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PSPKK12

Salt Crystal Ornament Science Experiment

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Salt crystals are a fun project to make, because they form bigger, stronger, and faster than many other types of crystals. Kids will love watching granular salt turn back into large chunks of clear salt. After doing the salt crystal ornament science experiment and learning about the science, kids can take the ornaments home and hang them on their Christmas trees at home, or you can use them in the classroom to decorate for the holidays.

An ornament to make with salt crystals

Getting the Salt Crystal Ornament Science Experiment Ready

This experiment requires very little set up, but you will need to locate several sizes and shapes of glass containers. Save jars from pickles and other foods, or as your class to each bring a different glass container to school.

Get Ready for the Salt Crystal Ornament Science Experiment

After doing the salt crystal ornament science experiment and learning about the science, kids can take the ornaments home and hang them on their Christmas trees at home, or you can use them in the classroom to decorate for the holidays.

You will need:

  • Salt
  • Several small glass containers
  • Red and green pipe cleaners
  • Pencils
  • Salt crystal worksheet
  • Portable stove or Bunsen burner

To get this freebie, use the ‘click here to download’ button at the bottom of this page!

Doing the Salt Crystal Ornament Science Experiment

The goal of this experiment is to see if the size or shape of the container influences the size or number of crystals on the ornament.

This works best as a group project, and since you’re working with boiling water, only a teacher should handle the water.

Use two pipe cleaners (one red and one green) to make a round ornament shape.

Allow the kids to make other shapes, if desired. This could also be part of the experiment to see if different shapes attract more crystals than another.

Leave enough pipe cleaner at the top of each ornament to wrap around a pencil. The pencil will suspend the ornaments in the saltwater.

After doing the salt crystal ornament science experiment and learning about the science, kids can take the ornaments home and hang them on their Christmas trees at home, or you can use them in the classroom to decorate for the holidays.

Fill all the containers with water.

Pour the water into a pot and heat until the water starts to boil.

Add salt to the mixture until it starts to crystallize on the surface of the water.

Remove from heat.

After doing the salt crystal ornament science experiment and learning about the science, kids can take the ornaments home and hang them on their Christmas trees at home, or you can use them in the classroom to decorate for the holidays.

Place the ornaments inside the containers.

Let the crystals form for three days.

Remove the crystals from the saltwater and let dry.

After doing the salt crystal ornament science experiment and learning about the science, kids can take the ornaments home and hang them on their Christmas trees at home, or you can use them in the classroom to decorate for the holidays.

Observe the crystals. What container made the best crystals? What shape made the best crystals?

Need More Science Ideas? 

Jingle Bell Stacking STEM Activity 

Magic Milk Experiment 

Sink or Float Experiment

Want science planned for you ALL YEAR LONG?!

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This Salt Crystal Ornament Science Experiment is a fun activity for children of all ages. It would be the perfect hands-on and engaging activity to do during your holiday party this year.

Download Your Salt Crystal Ornament Science Experiment Activity Record Sheet Below:

Click the picture below to download.

Filed Under: Experiments Tagged With: First Grade, Holidays, Kindergarten, Pre-K, Preschool, Science

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Reader Interactions

2 Comments

  1. Aracely Chilson

    April 24, 2022 at 4:21 pm

    Thanks for some other excellent article. The place else could anybody get that kind of information in such a perfect way of writing? I have a presentation next week, and I am on the look for such information.

    Reply to this comment

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  1. Christmas Editable Name Activity - A Dab of Glue Will do says:
    May 19, 2019 at 6:29 pm

    […] make puzzle piece snowflake ornaments and are even able to incorporate some science into our salt crystal ornaments. Kids get so excited about bringing their art pieces home to hang up and their families can cherish […]

    Reply to this comment

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