What are Some Simple Science Experiments?

Physics Wallah Academic Expert
November 23, 2023

What Are Some Simple Science Experiments: In a world where curiosity is the key, science experiments become a portal to unlock the secrets of the universe. Imagine turning everyday items into tools for understanding the world. Simple science experiments offer just that—a thrilling journey of learning, right from your home.

 Science has a unique way of explaining the world, and through hands-on experiments, you can explore its enchanting magic. Whether you're a parent sparking your child's curiosity or a lifelong learner seeking exciting discoveries, this article is your ticket to a world of knowledge and wonder. From kits to everyday experiments, let's dive into the realm of simple science and unleash the scientist within.

6 Cool Science Experiment Kits

Science experiment kits are a fantastic way to introduce budding young scientists to the wonders of scientific exploration. These kits often come with all the materials and instructions you need to perform exciting experiments. Let's explore 6 cool science experiment kits and the experiments you can do with them.

1. PhysicsWallah Fundo Experiment Kit

The Fundo Experiment Kit is a science kit developed by Physics Wallah for students of classes 6 and 7. It contains all the materials you need to perform 20+ experiments related to physics, chemistry, and biology. The kit also comes with a set of videos that explain how to perform the experiments step-by-step.

The Fundo Experiment Kit is a great way for students to learn science in a fun and interactive way. The experiments are designed to be engaging and challenging, and they help students to develop their critical thinking skills. The kit also promotes scientific literacy and encourages students to explore the world around them.

Here are some of the features of the fundo experiment kit:

  1. More than 15 Experiments: Our kit includes over 15 individual experiments, each packaged for convenient use.

  2. Aligned with NEP 2020 Science Curriculum: These experiments are thoughtfully designed in accordance with the NEP 2020 curriculum.

  3. Organised by Chapter and Topic: We've organised the experiments according to the chapters and topics, making it easy for students to reference related theories.

  4. Comprehensive Video Explanations: Every experiment in the kit is accompanied by expert-led video explanations and theoretical interpretations.

  5. Student-Friendly Manual: We provide a concise manual to help students navigate the experiment kit effectively.

  6. Prioritising Safety and Ease of Use: Our kit strictly adheres to safety protocols, ensuring a secure and user-friendly experience.

2. Crystal Growing Kit

Crystals are fascinating structures with a highly organised and repeating pattern of molecules. This kit allows you to observe and even grow your own crystals.

Experiment Explanation

  1. Nucleation: Crystals start from tiny particles called nucleation sites. In the kit, you'll find a solution saturated with crystal-forming molecules. When you introduce a seed crystal or rough surface, the molecules begin to gather around it, forming your first crystal.

  2. Growth: As you patiently let your crystal sit, more and more molecules join the crystal structure, causing it to grow. The science behind this is the principle of supersaturation, where there are more dissolved particles than the solution can normally hold.

Steps to Grow Crystals at Home:

  1. Dissolve the crystal-growing powder in warm water as instructed.

  2. Place the seed crystal in the solution and let it sit.

  3. Observe the gradual growth of your crystal over several days.

3. Volcano Eruption Kit

Volcanic eruptions occur due to the buildup of pressure from molten rock (magma) beneath the Earth's surface. The release of this pressure results in an explosive eruption.

Experiment Explanation

  1. Modelling Magma: In this kit, you'll create a model volcano, simulating the magma chamber beneath the Earth's surface using a baking soda and vinegar reaction. Baking soda represents the base, while vinegar acts as the acid.

  2. Eruption Simulation: When you combine the two, a chemical reaction occurs, producing carbon dioxide gas. This gas builds up pressure inside the volcano (your model), leading to a dramatic eruption, just like a real volcano.

Steps to Create a Volcanic Eruption at Home

  1. Build a volcano model using clay or paper-mâché as per the kit's instructions.

  2. Place baking soda inside the volcano.

  3. Pour vinegar into the volcano to trigger the eruption.

4. Physics and Magnetism Kit

Introduction to Physics and Magnetism: This kit is an exciting introduction to the world of physics, particularly the principles of magnetism and electromagnetism.

Experiment Explanation

  1. Magnetic Fields: Magnets have two poles, North and South. Like poles repel, while opposite poles attract. This kit helps you understand magnetic fields and how they interact with each other.

  2. Simple Circuits: You'll also explore the basics of electricity and create simple circuits. These circuits can power small devices or move objects with magnetic force.

Fun Magnetism Experiments for Kids

  1. Experiment with different types of magnets and observe their interactions.

  2. Create a basic electromagnet by wrapping wire around a nail and connecting it to a battery. Test its ability to attract small metal objects.

5. Chemistry Set

Chemistry sets are perfect for introducing the world of chemical reactions. Understanding the basics of how chemicals interact can be both fun and educational.

Experiment Explanation

  1. Chemical Reactions: Chemical reactions involve the breaking and forming of chemical bonds. This kit includes various chemicals that, when combined, produce visually striking reactions, such as colourful changes or the release of gases.

  2. Safety First: Before diving into these experiments, ensure you read and understand the safety guidelines. Chemistry sets may involve the use of potentially hazardous materials, so adult supervision is crucial.

Simple Chemical Experiments Using the Kit

  1. Mix different chemicals and observe the reactions.

  2. Try a classic experiment like the baking soda and vinegar reaction, which produces carbon dioxide gas and leads to effervescence.

6. Electronics and Circuits Kit

This kit is an entry point into the fascinating world of electronics and circuits. It provides hands-on experience with the building blocks of modern technology.

Experiment Explanation

  1. Understanding Circuits: A circuit is a closed loop through which electricity flows. This kit allows you to experiment with basic components like wires, switches, LEDs, and resistors to create simple circuits.

  2. Electronic Projects: You can build small electronic projects such as a light-sensitive alarm or a simple radio. These projects help you grasp how different components work together to achieve specific functions.

Building Basic Electronic Projects

  1. Follow the kit's instructions to build a simple circuit.

  2. Experiment with different components to understand their roles in the circuit.

  3. Explore more complex projects as you gain confidence in electronics.

5 Simple Science Experiments at Home with Explanation 

Science comes alive when you can see and understand its principles in action. These five simple science experiments are not only fun to conduct but also provide insightful explanations that demystify the underlying scientific concepts.

1. Density Rainbow


Density is a fundamental concept in science, and it's the measure of how much mass is packed into a given volume. Different substances have different densities, and this experiment vividly illustrates this concept with a beautiful density rainbow.

  1. Understanding Density: Density is defined as the mass of an object divided by its volume. In this experiment, we'll use five different liquids with distinct densities: honey, corn syrup, dish soap, water, and vegetable oil.

  2. Layering Liquids: To create the density rainbow, you'll need a clear glass, preferably a tall one. Start by carefully pouring the densest liquid, such as honey, into the glass. Then, layer the other liquids in order of decreasing density, with corn syrup, dish soap, water, and vegetable oil following in that order.

  3. Observing the Magic: As each liquid is poured, it forms a distinct layer above the one beneath it due to its differing density. The result is a visually captivating rainbow of colourful layers within the glass, with each colour representing a different liquid's density. This experiment beautifully demonstrates how substances of varying densities arrange themselves in a specific order.

2. Invisible Ink


Unlock the world of secret messages with invisible ink. This experiment reveals the fascinating chemistry of hidden writing and how it can be unveiled.

  1. The Science Behind It: Invisible ink relies on the principle of oxidation. The ink is initially invisible because it's made of substances that are transparent or colourless.

  2. Creating Invisible Ink: To make your own invisible ink, you can use everyday substances like lemon juice or milk. These substances contain compounds that are initially colourless but change colour when they react with oxygen.

  3. Revealing the Message: Write your message on paper using invisible ink. Initially, the message remains hidden. To reveal it, gently apply a heat source, such as a light bulb, candle flame, or an iron, to the paper. As the ink reacts with oxygen from the air, it oxidises and turns visible, unveiling the concealed message.

3. Egg in a Bottle


This classic experiment showcases the intriguing behaviour of air pressure and demonstrates how it can be harnessed to perform fascinating feats.

  1. Understanding Air Pressure: Air pressure is the force exerted by the weight of air above a given point in the Earth's atmosphere. In this experiment, we manipulate air pressure to achieve a mesmerising result.

  2. Setting Up the Experiment: To perform this experiment, you'll need a hard-boiled egg, a glass bottle, a strip of burning paper or matches, and a container of cold water. Start by peeling the hard-boiled egg.

  3. Creating a Vacuum: Light the strip of paper or matches and place it inside the bottle. Quickly place the peeled egg on the bottle's mouth. As the fire goes out, it creates a partial vacuum inside the bottle. This reduction in air pressure inside the bottle is the key to the experiment.

  4. Egg's Journey: With the internal air pressure reduced, the external air pressure remains higher, which results in the external air pressure pushing the egg into the bottle. This experiment beautifully illustrates how changes in air pressure can lead to surprising and captivating outcomes.

4. Lemon Battery


Harness the power of a lemon to generate electricity and gain insights into basic chemistry and electrochemistry.

  1. The Science Behind It: A lemon battery operates on the principles of redox reactions (reduction and oxidation) and electrochemistry. The battery's components are the lemon, two different metals (usually zinc and copper), and connecting wires.

  2. Setting Up a Lemon Battery: To create a lemon battery, insert a zinc-coated nail and a copper coin into the lemon. Attach wires to each metal. This setup allows for the transfer of electrons between the metals.

  3. Electron Flow: The zinc undergoes oxidation, losing electrons, and the copper undergoes reduction, gaining electrons. This creates a flow of electrons, generating a small electric current.

  4. Applications: While a lemon battery won't power your household appliances, it's a fantastic experiment to illustrate how chemical reactions can generate electricity. You can use the battery to power small devices like an LED light or a digital clock, highlighting the practical applications of this experiment.

5. Rainbow in a Jar


The rainbow in a jar experiment explores the scientific concept of density and the layering of liquids with different densities to create an eye-catching visual display.

  1. Density at Play: As previously discussed, density is a measure of how much mass is packed into a given volume. Different liquids have different densities, and this experiment visually demonstrates how this concept works.

  2. Materials Required: To perform this experiment, you'll need a clear glass, water, and several other liquids with varying densities. Common choices include corn syrup, dish soap, and vegetable oil.

  3. Creating the Rainbow: Start by filling the clear glass with water and adding a few drops of food colouring to make it colourful. Carefully pour each of the other liquids with different densities on top of the water, one at a time. Each liquid forms a distinct layer, stacking upon the one beneath it. The result is a visually striking rainbow effect.

  4. Understanding Density Layers: Each layer represents a different liquid with its unique density. The layers remain separate and distinct because the liquids have different densities, emphasising the concept of density as a fundamental property of matter.

Additional Kits

Fundo Experiment Kit Class 7th

4 Simple Science Experiments at Home

1. DIY Lava Lamp

Materials Needed

  • Clear empty plastic bottle

  • Vegetable oil

  • Water

  • Food colouring

  • Alka-Seltzer tablets


  1. Fill the plastic bottle about one-third full with water.

  2. Add vegetable oil until the bottle is almost full, leaving a small gap at the top.

  3. Wait for the oil and water to separate, with the water settling at the bottom.

  4. Add a few drops of food colouring to the bottle, choosing a colour you like.

  5. Break an Alka-Seltzer tablet into smaller pieces.

  6. Drop a piece of the Alka-Seltzer tablet into the bottle and observe the colourful bubbles rising through the oil, resembling a lava lamp.

2. Baking Soda and Vinegar Volcano

Materials Needed

  • Empty plastic bottle

  • Cardboard

  • Clay or playdough

  • Baking soda

  • Vinegar

  • Red food colouring (optional)


  1. Create a volcano shape by moulding the clay or playdough around the plastic bottle.

  2. Add a few tablespoons of baking soda into the plastic bottle.

  3. Add a few drops of red food colouring to give your "lava" a realistic appearance (optional).

  4. Pour vinegar into the bottle, and watch the eruption as the vinegar reacts with the baking soda, creating a bubbly eruption.

3. Balloon Rocket

Materials Needed

  • Drinking straw

  • String

  • Tape

  • Balloon


  1. Thread a string through the straw and tie the ends securely to create a straight line.

  2. Inflate a balloon and pinch the end, keeping the air inside.

  3. Tape the balloon to the straw, ensuring it points in one direction.

  4. Release the balloon and watch it zoom along the string as the air rushes out, demonstrating Newton's third law of motion.

4. Homemade Slime

Materials Needed

  • White school glue (e.g., Elmer's)

  • Borax

  • Water

  • Food colouring (optional)


  1. In a mixing bowl, combine 1/2 cup of white glue and 1/2 cup of water. Add a few drops of food colouring if you want coloured slime.

  2. In a separate container, dissolve 1 teaspoon of borax in 1/2 cup of warm water.

  3. Slowly add the borax solution to the glue mixture and stir. You'll notice the slime forming.

  4. Continue mixing and kneading the slime until it reaches the desired consistency. Excess liquid can be poured off.

  5. Play with your homemade slime and enjoy its unique texture.

5 Simple Experiment Examples

1. Paper Airplane Flight

Paper aeroplanes offer a fun lesson in aerodynamics. By experimenting with different fold angles and wing shapes, you can discover how these factors influence the flight of your paper aircraft.

2. Floating Egg

Explore buoyancy and density by placing an egg in water and then in a saltwater solution. This simple experiment demonstrates how variations in liquid density affect an object's ability to float or sink.

3. Water and Oil Fireworks

Unveil the science of immiscibility and density by creating vibrant "water and oil fireworks" in a glass. This experiment showcases how liquids of different densities interact to form striking patterns.

4. Rainbow Reflection

Learn about light and refraction as you create a rainbow reflection with just a glass of water and sunlight. Understand how the glass acts as a prism, separating sunlight into a beautiful spectrum of colours.

5. DIY Sundial

Delve into the Earth's rotation and timekeeping by building a simple sundial. As the sun's position changes, the sundial's shadow moves, offering a hands-on lesson in tracking time through the day.


These simple science experiments are the key to unlocking a world of wonder and learning. From growing crystals to launching paper rockets, they offer a hands-on adventure in understanding the world around us. Science isn't just a subject; it's a journey filled with awe and curiosity. So, dive in, explore, and let these experiments spark your lifelong love for science. The wonders of the universe are at your fingertips, waiting to be discovered one experiment at a time.

Want to help your child ace their science exams? The Fundo Experiment Kit is the perfect way to prepare. With step-by-step instructions and videos, your child will be able to master the concepts they need to know. Order your kit today and give your child the edge they need to succeed!

What Are Some Simple Science Experiments FAQs

  1. How do I encourage a child's interest in science through these experiments?

Make science experiments a family activity, offer praise and encouragement, and allow children to choose experiments that pique their interest. Positive experiences will foster a love for science.

  1. Can I find science experiment kits at local stores or only online?

You can often find science experiment kits at local educational toy stores, hobby shops, or even some larger department stores. Online retailers also offer a wide selection.

  1. What do I do if an experiment doesn't go as planned?

Not all experiments yield perfect results. It's a valuable lesson for both children and adults. Analyse what went wrong and try the experiment again, adjusting variables as needed.

  1. How can I make science experiments more eco-friendly?

Choose experiments that use minimal resources or can be reused. Additionally, focus on recycling and upcycling in your experiments to reduce waste.

  1. Can simple science experiments inspire a career in science?

Yes, many scientists were first inspired by simple science experiments they conducted as children. They can ignite a lifelong passion for scientific discovery. 

  1. Are there any experiments that involve technology or computers?

Yes, there are many experiments that incorporate technology. You can explore coding, robotics, or data analysis through simple experiments using smartphones or computers.

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