5 Easy Spring Science Experiments for Kids to Try at Home

Spring weather has a mind of its own.

One day the kids are outside all afternoon. The next day it’s chilly, rainy, and someone is already saying, “I’m bored” before lunch.

If you need a few easy wins this season, these spring science experiments for kids are fun, simple, and low-prep — with ideas that work whether the weather cooperates or not.

You’ve probably heard the phrase “April showers bring May flowers” plenty of times, and it really is a perfect way to explain why spring is such a great season for simple science fun.

Rain helps plants grow. Warmer temperatures wake everything back up. Longer days bring more sunshine. And all of it gives kids a chance to explore how the world changes in spring without needing fancy supplies or a big setup.

Why spring is perfect for easy science experiments

Spring naturally gives kids a chance to notice changes happening all around them:

• Rain helps soften soil and water seeds
• Sunlight gives plants energy to grow
• Warmer weather brings bugs, birds, flowers, and puddles back into the picture
• Changing weather creates lots of easy opportunities for hands-on learning

Spring science is basically already happening. These experiments just help kids see it up close.

1. Make giant backyard bubbles

Alexander Dummer | Canva

This is one of those experiments that feels like pure fun to kids, but there’s real science behind it too.

What kids learn:
Surface tension, bubble structure, and why some bubbles last longer than others

What you need:

• 12 cups warm water
• 1 cup original Dawn dish soap
• 1/2 cup corn syrup

What to do:

1. Mix the warm water and corn syrup together.
2. Slowly stir in the dish soap.
3. Let the mixture sit for at least an hour.
4. Use a large bubble wand and head outside to test it out.

What’s happening:
Soap traps a thin layer of water to form a bubble. Corn syrup helps strengthen the bubble film, making bubbles bigger and less likely to pop right away.

2. Make your own rainbow

Rahime Gül | Canva

Spring showers often bring rainbows, and this simple experiment lets kids make one themselves.

What kids learn:
Light refraction, the color spectrum, and how rainbows form

What you need:

• A clear glass of water
• A small mirror
• A flashlight or direct sunlight
• A white piece of paper

What to do:

1. Fill the glass with water.
2. Place the mirror inside at an angle.
3. Shine the flashlight onto the mirror, or place the glass where sunlight hits it.
4. Hold the white paper behind or above the glass until a rainbow appears.

What’s happening:
When light passes through water, it bends and separates into different colors. That’s the same basic reason rainbows appear after it rains.

3. Make color rain in a jar

Core Lens | Canva

This one is always a hit because kids can actually watch color fall and swirl through the water, kind of like rain moving through the sky.

What kids learn:
Liquid density, how substances mix (or don’t), and how movement happens in water

What you need:

• A clear jar or glass
• Water
• A few tablespoons of cooking oil
• Food coloring

What to do:

1. Fill the jar most of the way with water.
2. Add a layer of oil on top.
3. Drop food coloring into the oil.
4. Watch as the color slowly breaks through and falls into the water below.

What’s happening:
Oil and water don’t mix, so the food coloring sits in the oil at first. Once it becomes heavy enough, it breaks through and falls into the water, creating a rain-like effect as it spreads and swirls.

4. Grow a rainy day garden

500 | Canva

If your kids like digging in dirt or checking on things every day, this one’s an easy win.

What kids learn:
Plant growth, water absorption, and what seeds need to sprout

What you need:

• A clear plastic cup or small pot
• Soil
• Seeds such as beans, herbs, or flowers
• Water

What to do:

1. Fill the cup or pot with soil.
2. Place a few seeds inside and lightly cover them.
3. Water gently until the soil is damp.
4. Set the cup in a sunny window or outside in a safe spot.
5. Check it daily and watch for changes.

What’s happening:
Seeds need water, warmth, and sunlight to grow. Spring rain helps create the conditions plants need to start growing again.

Try this:
Plant two cups side by side and water only one. Kids love seeing which one grows better.

5. Try a Skittles rainbow

Nicholas J. Klein | Canva

This one feels a little like magic, which is probably why kids love it.

What kids learn:
Color dissolving, patterns, and how water moves through the candy coating

What you need:

• A plate
• Skittles
• Warm water

What to do:

1. Arrange the Skittles in a circle around the edge of the plate.
2. Pour a small amount of warm water into the center.
3. Watch the colors spread inward.

What’s happening:
The candy coating dissolves in the water, and the colors spread out from each piece to create a rainbow effect.

A few mom-to-mom tips before you start

• Don’t overthink it. Kids do not need these to look Pinterest-perfect.
• Let them make guesses before you explain what’s happening.
• Pick one experiment, not all five. This is supposed to help, not become a project.
• Take the messier ones outside when you can.

Simple science wins for spring

These easy spring science experiments are a nice reminder that learning does not have to be complicated to be memorable.

Sometimes it’s just bubbles in the backyard, a jar on the counter, or a few drops of color and a little curiosity to create a memorable STEAM afternoon at home with your kids. Have fun learning!