15 Fun Science Experiments for Preschoolers That Will Blow Their Minds

Every evening, my little one’s eyes light up with curiosity as he watches the world whirl around him. One...

Every evening, my little one’s eyes light up with curiosity as he watches the world whirl around him.

One evening, as we were stargazing, I saw a budding scientist in my son. I wanted to nurture that spark, ensuring that science became a thrilling adventure for him, not just another dreary subject.

Realizing that fun was the key to his engagement, I scoured for the most delightful science activities for preschoolers.

Through these experiments, I’ve found the perfect blend of fun and learning to foster his innate passion. Dive in with us and ignite the scientific flames in your little one!

Why I Love Fun Science Experiments For Preschoolers

In the world of preschoolers, everything is a wonder waiting to be explored. Fun science experiments aren’t just playful activities, but stepping stones to a lifelong passion for learning.

When parents engage with their children in these delightful experiments, they’re laying the foundation for critical thinking, observation, and an inquisitive spirit.

By supporting fun science explorations, parents are telling their little ones: “I value your curiosity, and together, we’ll discover the wonders of the world.”

How I Chose These Fun Science Experiments For Preschoolers

In my quest to find the ultimate fun science experiments for my little scientist, I delved deep into top activity sites.

My criteria were clear

  • Activities should captivate for at least 20 minutes
  • Brim with fun
  • Inspire those little feet to dance with excitement!

But the real litmus test? Watching my son’s reactions.

Only those activities that got his seal of approval – a giggle, a curious glance, or an eager “Again, Mom!” – made the cut.

Join me as I share these handpicked gems, tried and tested to ensure maximum fun and learning for your preschooler!

15 Of My Favorite Fun Science Experiments For Preschoolers

Dive into the world of discovery with my top 15 handpicked fun science experiments, designed to captivate, educate, and energize your curious preschooler. Let’s spark some scientific wonder together!

1. Design Your Own Planet

build planet easy science experiments for preschoolers wonder noggin

Ignite your child’s imagination and scientific curiosity with the “Design Your Own Planet” activity.

This playful yet educational journey lets preschoolers create a world of their own while understanding basic planetary concepts, which makes it a great nature science project for preschoolers to learn how the Earth and solar system work.

With simple materials and an ocean of creativity, your little one can craft, learn, and dream big about the vast universe.

  • Materials Needed: Craft supplies (colored paper, markers, glitter) and a large round balloon.
  • Duration: About 45 minutes to 1 hour.
  • Ideal Age: 4-6 years old.
  • Science Discipline: Astronomy.
  • Science Skills Focus: This activity cultivates an understanding of planetary characteristics, fostering observational skills and imaginative thinking.

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2. Build a Bridge

bridge easy science experiments for preschoolers wonder noggin

Unveil the little architect in your preschooler with the ‘Build a Bridge’ experiment!

This easy science experiment for pre-k encourages creativity and introduces them to the magic of engineering. They’ll construct, adapt, and perhaps even marvel at their own handiwork. It’s a beautiful blend of art, science, and imaginative play that will keep their tiny fingers and growing minds busy.

  • Materials Needed: Craft sticks, playdough, small toys (like cars or animals).
  • Duration: 20-30 minutes.
  • Ideal Age: 3-5 years old.
  • Science Discipline: Engineering and Physics.
  • Science Skills Focus: This activity sharpens problem-solving skills, promotes understanding of structural integrity, and introduces weight distribution concepts.

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3. NATIONAL GEOGRAPHIC Stunning Chemistry Set

The NATIONAL GEOGRAPHIC Stunning Chemistry Set is a treasure trove for little budding scientists. With engaging experiments and safe, top-quality materials, this kit promises hours of educational fun.

Crafted meticulously by the experts at NATIONAL GEOGRAPHIC, it ensures your child delves into the magical world of chemistry, all while fostering a deeper understanding of the world around them.

  • Materials Included: Comprehensive set of chemicals, tools, and experiment guides.
  • Activity Duration: Varied, with many experiments lasting 20-30 minutes.
  • Ideal Age: Suitable for kids aged 8 and above.
  • Science Discipline: Chemistry.
  • Science Skills Focus: Encourages analytical thinking, observation, and hypothesis testing, developing a robust foundation for future scientific endeavors.

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4. Gravity Experiment With A Tube

gravity easy science experiments for preschoolers wonder noggin

There’s a magical allure in watching things travel, tumble, and turn. Our gravity experiment with a tube offers preschoolers an enchanting way to understand this invisible force.

Using just a simple tube, children will be mesmerized as they discover the power and predictability of gravity, observing objects as they journey downward. This hands-on activity doesn’t just teach; it mesmerizes, making science feel like play.

  • Materials Needed: A long tube (like a wrapping paper tube) and small objects to drop.
  • Duration: About 15-20 minutes.
  • Ideal Age: 3-5 years old.
  • Science Discipline: Physics (Gravity).
  • Science Skills Focus: Fosters observation skills, prediction abilities, and understanding of cause and effect through hands-on exploration.

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5. Dissolving Peeps

spring science easy science experiments for preschoolers wonder noggin

Easter treats and science unite in this delightful experiment with Dissolving Peeps! Watch as these sugary delights transform before your preschooler’s very eyes. It’s a magical blend of observation and wonder, all wrapped up in a simple and engaging activity.

Who knew that those little marshmallow birds could serve as more than just a tasty treat? As they dissolve and change, your child will be brimming with questions, making this a perfect springtime exploration.

  • Materials Needed: Peeps (marshmallow chicks), jars, and various liquids (water, vinegar, etc.)
  • Duration: About 20-30 minutes
  • Ideal Age: 3-5 years
  • Science Discipline: Chemistry
  • Science Skills Focus: This activity sharpens observation skills, nurtures curiosity, and introduces the concept of solubility in a fun and relatable manner.

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6. DIY Lava Lamp

lava lamp easy science experiments for preschoolers wonder noggin

Who knew science could be so mesmerizing? Introduce your preschooler to the magical world of density and reactions with our DIY Lava Lamp experiment, which has become one of my son’s favorite preschool water experiments.

This hands-on activity combines simple household ingredients to create a symphony of bubbling beauty. Not only does it captivate young minds, but it also lays the foundation for understanding liquid interactions.

  • Materials Needed: Water, vegetable oil, food coloring, and effervescent tablets.
  • Duration: About 20-30 minutes.
  • Ideal Age: 3-6 years.
  • Science Discipline: Chemistry.
  • Science Skills Focus: Observing reactions, understanding liquid density, and predicting outcomes in a captivating, hands-on manner.

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7. Einstein Box Science Experiment Kit

Ignite your little one’s scientific curiosity with the Einstein Box Science Experiment Kit. Thoughtfully curated to cater to inquisitive preschoolers, this kit seamlessly merges fun with foundational learning.

Each activity is an invitation to wonder, experiment, and learn, all while having a blast! Every parent looking to kindle a love for science in their child will find this kit an indispensable treasure.

  • Materials Included: Comprehensive set including beakers, color tablets, pipettes, and more.
  • Activity Duration: Approximately 15-30 minutes per experiment.
  • Ideal Age: Tailored for children aged 4 to 6 years.
  • Science Discipline: Touches on basic chemistry and physics principles.
  • Science Skills: Encourages observation, hypothesis formulation, experimentation, and deduction, fostering a solid foundational scientific understanding.

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8. Frozen Flowers

frozen flowers easy science experiments for preschoolers wonder noggin

Dive into a chilly sensory adventure with the Frozen Flower Activity! Allow your little ones to marvel at nature’s beauty, encased in icy wonder as a great pre-k winter science experiment.

This experiment uniquely marries art and science, allowing preschoolers to explore, learn, and develop an appreciation for nature while understanding the basic properties of water and ice.

Not only is it visually delightful, but it also serves as a tactile treat, making science both tangible and mesmerizing.

  • Materials Needed: Fresh flowers, water, freezer-safe containers, and colored water (optional).
  • Duration: 12-14 hours (including freezing time).
  • Ideal Age: 3-6 years.
  • Science Discipline: Physics and Natural Science.
  • Science Skills Focus: This activity sharpens observation skills, understanding phase changes, and fostering an appreciation for nature’s wonders.

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9. Salt Painting

spring painting easy science experiments for preschoolers wonder noggin

Every brush stroke brings a world of wonder with the enchanting Salt Painting Activity. Perfect for those springtime afternoons, watch as your preschooler’s imagination dances with the mesmerizing interplay of salt, water, and colors. A delightful blend of artistry and scientific exploration, this activity encourages tiny hands to observe, predict, and revel in the sheer magic of crystallization!

  • Materials Needed: White glue, table salt, watercolor paints, and thick paper.
  • Duration: About 30 minutes.
  • Ideal Age: 3-6 years.
  • Science Discipline: Chemistry.
  • Science Skills Focus: Encourages observation and understanding of absorption and crystallization in a visually engaging manner.

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10. Water Refraction Experiment

water refraction easy science experiments for preschoolers wonder noggin

Introduce your little one to the mesmerizing world of light with the Water Refraction Experiment! Using just a glass of water and some printed letters, watch as letters magically reverse before your eyes.

Not only is it a visual treat, but it opens a delightful conversation about how light bends and interacts with different mediums. It’s the perfect blend of wonder and discovery, making science come alive in the simplest of ways.

  • Materials Needed: Glass of water, printed letters or images.
  • Duration: Approximately 10 minutes.
  • Ideal Age: 4-6 years old.
  • Science Discipline: Physics (Optics).
  • Science Skills Focus: Cultivates observation and critical thinking skills, while introducing kids to the fundamentals of how light behaves and refracts.

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11. SNAEN Science Kit

The SNAEN Science Kit is a treasure trove for budding scientists, beautifully combining hands-on learning with sheer fun.

Designed with preschoolers in mind, this kit makes complex scientific concepts accessible and thrilling for young minds.

Each activity encourages exploration, fostering a deep love for science and igniting an insatiable curiosity.

  • Materials Included: Vibrant colored crystals, magnifying tools, and more!
  • Activity Duration: Roughly 20-30 minutes per experiment.
  • Ideal Age Range: Best suited for children aged 4-6.
  • Science Discipline: Primarily focuses on chemistry and earth science.
  • Science Skills: Enhances observation, prediction, and hands-on exploration, empowering kids to grasp foundational science principles actively.

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12. Electric Eels

eels easy science experiments for preschoolers wonder noggin

Engage your little one’s senses with Electric Eels! This charming experiment is an immersive journey into the magical world of color and energy.

Watch as simple ingredients come together to create mesmerizing eel-like patterns, teaching your preschooler about reactions while promising a burst of fun.

  • Materials Needed: Food coloring, oil, water, and a clear glass.
  • Duration: Around 15-20 minutes.
  • Ideal Age: Preschoolers aged 3-5.
  • Science Discipline: Chemistry.
  • Science Skills Focus: This experiment nurtures observation skills, introduces the concept of liquid densities, and fosters an understanding of color mixing.

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13. Straw Rockets

straw rockets easy science experiments for preschoolers wonder noggin

Propel your child’s curiosity to new heights with the Straw Rockets activity. In this hands-on experiment, little learners will marvel at the wonders of aerodynamics and force.

By crafting their own rockets and watching them zoom through the air with a simple blow, they’ll not only gain foundational scientific understanding but also revel in the sheer joy of creation and discovery.

Cooler weather is a great time to do this fall science experiment for preschoolers, because the temperature will be lower and your little one will love running around!

Prepare for a session of giggles, astonishments, and a whole lot of “Let’s do it again, Mom!”

  • Materials Needed: Colorful paper, straws, tape, and scissors.
  • Duration: Approximately 20 minutes.
  • Ideal Age: 3-6 years old.
  • Science Discipline: Physics.
  • Science Skills Focus: Introduces kids to the basic concepts of force, aerodynamics, and cause-and-effect through hands-on exploration and playful learning.

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14. Fireworks In A Jar

color mix easy science experiments for preschoolers wonder noggin

Introduce your preschooler to a dazzling display reminiscent of the Fourth of July right within the confines of your home!

The “Fireworks in a Jar” activity creates an enchanting show of colors that whirl and twirl, captivating little eyes and minds. While it feels like pure magic, it’s also a fantastic gateway to introduce basic scientific concepts in a vibrant, hands-on way.

  • Materials Needed: Clear jar, warm water, food coloring, and vegetable oil.
  • Duration: About 10 minutes.
  • Ideal Age: 3-5 years.
  • Science Discipline: Chemistry.
  • Science Skills Focus: This activity fosters observation, prediction, and understanding of liquid density in a visually engaging manner.

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15. Leak-Proof Science Experiment

leak bag easy science experiments for preschoolers wonder noggin

Dive into this mesmerizing science experiment that combines the charm of everyday materials with the magic of polymer science. It’s simple, engaging, and offers a hands-on way for your little ones to understand the wonders of the molecules around them. With just a zip-lock bag, some water, and pencils, you can turn your kitchen into a mini science lab!

  • Materials Needed: Zip-lock bag, sharp pencils, water.
  • Duration: About 10-15 minutes.
  • Ideal Age: Preschoolers (3-5 years old).
  • Science Discipline: Polymer science.
  • Science Skills Focus: This activity emphasizes observation, prediction, and understanding the behavior of polymers in a hands-on and engaging way.

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Nurturing a child’s curiosity is a beautiful journey. By diving into these fun science experiments, we’re not just playing, but lighting the path of discovery. Be sure to check out my entire list of great STEAM science activities for kids with my easy-to-use filtered system to help you find the perfect activities!

Let’s cherish these moments, watching our little scientists blossom with wonder and knowledge.

Happy experimenting to all the inquisitive minds out there!

ayasha profile image wonder noggin

Hi there, I’m Ayasha

I’m a mom of an energetic son and the creator of Wonder Noggin. I write about educational parenting tips, simple parenting ideas, and many activities to help parents nurture young minds.

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