Chemistry experiments for kids are a fun and engaging way to explore how materials change, mix, react, and transform. These easy chemistry activities use simple supplies and clear instructions, making them perfect for elementary classrooms, homeschool lessons, and science experiments at home.
Chemistry Experiments for Kids
Below you’ll find a curated collection of hands-on chemistry experiments for kids, organized by topic to make planning easy. Whether you’re exploring chemical reactions, acids and bases, or solutions and mixtures, these activities help kids build a real understanding of science through observation and experimentation.
💡 Before exploring chemical reactions, it helps to understand physical properties of matter—start with our Physical Properties of Matter for Kids guide.
Chemical Reaction Experiments for Kids
These chemical reaction experiments for kids are easy to set up and use common household materials. They help kids observe the formation of new substances, gas production, color changes, and energy release during chemical reactions.
- Why Do Apples Turn Brown?
- Acid Rain Experiment
- Alka Seltzer Rockets
- Alka Seltzer Reaction Rates
- Alka Seltzer Boat Experiment
- Baking Soda Vinegar Bottle Rocket
- Lava Lamp Experiment
- Green Penny Experiment
- Milk and Vinegar (Casein Plastic)
- Magic Milk Experiment
- Bread in a Bag
- Elephant Toothpaste (Yeast & Hydrogen Peroxide)
- Yeast and Sugar Experiment
- Invisible Ink
- Iodine and Starch Experiment
- Carbon Sugar Snake
Acids & Bases: pH Chemistry Experiments
Acid and base experiments introduce kids to pH, indicators, and chemical properties in a visual and approachable way. These activities are especially useful for upper elementary students and science fair projects, helping kids explore how acids and bases react differently.
- Citric Acid and Baking Soda
- Baking Powder Reaction
- Lemon Volcano Experiment
- Egg in Vinegar Experiment (Rubber Egg)
- Dancing Corn Experiment
- Balloon Blow Up Experiment
- Red Cabbage pH Indicator Experiment
- Fizzy Lemonade
- Baking Soda and Vinegar Volcano
- Seashells in Vinegar (Ocean Acidity)
- Salt Dough Volcano
- Dying Eggs With Vinegar
Solutions & Dissolving Chemistry Experiments
Solutions experiments help kids understand how substances dissolve, mix, and spread evenly. These activities are great for discussing solubility, concentration, and mixtures.
These easy chemistry experiments work well for younger learners and require minimal prep.
- Sugar Cube Absorption Experiment
- Gummy Bear Osmosis Experiment
- Skittles Experiment
- Dissolving Candy Fish
- Egg Osmosis Experiment
- Potato Osmosis Lab
- What Dissolves?
Chromatography & Separation Science
Chromatography experiments show kids how mixtures can be separated based on different properties. These activities are excellent for demonstrating scientific investigation and observation skills.
States of Matter & Changes
These chemistry activities focus on physical changes rather than chemical reactions. Kids observe changes in state, reversibility, and temperature effects.
- Ice Cream in a Bag
- Melting Ice Investigation
- Freezing Water Experiment
- Reversible vs. Irreversible Changes
- Chocolate Melting Science
- Butter in a Jar
- States of Matter Sorting Activity
- Solid, Liquid, Gas Experiment
- Evaporation Experiment (Water in a Dish or Bag)
- Condensation Experiment (Cold Can or Jar)
- Melting Crayons Experiment
Crystal Growth & Polymer Chemistry
Crystal and polymer experiments allow kids to explore chemistry over time. These activities encourage patience, careful observation, and data collection—perfect for extended lessons or science fair projects.
- How to Grow Borax Crystals
- How to Grow Salt Crystals
- How to Grow Crystals on Eggshells (Eggshell Geodes)
- How to Grow Sugar Crystals (Rock Candy)
- Borax Slime Recipe and Experiment
- Liquid Starch Slime Recipe
- Saline Slime Experiment
- Slime Science Experiments
Chemistry Experiments at a Glance
| Experiment Type | Chemistry Concept | Best Grades | Time |
|---|---|---|---|
| Chemical Reactions | Reactants & Products | K–5 | 10–20 min |
| Acids & Bases | pH & Indicators | 3–6 | 15–30 min |
| Solutions | Dissolving & Mixing | K–5 | 10–15 min |
| Chromatography | Separation | 2–6 | 15–30 min |
| Crystals | Crystal Growth | 3–6 | Multi-day |
Printable Chemistry Guide
Grab this free chemistry guide and bookmark fantastic science experiments to get started with today.
Chemistry Safety Tips for Kids
All chemistry experiments should be done with adult supervision. Use eye protection when needed, avoid tasting materials, and wash hands after experimenting. Many of these activities use household ingredients, making them safe chemistry experiments for kids when done properly.
Chemistry Experiments for Kids – FAQ
Q: What are easy chemistry experiments for kids?
A: Easy chemistry experiments include baking soda reactions, dissolving experiments, color mixing, and chromatography using simple materials.
Q: Can kids do chemistry experiments at home?
A: Yes. Many chemistry experiments for kids can be done at home using common household items with adult supervision.
Q: What age is appropriate for chemistry experiments?
A: Chemistry experiments can be adapted for children from preschool through upper elementary grades depending on complexity.
Q: Are chemistry experiments safe for elementary students?
A: Chemistry experiments are safe for elementary students when age-appropriate materials and adult supervision are used.
More Hands-On Science Activities
Looking for more ways to explore science with kids? Try these related collections:
- Water Science Experiments
- Physics Experiments for Kids
- Science Experiments Using Household Items
- Easy Science Experiments for Elementary Students
Want even more hands-on ideas? Browse our full collection of science experiments and activities for kids.
Printable Science Packs for Kids
Visit our SHOP for easy-to-print STEM and science lesson plans for the whole year. Or join us in the Little Bins Club.
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