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Home » Science Experiments for Kids » A Messy Science Station for Preschoolers

A Messy Science Station for Preschoolers

Modified: Jun 7, 2024 · Published: Feb 25, 2020 by Emma Vanstone · This post may contain affiliate links · Leave a Comment

Sometimes I forget that my youngest child hasn’t necessarily taken part in preschool science experiments I did with the older children years ago, so when we had a bit of quiet time last week, I set up a simple science exploration station for her. We made fizzy baking soda and vinegar potions, experimented with oil and food colouring and watched colours fly through milk. These are all great science experiments for preschoolers.

Things you need for a messy science station

  • Baking soda ( Bicarbonate of Soda )
  • Food colouring
  • Jars
  • Water
  • Vinegar
  • Milk Oil
  • Water
  • Tray
  • Pipette
  • Vegetable oil
  • Beakers

With the materials above, we tried three super simple science experiments suitable for preschoolers. My top tip is to set them all up in a tray to keep the mess contained.

preschool age child playing with food colouring, water and baking soda for a science activity

Baking Soda and Vinegar Experiments

  • Place a few drops of food colouring, water and a couple of teaspoons of baking soda into several containers.
  • Use the pipette to add vinegar slowly, then stand back to watch the fizz.

This activity is a great first introduction to chemical reactions for older children, but for my 4 year old what was more important was how she learned to use a pipette and the correct way to pour a beaker, both things which I’d taken for granted she already knew!

Baking soda and vinegar investigation for preschoolers

Oil and Water Experiments

  • Place a thin layer of vegetable oil in a flat container.
  • Mix up several containers of oil and food colouring.
  • Use a pipette to drop tiny bits of the water and food colouring onto the oil.
  • Make a pretty picture.

The oil and food colouring doesn’t mix with the water as oil and water don’t mix.

oil and water not mixing in a tray

In the interest of an honest post, my 4 year old declared this was ‘boring’ and insisted on adding some baking soda so she could make a fizzy picture.

Colourful Milk Experiment

Colourful milk is another brilliant preschool science experiment that works well at a science station. The science behind the reaction is a bit tricky, but young children will love watching the colours fly through the milk.

magic milk investigation - cool science experiments for kids

If messy science isn’t your thing, you might like my science challenge bags instead. These are self contained mini bags of science activities for when you need a quick 5 minute time filler.

Easy messy science station for preschoolers - includes baking soda and vinegar reactions, magic milk and more preschool science #messyscience #preschoolscience #sciencestation

Last Updated on June 7, 2024 by Emma Vanstone

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Safety Notice

Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources.

These activities are designed to be carried out by children working with a parent, guardian or other appropriate adult. The adult involved is fully responsible for ensuring that the activities are carried out safely.

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