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DINOSAUR SALT CRYSTAL SCIENCE EXPERIMENT FOR KIDS!

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We love simple STEM activities for kids that you can do at home and in the classroom.  My kids are also dinosaur obsessed. So of course, I had to figure out a way to merge dinosaurs with science experiments for kids!

While there are a lot of dinosaur science experiments, this one doesn’t focus so much on the science of dinosaurs.

Instead, it uses dinosaurs to make other science themes more interesting. In this case, we used it for salt crystals!

The dinosaur salt crystal science experiment turned out great, and the kids had a blast with it.

Learning with dinosaurs is so much fun. Use this science experiment to learn about salt crystals using dinosaurs! The dinosaur salt crystal science experiment is a fun learning activity for preschoolers and kindergarten. #dinosaurs #handsonlearning #scienceexperiments #preschoolactivities

You’ll also want to check out the ultimate list of summer STEM activities and the ultimate list of summer science experiments. 

Scroll to the end of this post for more fun dinosaur learning activities!

DINOSAUR SALT CRYSTAL SCIENCE EXPERIMENT

My kids love dinosaurs, so we turned them into a salt crystal science experiment! Follow along to read how we made our crystal dinosaurs! If you want more fun salt crystal activities, try making salt crystal feathers, salt crystal eggs, or making Epsom salt crystals!

THE SCIENCE BEHIND DINOSAUR SALT CRYSTALS

What’s the science behind the dinosaur salt crystal science experiment? Sodium chloride crystals (salt crystals) always form in cube shapes through iconic bonding.

When you create a super saturated solution of salt in your water, the extra salt particles will cling to the surface of the item inside of the jar. As the water evaporates, more and more salt particles cling to the dinosaurs, making thick salt crystals all over your dinosaurs!

Kids will love examining the dinosaurs covered in salt crystal cubes. And if the kids want to taste the crystals, there is little harm in that!

Learning with dinosaurs is so much fun. Use this science experiment to learn about salt crystals using dinosaurs! The dinosaur salt crystal science experiment is a fun learning activity for preschoolers and kindergarten. #dinosaurs #handsonlearning #scienceexperiments #preschoolactivities

Check out: Quick STEM Activities for Kids

steam challenge cards

WHAT KIDS LEARN WITH THE SALT CRYSTAL DINOSAUR EXPERIMENT

In this experiment, kids learn several scientific concepts. You can cover the following concepts with this experiment:

  • Solutions
  • Dissolving
  • Supersaturated solutions
  • Ionic bonding
  • Crystals
  • Salt chemistry

You don’t have to cover every topic at once. Make several batches of salt crystals and focus on one topic at a time. Use our science experiment worksheet to complete this activity in the classroom.

STEM challenge worksheet

If you’d like more simple science activities, try the color mixing flower, science discovery bottles, the flower discovery table, or rainbow slime!

 SALT CRYSTAL SCIENCE EXPERIMENT STEM EXTENSIONS

You can turn this science activity into a full-blown STEM activity if you ask a few extra questions. Add these elements into your lesson for a well-rounded experiment!

Science: Does the amount of salt change how the crystals form?

Technology: Use a microscope to examine the crystals. Can you still see the square shape?

Engineering: What factors make the crystals grow faster? What makes them grow slower?

Math: How long does it take for crystals to form? How hot does the water have to be to dissolve the salt? What is the chemical formula and atomic number for salt?

Learning with dinosaurs is so much fun. Use this science experiment to learn about salt crystals using dinosaurs! The dinosaur salt crystal science experiment is a fun learning activity for preschoolers and kindergarten. #dinosaurs #handsonlearning #scienceexperiments #preschoolactivities

You’ll also love: STEM Activities for Toddlers

WHAT YOU NEED FOR THE DINOSAUR SALT CRYSTAL SCIENCE EXPERIMENT

This post contains affiliate links. When you buy through one of my links, I make a small commission. 

  • Salt
  • Jars
  • Stove or hot plate
  • Toy dinosaurs
  • Pipe cleaners
  • Pencils
  • Magnifying glass
  • Microscope (optional)

Morton Salt Regular Salt, 26 Oz, Pack of 2Morton Salt Regular Salt, 26 Oz, Pack of 212 Ball Mason Jar with Lid - Regular Mouth - 16 oz by Jarden12 Ball Mason Jar with Lid – Regular Mouth – 16 oz by JardenCHENILLE STICKS PIPE CLEANERS for Craft 100pcs Set by Colorona - Extra Long Reusable Chenille Wire Stem - Bendable & Twistable Summer Art Pipes - Kids Safe - Assorted Colors (12 Inches) 2017 EditionCHENILLE STICKS PIPE CLEANERS for Craft 100pcs Set by Colorona – Extra Long Reusable Chenille Wire Stem – Bendable & Twistable Summer Art Pipes – Kids Safe – Assorted Colors (12 Inches) 2017 EditionDixon Ticonderoga Wood-Cased #2 HB Pencils, Box of 96, Yellow (13872)Dixon Ticonderoga Wood-Cased #2 HB Pencils, Box of 96, Yellow (13872)ValeforToy 72 Piece Mini Dinosaur Toy SetValeforToy 72 Piece Mini Dinosaur Toy SetScience kits for kids microscope Beginner Microscope Kit LED 100X, 400x, and 1200x Magnification kids science toys,redScience kits for kids microscope Beginner Microscope Kit LED 100X, 400x, and 1200x Magnification kids science toys,redKadaon 10X Antique Mahogany Handle Magnifier Reading Magnifying Glass for Reading Book, Inspection, Coins, Insects, Rocks, Map, Crossword PuzzleKadaon 10X Antique Mahogany Handle Magnifier Reading Magnifying Glass for Reading Book, Inspection, Coins, Insects, Rocks, Map, Crossword Puzzle

HOW TO DO THE DINOSAUR SALT CRYSTAL SCIENCE EXPERIMENT

Follow along with these directions to make your own dinosaur-themed salt crystals!

Don’t Miss: STEM Activities for Kindergarten 

SETTING UP THE DINOSAUR SALT CRYSTAL EXPERIMENT

If you want to do this experiment in class, the hardest part is boiling the water. If you have access to a classroom stove you can use that, otherwise, you can use a Bunsen burner or a hot plate to heat your water. I’ve found that boiling water helps dissolve the salt the fastest. While the water is boiling, the kids can wrap a pipe cleaner around their dinosaurs.

Learning with dinosaurs is so much fun. Use this science experiment to learn about salt crystals using dinosaurs! The dinosaur salt crystal science experiment is a fun learning activity for preschoolers and kindergarten.

DOING THE DINOSAUR SALT CRYSTAL SCIENCE EXPERIMENT

Once the water is boiling, pour in the salt. It usually takes about half a regular-sized container of salt to make one jar of supersaturated solution, but you can fit several toy dinosaurs into one jar (we fit 3 in easily).

Add the salt until the salt starts to form a crust on the water, then remove it from the heat. Let the solution cool to room temperature.

Once the solution cools, pour it into the jars. Let the kids drop the dinosaurs into the jars. Wrap the other end of the pipe cleaner around a pencil to keep the dinosaurs suspended in the solution.

Put the jars in a sunny location.

Crystals will start to form in a few hours, but you’ll get the biggest crystals if you let the dinosaurs soak for about 3 days.

Pull them out and investigate your new crystal dinosaurs!

Learning with dinosaurs is so much fun. Use this science experiment to learn about salt crystals using dinosaurs! The dinosaur salt crystal science experiment is a fun learning activity for preschoolers and kindergarten.

SALT CRYSTAL SCIENCE QUESTIONS TO ASK

How large are the crystals?

Do the crystals dissolve in fresh water?

Are all the crystals square?

Which dinosaur has the most crystals?

How long did it take the crystals to form?

Where can you find salt crystals in real life?

Want more fun STEM activities for kids?

steam challenge cards

Save this idea for later!

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Filed Under: Science Experiments Tagged With: chemistry, dinosaur, elementary, jar, preschool

About Brenda Priddy

Brenda grew up thinking she hated science.

But when her 4-year- old daughter was more interested in reading science facts than fairy tales, Brenda realized she had to learn more about science to keep up with her daughter.

Through simple at-home science experiments, Brenda developed a passion for science and now acts as an advocate for STEM education for kids at her website STEAMsational.com.

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What is STEAM?

STEAM activities for kids promote the idea that science, technology, engineering, art, and math can all work together to help kids become critical thinkers, problem solvers, and innovators!

Join us on our journey to discover just how much fun science experiments can be.

What we do… 

STEAMsational offers STEM and science lesson plans and teaching resources to provide a firm STEM foundation for children in the classroom or home.

All you need to do is find your supplies, gather your scientists, and let the innovation unfold.

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