Science Experiments for Kids

Have you ever been outside on a warm day after it rained and wondered what the lovely, earthy smell is? The smell is created by a compound called geosmin, a by-product of soil-dwelling actinobacteria. The smell was given the name petrichor in 1964. It’s not the smell of rain falling. It’s the smell of the earth coming back to life after a dry spell.

If your kids love logic puzzles, this river crossing riddle is a classic. Can you believe it’s been told for over 1000 years? Today I’m sharing a FREE printable hands-on version featuring a farmer with a job to do, a hungry fox, a chicken and some tasty corn! It’s a fantastic low-prep, inexpensive activity that encourages logical thinking, reasoning and problem solving.

Over the many years I’ve been writing Science Sparks, Autumn has always been my favourite season for designing themed activities. I love the colourful leaves, dark nights, cooler weather, and, of course, the run-up to Christmas is always exciting, too! This collection of fall science experiments and activities makes me smile every time I re...

Imagine you have a blank map of the world. How many colours do you think you’d need to colour it so that no two countries sharing a border are the same colour?

The answer is surprisingly low, just four! If you were to draw a very twisty shape, you’d still only need four colours to make each segment touching another a different colour. This rule is called the

You’ve probably never sat down and thought about what soil is actually made of, but it’s a lot more than just mud and dirt. It plays a crucial role in supporting life on Earth, anchoring plant roots, delivering vital nutrients, and providing a habitat for billions of microorganisms alongside creatures like