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The next location in Around the World in 50 Experiments is Portugal. Portugal is located in Southwestern Europe and has a long, beautiful Atlantic coastline, captivating history and diverse landscapes. The volcanic Azores and Madeira islands also belong to Portugal. The Serra da Estrela mountain range dominates the north, while the central region contains forests, […]
These simple push and pull puppets are a Halloween version of the animal puppets we made earlier this year. They are great for part of a forces topic and a simple science craft for any time of year. Pushes and pulls are examples of forces. They can make objects move, stop them moving, speed them […]
Last December, I decided to build a giant LEGO® Santa at the last minute. We’ve got a LOT of LEGO®, so I thought it’d be a great way to clear some bricks out of storage and have a great Christmas decoration. I massively underestimated the number of bricks needed and ended up buying a lot […]
This disappearing spider trick is a simple Halloween science activity and a great refraction demonstration. Children can watch as a drawing of a spider disappears when water is poured into a glass over the image. Disappearing Spider Trick You’ll need Glass cup or jarDrawing of a spider on a sheet of paperWater Instructions Place a […]
Today, we had a lot of fun making Halloween versions of our basic optical illusion. What do you think of our pumpkin? Just roll the pencil or straw between your hands to see the face appear in the pumpkin. The best thing about this activity is that you can be as creative as you like. Make […]
Animal and plant cells have three main differences. They both have a nucleus, cytoplasm and cell membrane, but only plant cells have a cell wall, vacuole and chloroplasts. We used jelly to create an easy plant cell model showing the main features of a plant cell. See our animal cell model post for more about […]
Biology is the study of life and living things, including plants, animals and microorganisms. Biologists refer to living things as organisms. This collection of biology experiments for kids covers some of the most important concepts in biology There are many different branches of biology, including: Ecology – the relationships between organisms Zoology – the study […]
The deepest part of the ocean is in the Challenger Deep valley of the Mariana Trench, which is about 10,935 metres deep ( almost 11km )! This is deeper than Mount Everest is tall. The Mariana Trench is in the Western Pacific Ocean. The deepest section is named after the two ships that first explored […]
Sterling silver jewellery tarnishes easily because it contains copper. Copper makes silver stronger, but it binds with particles of sulphur in the air, producing silver sulfide, which is the black layer you find on silver jewellery after a period of time. This easy activity cleans jewellery by using a chemical reaction between aluminium foil, baking […]
We’re celebrating the beginning of autumn with some lovely apple experiments today! Turn apples into boats, experiment with different ways to preserve them, find out why food goes bad and make your own delicious apple cider. If you’re not a big fan of apples but still love autumn, try my autumn and fall STEM challenges instead! Easy […]