior angles and draw regular polygons using procedures and variables.

This is the second in a twelve part introduction to Logo for beginners. In this part you learn to draw polygons.

Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?

Design and test a paper helicopter. What is the best design?

Can you place these quantities in order from smallest to largest?

Water freezes at 0°Celsius (32°Fahrenheit) and boils at 100°C (212°Fahrenheit). Is there a temperature at which Celsius and Fahrenheit readings are the same?

Can you order pictures of the development of a frog from frogspawn and of a bean seed growing into a plant?

Can you rank these quantities in order? You may need to find out extra information or perform some experiments to justify your rankings.

Mathematics has always been a powerful tool for studying, measuring and calculating the movements of the planets, and this article gives several examples.

Mathematics has allowed us now to measure lots of things about eclipses and so calculate exactly when they will happen, where they can be seen from, and what they will look like.