5 At-Home Science Experiments for Young Minds to Discover

18 August 2023

Science is all around us, and what better way to instil scientific curiosity in young minds than through hands-on experiments? Exploring science at home not only nurtures creativity but also develops critical thinking skills. In this blog, we present five exciting and safe science experiments for young enthusiasts to discover and learn.

Dancing Raisins

Materials needed: Clear glass, water, raisins, and carbonated beverage.


  • Fill the glass with water, leaving some space at the top.
  • Drop a few raisins into the water and observe them sinking to the bottom.
  • Pour a carbonated beverage into the glass and keenly observe.


What's happening?

Carbonated beverages, like soda, contain dissolved carbon dioxide gas. When you pour the soda into the glass, the carbon dioxide bubbles attach to the raisins, making them float. This simple experiment demonstrates the phenomenon of buoyancy and the importance of gases in everyday life.

Balloon Power

Materials needed: Empty water bottle, baking soda, vinegar, balloon.


  • Fill the water bottle halfway with vinegar.
  • Stretch the balloon to loosen it and set it aside.
  • Add a tablespoon of baking soda to the balloon.
  • Carefully place the balloon over the mouth of the water bottle.
  • Lift the balloon, allowing the baking soda to fall into the vinegar inside the bottle.


What's happening?

Baking soda is a base, and vinegar is an acid. When these two substances combine, they undergo a chemical reaction that produces carbon dioxide gas. This gas fills the balloon, causing it to expand. Through this experiment, kids learn about chemical reactions and the production of gases.

Rainbow Milk

Materials needed: Milk, food colouring, dish soap, shallow dish or plate.


  • Pour milk into the shallow dish, covering the bottom.
  • Add a few drops of various colours of food colouring to the milk, making small dots.
  • Dip a cotton swab into a small amount of dish soap and touch the milk with the soapy cotton swab.


What's happening?

Milk contains fat molecules, which are repelled by water. When the soap is added, it weakens these fat molecules, causing them to move. As the fat molecules move, they drag the food colouring along with them, creating a mesmerizing display of colours. This experiment helps children understand the concepts of molecular movement and the interaction between different substances.

Exploding Lunch Bag

Materials needed: Ziplock bag, vinegar, baking soda, tissue paper, and safety glasses.


  • Put three tablespoons of vinegar into the zip lock bag.
  • Add a tablespoon of baking soda to the tissue paper, wrap it up, and quickly seal the bag.
  • Place the bag on a flat surface, step back, and observe the explosion.


What's happening?

When baking soda (a base) reacts with vinegar (an acid), it produces carbon dioxide gas. In a sealed bag, the pressure from the gas buildup eventually causes it to burst. This experiment introduces kids to the concept of gas pressure and the potential energy stored within substances.

Homemade Lava Lamp

Materials needed: Wide glass or container, vegetable oil, water, food colouring, and an Alka-Seltzer tablet.


  • Fill the glass/container about two-thirds full with vegetable oil.
  • Add water until the glass is about 80% full.
  • Add a few drops of food colouring to the mixture.
  • Drop a piece of Alka-Seltzer tablet into the glass and observe the reaction.


What's happening?

Oil and water do not mix due to their different densities. When the Alka-Seltzer tablet is added, it reacts with water to produce carbon dioxide bubbles. These bubbles rise through the oil and mix with the colourful water, resembling a mini lava lamp. This experiment allows children to explore density, chemical reactions, and the behaviour of liquids.

Engaging in these fascinating science experiments at home can kindle a passion for discovery and learning in young minds. These experiments go beyond textbooks and theoretical knowledge, providing children with hands-on experiences that make science fun and accessible. So, roll up your sleeves and get ready to explore the wonders of science right from the comfort of your home – don’t forget to stay safe while having fun.

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