Today’s science investigation is a fun one! We’re going to waterproof a boot. Not a real one as hopefully your boots are already quite waterproof, but a paper one! The idea is you print off the sheet, colour it in, cover with different materials and then spray with water to find out which are the most waterproof!

Find out more about materials and their properties in our huge collection of materials experiments.

Waterproof a boot - fun waterproofing experiment #scienceforkids

What you’ll need

Felt tip pens

Different materials to test – kitchen foil, paper, cloth, felt, wax crayon etc

Masking tape


Boot Printable – or draw your own pictures

Water sprayer or you can just drop the water over the top

waterproof a boot


Colour in the boot with felt tips pens. Make it as crazy or a simple as you like.

Next, ask an adult to help you cut out small squares of the different materials.

Carefully tape the squares over the boot until the whole thing is covered. The tape needs to peel off easily.

Spray the boot evenly with water.

Look at the surface of each material, do they look different? If the material is waterproof the water will be visible in beads on the surface.

If you enjoyed this, I also have a dinosaur waterproofing experiment!

More science experiments for kids

Can you design and build an umbrella for Incy Wincy Spider?

Find out why oil and water don’t mix with these easy investigations.

oil, water and food colouring

Find out why some objects float and some do not.

Don’t forget to check out our FREE science instruction sheets too!

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Originally posted at Science Sparks