Science Sparks is full of easy and fun science experiments for kids to do at home. Our fun science investigations include engineering, coding, biology, chemistry and physics experiments.
Learn more about the wonderful world of science by trying our exciting science experiments, cool facts, free printables, photos and videos. We’ve also got a great collection of STEM projects, STEM Challenges and science fair projects.
Our science experiments include removing the shell from an egg, launching bottle rockets, create edible life cycles, making lava lamps and lots more science experiments for kids of all ages.
Green plants make sugar for growth by a process called photosynthesis. Photosynthesis is a process where light energy is converted to chemical energy in the form of sugars. Photosynthesis provides the main source of oxygen in the atmosphere and is essential for almost all life on Earth. Photosynthesis made simple Plants use sunlight, water, and…
As well as trying to make science fun, I also try to make most of our activities accessible to everyone by only using equipment you already have at home. I’ve bought funnels, measuring cylinders and magnets, but not much else. Science experiments at home are such a great way to get all the family involved…
I’ll be honest and say balloon powered cars can be very frustrating, but I have some top tips to help! If you don’t have everything you need, you can also make a LEGO balloon powered car. Just make sure it’s as light as possible. The weight of the car is the most important factor. It…
Today’s Tray a Day activity is making cardboard sculptures. These are very easy; you just need cardboard, scissors, and maybe some felt-tip pens to decorate. The cardboard segments can be used over and over again, too! I cut the cardboard into rough square shapes, made one or two small cuts up the sides of each…
This ice experiment for kids uses little fishing rods with toy fish frozen in ice on the end. The activity investigates whether ice melts faster in warm or cold water. Younger children love the idea of fishing and seeing the toy fish fall off the stick. If you have an older child, this is an…
After being inspired by a family STEM challenge evening at school, we’re a bit obsessed with marble runs! I love that you can make them from recycled materials so there’s no cost, they are great to build alone or as part of team and there are almost endless possibilities. We’ve kept these quite simple, but…
This light refraction experiment might be one of the most simple to set up science experiments we’ve ever tried. It is a bit tricky to explain, but impressive even if you can’t quite get your head around it! If you like this activity don’t forget to check out out our other easy science experiments for…
All you need for today’s easy science experiment is tape, paper and some books. This is a super simple STEM challenge for kids of all ages. We’re going to test the strength of paper folded into different shaped columns by piling books on top. Did you know some shapes are stronger than others? What you…
Today’s Tray a Day investigation is a fun waterproofing activity. The idea is to colour in each dinosaur and cover them with different test materials. Once each dinosaur is completely covered spray with water and uncover to see which dinosaur is the driest! Materials which do not absorb water are said to be waterproof. An…
I was so surprised at how well these easy paper spinners ( or paper helicopters ) worked. They take less than two minutes to put together, spin amazingly well and inspire some great investigations. They are also part of my Tray a Day series, which is a program of science activities using simple materials that…
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