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

A simple robot to make, plus robots in everyday life to investigate.

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. . . .

A weekly challenge concerning drawing shapes algorithmically.

Create a symmetrical fabric design based on a flower motif - and realise it in Logo.

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

What shape and size of drinks mat is best for flipping and catching?

Build a scaffold out of drinking-straws to support a cup of water

My recipe is for 12 cakes - how do I change it if I want to make a different number of cakes?

If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?

Is it cheaper to cook a meal from scratch or to buy a ready meal? What difference does the number of people you're cooking for make?

This is the technology section of stemNRICH - Core.

Design and construct a prototype intercooler which will satisfy agreed quality control constraints.

What shape would fit your pens and pencils best? How can you make it?

If Tom wants to learn to cook his favourite supper, he needs to make a schedule so that everything is ready at the same time.

Creating a schedule to cook a meal consisting of two different recipes, plus rice.

Formulate and investigate a simple mathematical model for the design of a table mat.

What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?