A craft stick or popsicle stick chain reaction is a brilliant example of how potential energy and kinetic energy work. As you weave the lolly sticks together, you can actually feel the potential energy building. How does a popsicle stick chain reaction work? The sticks are bent and pinned over each other, which creates tension….
This very simple STEM challenge is a great way to find out why arches are such an important structural shape. Bridges often have arches to make them stronger and more stable. The arch shape allows any load on the bridge to be spread outwards along the curve of the arch. Pont du Gard is a…
Today’s round-up is full of great weather science experiments and investigation ideas. Learn about extreme weather with a tornado in a jar, record rainfall over a period of time, create a water cycle in a bag and lots more easy ideas for learning about the weather. Observing the weather is a great way to practice…
This fantastic and easy demonstration of gravity and magnetism will impress kids of all ages. The paperclip doesn’t fall because it is attracted to the magnet and doesn’t jump up to the magnet as it is held in place by string, making it look like it is defying gravity and floating in the air!! If…
A steady hand game is a brilliant mini electricity or design project and great for working on hand-eye coordination too! I made a reindeer themed game just before Christmas, but you can twist the copper wire into any shape you want. If this isn’t quite what you’re looking for I have lots more simple electricity…
This lovely, colourful science experiment is super easy to set up and carry out, but looks amazing! As well as being fun to watch, it’s also great for learning about density ( the oil layer floats on top of the water ) and diffusion ( as the food colouring spreads out through the water layer)….
This mini science investigation shows you how to make a DIY barometer to measure air pressure. Air pressure can be used to predict the weather and is one of many factors meteorologists use to predict the weather. What does low or high pressure mean for the weather? Low pressure usually means wet, cloudy, rainy weather,…
Do you think you have fast reactions? Have you ever measured your reaction time? Did you know you can test your reaction time using just a ruler? Reaction time is the time it takes for a person to respond to a stimulus. For example, if you touch something very cold, there is a slight delay…
Long, sunny summer days are a great time to experiment with shadows. I’ve put together a fun list of shadow activity ideas with ( hopefully ) something to appeal to kids of all ages. I use chalk pens for drawing shadows as they are a bit less messy than normal chalk and last a long…
We’ve made many different mini catapults before, but this was our first attempt at a large version. We had SO much fun with our giant catapult, inspiring many different investigation opportunities. You can use balls of different sizes and measure how far they travel or how high they go. Another idea is to dip balls…
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