These summer STEM Challenges are great fun whatever the weather and all use materials you’ve probably already got around the house.

We teamed up with the lovely Mrs Mactivity to create the printable STEM challenge cards, which you can download by clicking the image below.

Easy summer STEM Challenges for kids with printable STEM Challenge cards #scienceforkids #summerscience #STEMChallenges

Summer STEM Challenges

Sugar Cube Structures

Make sugar cube towers and place different materials such as kitchen foil, cling film etc in between the cubes to investigate which material is the most waterproof.

sugar cubes experiment - waterproof materials

Treasure Maps

Use cold coffee or tea to make white paper look old, then draw a map of your garden, house or even a map from a story!

coffee and tea stained treasure map

Secret Messages

Write secret messages with lemon or lime juice!

invisible ink image

Fizzy Potions – Summer STEM Challenge

There’s not much better than a fizzy potion outdoors on a sunny day. Add baking soda, vinegar and dish soap for a super eruption!

To make this extra exciting add a little red cabbage indicator to make colour changing potions!

colour changing potions

Ice Painting

Freeze a sheet of ice and paint over the top. Once you’ve finished, wipe the ice clean and start again!

ice painting

Flower Dissection

The best way to learn about the different parts of a flower is to take one apart! Can you spot all the bits!

labelled flower diagram

Jump Up!

Make jumping frogs, jumping unicorns and anything else you fancy with this easy static electricity experiment.

Static electricity

Build a Raft – Summer STEM Challenge

Make a raft from whatever materials you have around the house and test how much weight they can hold.

Raft for the Gingerbread Man

Play Dough Models

Make a play dough model brain, bone, heart or anything else you fancy!

Model Brain

Bubble Wands

Build your own bubble wands with pipe cleaners and straws!

different shaped bubble wands made with straws and pipecleaners - fun summer STEM Challenge

Bean in a Jar – Summer STEM Challenge

Did you know you can grow a bean in a jar? Or use paper or card to construct a beanstalk for Jack!

Bean in a jar

More STEM Challenges for Kids

Try our fun newspaper STEM Challenges, make shoes, towers, dens and more.

I’ve also got some easy Fairy Tale STEM Challenges to try! Make a beanstalk for Jack, a raft for the Billy Goats and more!

Fairy Tale Science worksheets

Science Books for Kids

I’ve also got a couple of fun science books you might like!

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Originally posted at Science Sparks