15 Rainbow Science Activities for Toddlers and Preschoolers

Exploring the rainbow is our favorite way to expose young children to colors and color mixing. I’ve share how we’ve made rainbows on bubble wrap and sorted rainbow colors in the sensory bin. But what about science? How can you wonder what happens while working with ROYGBIV? I’m thrilled to have found 15 rainbow science activities for toddlers and preschoolers.

Hands-on science that get young children excited about what will happen next!

Pouring, mixing, fizzing, squishing … ingredients that make early learning fun!

15 Rainbow Science Activities for Toddlers and Preschoolers

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Some of these activities are more suitable for preschoolers than toddlers. Close supervision is required.

15 Rainbow Science Activities for Toddlers and Preschoolers

Skittles Rainbow Science: What happens when you add skittles to water? (Fantastic Fun and Learning)

Scented Rainbow Science: What happens when you add vinegar to frozen baking soda? (Fun-a-Day)

Marshmallow Color Change Experiment: What happens to water after colored marshmallows are dissolved in it? (Fantastic Fun and Learning)

Colorful Water Beads Experiment: What happens when you hydrate colorful water beads? (Little Bins)

Sparkly Fizzing Rainbow: What happens when you add glitter to baking soda and vinegar? (Preschool Powol Packets)

Color Changing Flowers: What happens when you place white flowers in colored water? (Laughing Kids Learn)

Rainbow Paper Color Science: What happens when you dip black paper into clear nail polish and water? (The Science Kiddo)

Make Your Own Rainbow: What happens when you take everyday items and shine light on them? (Lemon Lime Adventures)

Rainbow Salt Discovery Jars: What happens when you color salt using chalk and add it to a jar? (Preschool Toolbox)

Exploring Prisms: What happens as the light from the sun passes through the prism? (Buggy and Buddy)

Rainbow Ice and Salt Experiment: What happens when you color a block of ice and then add salt? (Powerful Mothering)

Rainbow Density Jar: What happens when layer liquid mixtures that have different densities? (Schooling a Monkey)

Traveling Colors: What happens when you add the colors from the rainbow onto salt and glue? (You Clever Monkey)

Rainbow Water Xylophone: What happens when you fill jars with colored water, each at a different level? (Mama Papa Bubba)

Rainbow Clean Mud: What happens when you add toilet paper to soap flakes and colored water? (Simple Fun for Kids)

15 Rainbow Science Activities for Toddlers and Preschoolers

More science ideas:

Preschool Science - Gravity Experiments      simple toddler science activities      science experiments for preschoolers



Teaching 2 and 3 Year Olds