If you’re looking for a great science experiment, you’ve come to the right place. Science Sparks™ is bursting with easy science experiments for kids of all ages. Discover our fun facts, cool science experiments, FREE science printables, awesome science fair projects and super STEM challenges!
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Most Popular Science Experiments
These are my most popular tried and tested science experiments for home, school or science club.
New this week
Catch up with this week’s new and updated science investigations.
Science Sparks Questions
Ask a question and try an activity to find the answer!
Autumn/Fall Science Experiments
Easy autumn science experiments and STEM challenges for kids.
- Flying Helicopter Seeds – science investigation
- 20 Autumn and Fall Science Experiments
- Sticky Seeds – a seed dispersal investigation
- Free Autumn Treasure Hunt
- Easy Autumn STEM Challenges
- Great ideas for a Halloween party
- Autumn Rice Tray for Fine Motor Skills
- Pine Cone Weather Station
Halloween Science Experiments
Deliciously spooky science experiments for Halloween!
- Easy Spider Paper Plate Marble Maze
- FREE Printable Halloween Science Experiments for Kids
- Catapulting Spiders- Halloween STEM Challenge
- Magnetic Ghosts – Halloween Science Activity
Wonderful Women in STEM
These remarkable female scientists changed the world with their discoveries, paving the way for generations of women to follow their dreams.
See more inspirational female scientists →
Brilliant Baking Soda Experiments
Baking soda experiments are not just volcanoes. Make colour changing potions, power a bottle boat and lots more fizzy science fun!
See more brilliant baking soda experiments →
School Science Club Experiments
100s of easy ideas for a school science club, including STEM challenges, investigations and science demonstrations.
Find more ideas for a school science club→
Science in Stories
Read a book and try a science activity related to the story. These imaginative, creative science investigations are suitable for kids of all ages.
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Free STEM Challenge Templates
Find 100s of FREE experiment instructions, templates, activity packs and more!