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You are here: Home / Parenting Young Children / How to set up three simple science activities for preschoolers

August 18, 2018 By Alana Pace 4 Comments

How to set up three simple science activities for preschoolers

It doesn’t take a science degree to execute simple science activities for preschoolers. In fact, all you need are common household items and minimal prep to teach children about physical and chemical reactions. Find basic ideas to promote physics and biology as well as three science activities for preschoolers here.


This post originally appeared on Happy Hooligans. I am a contributor. I hope you enjoy this post! We had a blast with all three of these activities!

It doesn't take a science degree to execute simple science activities for preschoolers. In fact, all you need are common household items and minimal prep to teach children about physical and chemical reactions. Find basic ideas to promote physics and biology as well as three science activities for preschoolers here.

I’m a self-proclaimed science nerd. In university, I took up a job as a groundskeeper, weeding, sweeping, and even cleaning public bathrooms, so I could have the opportunity to work at a marine science centre and to have the chance to go behind the scenes whenever I was at work.

Since having kids, I love any chance to learn along with them and to pass my love of science along to them.

During the winter, we love to go to science museums. This is a great place for kids to learn about physics.

When summertime hits, we go to the beach to examine tide pools or to go on nature walks and talk about what we see. These opportunities are wonderful for understanding basic biology.

Finding ways to teach my preschoolers about chemistry seemed like it would be a bit trickier, but I’ve found two simple chemical reactions and one physical reaction that we can do with supplies and ingredients that we already have around the house.

 

3 Simple Science Activities for Preschoolers

Maybe it’s because I didn’t study chemistry in school. Or maybe it was because I was just overthinking things. Either way, it took me a while to figure out that preschool chemical reactions can be quite simple and fun!

If you’re wondering how to teach kids about physical or chemical change, here are three simple science activities for preschoolers my kids enjoy doing again and again.

 

Baking soda experiment:

This preschool science experiment is about as basic as it gets but it’s lots of fun.

While exploring this chemical reaction, kids will witness hydrogen ions (vinegar) reacting with sodium and bicarbonate (baking soda). This creates carbonic acid and sodium acetate. Kids are also working on fine motor skills (needed for printing). Add in food colouring and cardstock and they’re also engaging in process art.

Disclaminer: As an Amazon Associate I earn from qualifying purchases.

SUPPLIES FOR BAKING SODA FIZZ CHEMICAL REACTION:

  • Bin or pan
  • Plastic cup
  • Box of baking soda
  • Food colouring (optional)
  • Medicine droppers or pipettes
  • Cardstock

HOW TO DO THE BAKING SODA FIZZ EXPERIMENT:

pouring baking soda into bowl

Empty a box of baking soda into a pan or bin. Spread it out evenly.

dripping food colour on baking soda

Get kids to drop different food colouring combinations throughout the baking soda.

Fill a plastic cup with vinegar.

science activities for preschoolers - bowl of baking soda and dropper of vinegar

Using pipettes or medicine droppers, have the kids drip or squirt the vinegar on to the baking soda.

science activities for preschoolers baking soda and vinegar experiment in action

Once they have seen the fizzy chemical reaction happen again and again, they can press card stock on top of the baking soda and vinegar to make a coloured impression!

 

Diet Coke and Mentos Explosions:

I highly recommend doing this outside in a place you can hose off. My kids and I use our kiddie pool for fun and messy activities like this. It works great for this experiment because the chemical reaction creates quite a geyser.

To understand why the mentor and Diet Coke react together the way they do, and to see the experiment in action, check out the awesome Steve Spangler video below:

 

SUPPLIES FOR DIET COKE AND MENTOS EXPERIMENT:

  • Bottle of Diet Coke – other soda will work too – just not as well
  • Original Mentos – the flavoured variety has a candy coating and won’t work

HOW TO DO THE MENTOS AND DIET COKE EXPERIMENT:

Take your kids outside.

Using a large container or an empty driveway, open the bottle of Diet Coke and have your children drop the Mentos into the bottle.

<iframe width="560" height="315" src="https://www.youtube.com/embed/KwZEDtK5quM" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>

Then back up fast!

 

DRIPPING SLIME EXPERIMENT:

The first time we did this activity, my kids were under the age of three. Years later, this is still one of their favourite activities of all time. They are now old enough to execute the entire chemical reaction on their own.

You can make Dripping slime with Borax and water, or you can create the same chemical reaction with saline solution (it must contain boric acid) and baking soda.

This chemical reaction works because the borax forms borate ions that bind to the liquid-like polymers in the glue. This makes the glue flow less easily becoming more of a solid.

Add in the cooling rack and scissors and this activity becomes great for fine motor skill practice too.

Note: if using Borax, this activity should not be done with children who might taste or mouth the slime.

SUPPLIES TO MAKE DRIPPING SLIME:

  • 1 cup hot tap water
  • 1 tsp Borax
  • White school glue
  • 1/4 cup tap water (temperature doesn’t matter)
  • food colouring (optional)
  • Colander or cooling/baking rack
  • String
  • Scissors (optional)

MAKING YOUR SLIME:

mixing borax and water

Measure one cup of hot water and mix in Borax until fully dissolved.

colouring slime

In a separate container, combine glue, 1/4 cup of water and food colouring.

Mix well, and then mix in the water-Borax mixture. There will be excess water left over in the bowl. That’s okay.

making dripping slime

Then, hang a cooling rack or colander. We’ve used cupboard handles or balanced a cooling rack across two chairs. Make sure the floor below isn’t carpet.

Place the slime on the cooling rack. Wait. It can take a while. Slowly, you’ll see the slime drip down.

slime driping through baking rack

Encourage kids to grab scissors and cut the drips.

 

More simple science activities for preschoolers

If you’re looking for more simple science activities, check out our facebook group, The Undeniable Power of Play. Or head over to Happy Hooligans to see Jackie’s 20 amazing science activities for preschoolers and toddlers.

 

Filed Under: Parenting Young Children, Play-Based Learning Activities, Posts, Your Child's Education Tagged With: education, kids activities, learning through play, play-based learning, science experiments for kids, sensory play, toddler activities

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Comments

  1. Varvara says

    August 8, 2019 at 5:54 pm

    Kids LOVE the fizzing action that comes along with this colourful science activity. All you need is baking soda, vinegar and food colour or liquid watercolour.

    Reply

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Hi! I'm Alana. When I'm not nursing cold, stale coffee, I usually can be found with the baby on my hip, barefoot, and racing after my two older kids. Thanks to a degree in psychology and a free-range childhood backing onto an expansive evergreen forest, positive parenting and play-based learning are my passions. Read more here.

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