Kids Science Experiment: Overnight Crystals

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Kids Science Experiment: Overnight Crystals - sixtimemommy.com

Being a homeschool mom to 1 plus having 4 other kids in school there are times when we get to do really fun stuff for homeschooling and my poor other kiddos miss out. I know they do fun things at school, but when they come home and see what we’ve been up to it can sometimes be a bit heartbreaking to see the looks on their faces when they don’t get to participate so something like this, Overnight Crystals they can be a part of!

Back when I was in school science wasn’t one of my favourite subjects. I didn’t mind the class but it wasn’t ever really fun for me. I try to make our science projects at home as fun as possible for Kyla since she’s the only one being homeschooled for now, and I know how lonely and boring it can get sitting at the table working away, so the more hands on and fun – the better!

So something like this not only is fun and engaging, but it gets the conversation going and my other kids get to enjoy it too!

Kids Science Experiment: Overnight Crystals - sixtimemommy.com

Materials Needed:

  • 3-16 oz mason jars
  • 1 Cup Epsom salts
  • 1 Cup warm water
  • Pink, yellow, and purple gel food coloring
  • Stir sticks
  • 3 impurities (I used soil, cake crumb, and a sesame seed)

Directions:

  1. Heat 1 cup of water in the microwave for 30-45 seconds
  2. Drop 1 drop of food coloring in each jar (each a different color)
  3. Place 1/3 cup warm water in each jar
  4. Now scoop 1/3 cup of Epsom salts in each jar
  5. Stir each jar with a wooden stick for several minutes, letting the Epsom salt dissolve some
  6. Place a small impurity in each one, my pink jar has a piece of soil, my yellow jar has a sesame seed, and my purple jar has a cake crumb
  7. Keep your stir stocks in the jars and place in the freezer for about 10 minutes
  8. Transfer to the fridge over night
  9. Take your jar out of the fridge and pour out any excess water
  10. Now check which formed the best crystals, for me it was the pink jar with a little piece of soil

*Use a microscope or a magnifying glass to check out your tiny, glass like crystals
*Make sure to do more than one jar, because some will not grow

Kids Science Experiment: Overnight Crystals - sixtimemommy.com

Kids Science Experiment: Overnight Crystals - sixtimemommy.com

Kids Science Experiment: Overnight Crystals - sixtimemommy.com

Kids Science Experiment: Overnight Crystals - sixtimemommy.com

Kids Science Experiment: Overnight Crystals - sixtimemommy.com

Kids Science Experiment: Overnight Crystals - sixtimemommy.com

Kids Science Experiment: Overnight Crystals - sixtimemommy.com

Kids Science Experiment: Overnight Crystals - sixtimemommy.com

Fun for everyone! It’s exciting for kids to see the results, but it’s also exciting to watch and antcipate what is to come! My kids love anything hands on, but if there is a cool result at the end that they didn’t expect – like this one, then they couldn’t be more thrilled!

What are some fun science experiments you’ve tried at home? 

27 comments

  1. None at home but I did work for a small science museum at one point and I used to do experiments for the kids. I think their favorite was the volcano–I used to let them add the food coloring. If course they all loved the ozone (I think it was) one–but I had a time and a half keeping them away from that one!! I did let them crumble the freeze dried flowers and throw the rubber ball which would shatter into a million pieces.

  2. My kids loved doing science experiments like this when they were homeschooled. They have always been fans of hands on learning.

  3. We live in a tiny tiny apartment so we havent tried any experiments here but our kids are still young though! I can’t wait to do fun projects like this with our son when he gets a tad older.

  4. What a fun science experiment! I didn’t do much science experiments growing up wasn’t that interested in it but now as an adult it all looks like so much fun!

  5. It definitely sounds fun. We used to set bottle caps on a base of baking soda and then add vinegar. The chemical reaction sent them going all over the cookie sheet. When we’d find something growing mold in the fridge, my mom would tell us that was her science experiment, but go ahead and toss it, anyway.

  6. We are a science loving family so the thought of creating homemade experiments sounds like so much fun. I had no idea this type of stuff could be so easy!

  7. I just tried that last month and show it to my family! I just learned new information about that, thanks!

  8. This looks like a fun experiment to try with the kids. Our last experiment was building a volcano.

  9. My daughter used to love having to do science experiments in elementary and middle school. She did one similar to this in middle school, but she grew the crystals in an empty egg.

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