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science lessons for prek

Science Lessons for PreK

Science lessons for PreK tend to be more about discovery and investigation than the outcome. Our entire day is actually made up of short investigations. Some of the questions we ask ourselves and then experiment with the outcome are:

  • How stable is the base of my block structure?
  • Why does the gecko eat worms?
  • What happens if I mix these two colors of clay?
  • How can I make a rainbow show up on the carpet?
  • Why are the plants looking droopy, we watered them again?
  • What will happen if I wash my hands and then play in the sensory table without drying them?
  • Why won’t the gecko eat dead worms?
  • Do we see the same hummingbirds at our feeder every day?
  • Can I high-five every student in the whole school and then eat without washing my hands?

These are just a few of the scientific questions we have investigated this year!

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Science lessons for pre-k can be done in a bright window, with an overhead projector or even a flashlight in a dark corner.
Light Investigations using our window and color blocks.

Science Lessons for the Real World

Notably, the most favorite science lesson was the glitter germs experiment! I put hand sanitizer on my hands and while it was still wet sprinkled glitter in my palm. I then high fived one student in my class. Everyone took turns high fiving another student. Pretty soon we had glitter everywhere- on the carpet, on our hands, faces, legs, arms, pants, tables, etc. Then we washed hands with water only and realized some of the glitter germs STILL stayed behind.

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This was a fantastic visual for my young learners. We observed how germs spread. We recorded how they stick around even when we think we wash them off. And how we can cut back on the spread of germs. My children came up with the idea that they would only do air high fives with students in other classes. (We are the youngest class in a school of over 200 students where everyone loves to high 5 us. As a result, illness spreads like wildfire!) Every time we come up with a solution for a very real problem we are having we chant SCIENCE FOR THE WIN!

Color Chemistry Science Lesson

Color chemistry is one of the most exciting science lessons in my PreK classroom. The students love to mix colors in various forms, using all sorts of interesting mediums. We use clay, playdoh and colored water to investigate color chemistry. The children are engaged no matter how many times we investigate color.

We use colored vinegar and baking soda to watch color chemistry and as a result, can also observe chemical reactions. Paint is used to create shades and hues of colors. We use clay and playdoh to create colorful sculptures. The Color Chemistry Pack offers a multitude of experiments. Both with color teacher copies and black and white student versions.

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Color Chemistry and Chemical Reactions

Science Lessons Using Books

I like to include books in every center, not just the library space. I want to encourage all students to read, no matter where they are in the classroom. The following list of books will add to your space and help your early learners become immersed in scientific vocabulary.

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Color Chemistry Lava Lamp. The complete experiment and directions can be found in the color chemistry pack.
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Using rope lights to investigate shadows, reflection, and light.

Leave a comment below and let me know your favorite ways to incorporate science into your curriculum plan.

Looking for a complete “done for you” science curriculum?

Look no further, I’ve got you covered: Science inquiry-based projects for Prek, TK, and Kinder

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Hi, I'm Tina!

Nature-loving educator, early childhood mentor, and self-proclaimed creepy crawlie enthusiast.

For nearly two decades, I’ve helped early educators reimagine what’s possible inside traditional classrooms—supporting play, nature, and calm in environments that often feel anything but.

But that isn’t where my journey started…

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Some that teach nature.
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