Science Books for Preschoolers & a Sink/Float Experiment

Science Books for Preschoolers & a Sink/Float Experiment {Saturday Science} | Stir the Wonder #kbn #saturdayscience #science #preschool

For our next science unit we will be studying sinking and floating. As an introduction to our unit I picked up a couple of preschool science books from the library. I was surprised to be able to find such great storybooks on the subject of science for preschoolers that explained topics at a preschool level.affiliate-links-2

The first book I came across was Captain Kidd’s Crew Experiments with Sinking and Floating by Mark Weakland. This is a fun book perfect for preschoolers that teaches all about density and buoyancy through the pirate characters in the story.

The second book that I found and really liked is What Floats in a Moat? by Lynne Berry. It’s a humorous story about a goat and a hen using trial and error to try to get across a moat without using the drawbridge. 


Over the past week, I read Caden these two books and did an sink/float experiment based off of Weakland’s book. I gathered the objects tested in the book and in some cases had to substitute objects (no cannonballs here). 😉 Then I set up the experiment at the kitchen table.

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Caden was already familiar with this type of experiment from the first time we did it about a year ago, and he really loves doing them. But instead of just letting him explore the objects on his own, this time I handed him the objects one at a time and asked him to predict whether the object would sink or float. 


First we tested the “cannonball” aka bouncy ball. A marble would have also worked, but we don’t have any marbles. We tested the rest of the objects, I spare you from picture overload, and then I let Caden play with the water, further exploring the objects how ever he wanted.


These children’s books are a really fun way for preschoolers to learn about science. And this is a really fun way to explore sinking and floating with preschoolers. I am looking forward to our next science experiment and learning about sinking and floating along with Caden.

And now it’s time for the Saturday Science Blog Hop!

Saturday Science Blog Hop 2

 Celery Science Experiment from P is for Preschooler

Winter Snowflake Baking Soda Science Experiment from Little Bins for Little Hands

Liquid Experiment for Cloud Dough From Lemon Lime Adventures

Saturday Science Pinterest

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12 thoughts on “Science Books for Preschoolers & a Sink/Float Experiment”

  1. These books look fun! Some science books, even for kids, can be, well, boring, so I’m always glad to get a suggestion for a good one. We love sink and float experiments. Just be warned – my daughter once dumped all her crayons in the pool “to see if they would float”. If they like this kind of experiment, they may try out anything! lol!

    1. Samantha says:

      Thanks! I have found more great science books for kids which I am excited to share in upcoming units.

  2. Thanks so much for the book suggestions! I agree that it can be difficult to find books about science topic aimed at preschoolers, so thanks for sharing these. Kids just love sink and float activities, don’t they? 🙂

  3. Renae says:

    Great stuff as always. It’s funny how sometimes you just can’t predict what will sink or float! Thanks for sharing.


  4. This preschool science activity looks so fun! Thanks for sharing books to go along with the activity. We need to do some sink and float experiments. Featured you on the Thoughtful Spot Blog Hop!

  5. Jill says:

    This looks like it was a ton of fun!

    Thank you for stopping by the Thoughtful Spot Weekly Blog Hop this week. We hope to see you drop by our neck of the woods next week!

  6. Fun, fun, fun idea!

    Thanks for linking up with The Thoughtful Spot!

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