A heatwave is defined as an area being unusually hot for 3 or more consecutive days, but what causes hot weather? Hot weather ...

The 2026 Football World Cup might be coming to an end, but football is ever popular in my house, so here are Four Football World Cup STEM Challenges for you to try this summer. All the activities use ...

Did you know play dough conducts electricity and can be used to make circuits? Using play dough is a fun and very low cost way to learn about circuits and electricity. In our circuit we use a ...

I’ve got another fun pirate themed activity today, this time demonstrating density. Density is quite a hard concept to grasp but this is a really nice introduction and full of little wow moments. Just ...

Have you ever wondered how water is transported up the stem of a plant against gravity? This transportation process is called transpiration. You can demonstrate transpiration easily with simple ...

Before we had clocks and watches, people used sundials to mark the passing of time. A sundial measures time by the sun’s position and usually has markings for each hour of sunlight. Sundials have ...

Digestion is the process by which large, insoluble molecules of food are broken down into smaller, soluble molecules that the body can use. Digestion starts in the mouth, where food is broken into ...

Transpiration is the evaporation of water from the leaves, stems or flowers of a plant. You might have seen my transpiration experiments using celery and coloured water, and white flowers before.

The rocket travels upward with a force equal to and opposite to the downward force propelling the water, gas, and lid (Newton’s Third Law). The amount of force is directly proportional to the amount ...

The pH scale measures how acidic or alkaline a solution is. It ranges between 0 and 14. Acids have a pH of less than 7. Alkalis ( or bases ) have a pH of over 7. pH 7 is neutral. I have a blank ...

This simple Santa STEM challenge teaches kids about the physics of snowshoes in a fun and hands-on way. The challenge is to design a snowshoe for Santa to help him cross the snow to reach his sleigh!