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5 Easy Science Experiments for Kids to Try at Home During Summer Holidays

  08-04-2025

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5 Easy Science Experiments to Do at Home During Summer Holidays: A Step-By-Step Guide

Looking for fun and educational activities to keep the kids busy during the summer holidays? These 5 easy science experiments are perfect for curious minds—and the best part is, you can do them right at home with everyday items! From bubbling reactions to rainbow-colored milk, each activity comes with step-by-step instructions to make learning science exciting and simple.

1. Magic Milk Experiment

What You’ll Need:

A shallow dish or plate

Milk (whole or 2% works best)

Food coloring

Dish soap

Cotton swab or toothpick

Steps:

  1. Pour milk into the dish, enough to cover the bottom.
  2. Add a few drops of different food colors around the milk.
  3. Dip the cotton swab in dish soap.
  4. Touch the center of the milk with the soapy swab—and watch the colors dance!

What’s Happening?
Dish soap breaks the surface tension of the milk and reacts with the fat molecules, causing the colors to swirl and mix.

Watch  Magic Milk Experiment

2. Baking Soda and Vinegar Volcano

What You’ll Need:

A plastic bottle or cup

Baking soda

Vinegar

Red/orange food coloring (optional)

Dish soap (optional)

Tray or large plate (to catch the mess)

Watch The Video

Steps:

  1. Place the bottle on the tray and fill it with 2–3 tablespoons of baking soda.
  2. Add a few drops of food coloring and a squirt of dish soap.
  3. Pour vinegar into the bottle—and stand back for the eruption!

What’s Happening?
Baking soda (a base) reacts with vinegar (an acid) to release carbon dioxide gas, causing a fizzy explosion.

Watch Baking Soda and Vinegar Volcano

3. Rainbow Walking Water

What You’ll Need:

6 clear cups or glasses

Water

Paper towels

Food coloring (red, yellow, blue)

Steps:

  1. Arrange the cups in a circle or straight line. Fill every other cup with water.
  2. Add food coloring to the water cups (red, yellow, blue).
  3. Fold paper towels into strips and place one end in awater cup and the other end in an Empty cup next to it.
  4. Watch over the next few hours as the water “walks” and mixes to form new colors!

What’s Happening?
Capillary action pulls water through the paper towels, mixing the colored water to form secondary colors.

Watch Rainbow Walking Water

4. Balloon Blow-Up with No Mouth!

What You’ll Need:

A balloon

A plastic bottle

Baking soda

Vinegar

Funnel or paper cone

Steps:

  1. Pour vinegar halfway into the bottle.
  2. Use a funnel to fill the balloon with baking soda.
  3. Carefully stretch the balloon’s opening over the bottle mouth, keeping the baking soda inside.
  4. Lift the balloon to let the baking soda fall into the vinegar—and watch it inflate!

What’s Happening?
The chemical reaction between baking soda and vinegar produces carbon dioxide, which inflates the balloon.

Watch Balloon Blow-Up with No Mouth

5. Invisible Ink with Lemon Juice

What You’ll Need:

Lemon juice

Cotton swabor paintbrush

White paper

Light bulb or candle (with adult help)

Steps:

  1. Dip the cotton swab in lemon juice and write a secret message on the paper.
  2. Let it dry completely.
  3. With adult supervision, hold the paper near a light bulb or candle flame (not too close!).
  4. The message appears in brown!

What’s Happening?
Lemon juice oxidizes and turns brown when heated, revealing your “invisible” writing.

Watch Invisible Ink with Lemon Juice

Science doesn’t have to be complicated to be cool! These easy experiments help kids explore big ideas like chemical reactions, states of matter, and surface tension—all while having fun. So this summer, turn your kitchen into a mini science lab and make learning unforgettable.

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