200+ Cool science DIY projects

These DIY projects are perfect science activities for home or school science fairs.

Viewing 15 out of 206 projects

  1. Veggie Tops

    Veggie Tops

    I love when we try experiments and the result surprises me! Did you know veggies tops can continue to grow with a little bit of...

    Arts & Crafts Ideas

  2. Salt Volcano

    Salt Volcano

    We know that oil and water doesn't mix...but what happens when you add salt? Let's play with science and find out!

    Science Projects for Kids

  3. Surface Tension Experiment

    Surface Tension Experiment

    We can see through mesh. We can hear through it, breathe through it, and even pour water through it... So there is no way...

    Science Projects for Kids

  4. Shadow Chalk Experiment

    Shadow Chalk Experiment

    Kids are always fascinated by their shadows and, as a parent, it's such a joy to see them interact with themselves. This shadow chalk experiment...

    Arts & Crafts Ideas

  5. Solar Energy and Water

    Solar Energy and Water

    Using a piece of black construction paper and a piece of white paper, we'll set two bowls outside and see if one of them warms...

    Science Projects for Kids

  6. Lava Bottle

    Lava Bottle

    This fun science project that is guaranteed to impress! This is a cheap and easy way for your child to explore the nature of different...

    Science Projects for Kids

  7. What Soda Does to Teeth

    What Soda Does to Teeth

    Why is soda bad for your teeth? My kids keep asking why they can't have more soda. The tooth fairy was kind enough...

    Science Projects for Kids

  8. Fingerprint Kit

    Fingerprint Kit

    Here's a fun one for children who love details and like to investigate! Grab a small cloth bag, and make your own fingerprint kit out of...

    Science Projects for Kids

  9. How Strong is Paper?

    How Strong is Paper?

    We have an engineer in our family... she's always playing with pulleys and levers and constructing things. This time we were playing with compression...

    Science Projects for Kids

  10. Glittery Volcano

    Glittery Volcano

    This project is part science experiment, part sensory fun! The volcanic reaction of vinegar and baking soda, with some glitter for extra sparkle, exploding over...

    Science Projects for Kids

  11. Earth Exploration

    Earth Exploration

    While learning about space, my son and I found ourselves gravitating toward planet Earth. In my son's favorite Earth-related book, "The Magic School Bus Inside...

    Science Projects for Kids

  12. Discovering Sound Matters

    Discovering Sound Matters

    We have lots of favorite experiments and demonstrations that we love to play with... and this is absolutely one of them! Who knew that...

    Science Projects for Kids

  13. Salt Painting Ice Sculptures

    Salt Painting Ice Sculptures

    We were inspired by the Artful Parent to try out this fun science experiment: watching how salt melts ice. Not only is this...

    Arts & Crafts Ideas

  14. Paper Parachutes

    Paper Parachutes

    It's a bird...it's a plane...wait--could it be? It's a flying kitty! And an airborne...penguin?!

    My kids are fascinated with flight, so we decided to give their...

    Science Projects for Kids

  15. Electromagnet

    Electromagnet

    Unlike the magnets that are used on refrigerators, electromagnets are magnets can be turned on and off depending on the flow of electricity. The electricity...

    Science Projects for Kids

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