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Published Apr 18, 2024 ⦁ 12 min read
Interesting Science Activities for Students: Home Experiments

Interesting Science Activities for Students: Home Experiments

Discover easy and engaging science activities you can do at home with everyday items! From creating a homemade lava lamp and magic milk art to growing crystal candies and making invisible ink, these experiments offer a fun way to explore chemistry, physics, and biology. Perfect for students and kids curious about the world around them, each activity is safe, simple, and designed to spark creativity and critical thinking. Dive into these experiments and watch science come to life right before your eyes.

  • Homemade Lava Lamp: Learn about liquid densities and chemical reactions.
  • Magic Milk Art: Explore the interaction between soap and milk fats.
  • Dancing Raisins: See how gas bubbles can make raisins dance in water.
  • Crystal Candy: Grow your own crystals using borax.
  • Invisible Ink: Send secret messages with a simple chemical reaction.
  • Elephant Toothpaste: Witness a colorful, explosive chemical reaction.
  • DIY Volcano: Create a bubbly, erupting volcano with baking soda and vinegar.

These activities not only make science exciting but also enhance problem-solving skills and curiosity, using materials readily available at home.

1. Homemade Lava Lamp

Making a homemade lava lamp is a fun way to see science in action right on your kitchen table. It's a simple project that shows how some liquids don't mix and how a chemical reaction can make things move around.

You'll need these things:

  • A clear glass jar or plastic bottle
  • Vegetable oil
  • Water
  • Food coloring
  • Alka-Seltzer tablet


  • Pour water into the container until it's about 1/4 full and add a few drops of food coloring.
  • Fill the rest of the container with vegetable oil, leaving a little space at the top.
  • Break an Alka-Seltzer tablet into small pieces and drop them into the container.
  • Watch as the water and oil separate because they have different weights. The colored water sinks, and when the Alka-Seltzer reacts with it, it creates gas bubbles. These bubbles grab some of the colored water and float up through the oil. When they pop at the top, the colored water falls back down.

This experiment is a cool way to see how oil and water don't mix and how a simple reaction can make something that looks like a lava lamp. Kids can try different things, like changing the food coloring or how much Alka-Seltzer they use, to see what happens. It's a great way to learn by doing and to get curious about how things work.

2. Magic Milk Art

Magic milk art is a simple and fun way to mix colors in milk. It's a neat activity that combines science with creating art.

You'll need these items:

  • Whole milk
  • Food coloring (at least 3 different colors)
  • Dish soap
  • Cotton swabs
  • A shallow dish or plate


  • Pour milk into the dish until it just covers the bottom.
  • Drop different food coloring colors into the milk.
  • Dip a cotton swab into the dish soap.
  • Lightly touch the milk's surface with the soapy cotton swab in various places.
  • Watch as the colors start moving and mixing together.
  • Keep touching the milk with the swab in different spots to make more patterns.

This activity shows what happens when soap mixes with milk. The soap breaks down the fat in the milk, letting the colors spread out and create cool patterns. Each time you touch the milk with soap, it changes the way the colors move.

Kids can try using different colors or mixing two colors to see how they blend. It's a fun way to learn about how soap affects milk and to play with colors at the same time.

3. Dancing Raisins

This experiment is all about making raisins move up and down in water, just like they're dancing. Here's what you need:

  • Raisins
  • A clear glass or jar
  • Sparkling water


  • Put some raisins into the glass or jar.
  • Fill the glass halfway with sparkling water.
  • Keep an eye on the raisins. You'll see them start to move up and down.

The reason the raisins move is that the sparkling water releases gas bubbles. These bubbles stick to the raisins, lifting them up. Once the bubbles pop at the top, the raisins drop back down.

This makes it look like the raisins are dancing in the water. If you want to try more, see what happens with different drinks like soda. It's a simple way to show how gas in liquids works.

4. Crystal Candy

Growing crystal candy is a cool way to see chemistry in action and end up with something pretty to look at. You only need a few things from around the house to get started.

Here's what you need:

  • Pipe cleaners or string
  • A glass jar
  • Hot water
  • Borax powder
  • Food coloring (if you want your crystals to have color)


  • Shape the pipe cleaners into any form you like or tie a string to a pencil. Put this in the jar and rest the pencil on the jar's rim to keep it in place.
  • Mix 1 cup of hot water with 3 tablespoons of borax powder in another container. Stir until it's all dissolved. Add a few drops of food coloring if you like.
  • Pour the borax mixture into the jar carefully, covering the pipe cleaner or string.
  • Leave the jar alone for 3-5 days. During this time, as the water slowly goes away, borax crystals will start to stick to the pipe cleaner.
  • When your crystal is big enough, take it out of the jar and check out the cool crystal you made!

This experiment is a neat way to learn about how crystals grow from a liquid as it dries up. Using simple stuff like borax and hot water, kids can watch their own crystals take shape. It's a hands-on way to understand science concepts like how solutions work and what happens when liquids turn into solids. Plus, they get a shiny crystal craft to keep!

5. Invisible Ink

Making invisible ink is a cool way to send hidden messages. This simple experiment lets you use common kitchen items to create ink that only shows up under certain conditions.

You'll need:

  • Baking soda
  • Water
  • Grape juice or other dark juice/food coloring
  • A paintbrush
  • White paper


  • Mix the same amount of baking soda and water in a small bowl until it's smooth.
  • Add a few drops of grape juice or food coloring so the mix is just a little colored.
  • Dip the paintbrush in your mix and write a message on the white paper. Wait for it to dry.
  • To see the message, brush over it with grape juice or a similar dark liquid. Your secret note will show up!

This trick works because baking soda is a base that reacts with acids like those in fruit juices. When they mix, the juice changes color and makes the message visible.

This is a fun way for kids to play detective or surprise their friends with secret notes. It's also a great way to introduce them to basic science ideas like acid-base reactions. Plus, experimenting with different liquids or changing the recipe can be a fun indoor activity that encourages kids to observe and learn.

6. Elephant Toothpaste

Elephant toothpaste is a cool and colorful way to see a chemical reaction in action. Here's what you need:

  • Plastic bottle
  • Hydrogen peroxide
  • Dry yeast
  • Dish soap
  • Food coloring
  • Safety goggles


  • First, make sure to wear safety goggles for protection.
  • Pour hydrogen peroxide into the bottle, add a squirt of dish soap, and a few drops of food coloring.
  • In a different cup, mix some warm water with the yeast.
  • Now, pour the yeast mix into the bottle.

You'll see a lot of foam forming quickly. This happens because the yeast helps break down the hydrogen peroxide, releasing oxygen gas fast and creating lots of bubbles.

Things to try:

  • Change the amount of yeast or hydrogen peroxide and see what happens.
  • Experiment with different amounts of food coloring.
  • Try using bottles of various sizes. Does it affect the speed of the foam?

This experiment is a fun way to learn about chemical reactions. The quick foam shows how certain ingredients can speed up a reaction, and it's a blast to watch. Plus, kids can play around with different variables to see how they impact the reaction, making it a perfect hands-on learning activity.

7. DIY Volcano

Making a volcano at home is a really fun way to see a cool science reaction using stuff you've got in the kitchen. It's easy to do and super exciting.

Here's what you need:

  • 1 cup baking soda
  • Vinegar
  • An empty plastic bottle or a cardboard box
  • Playdough or clay
  • Red food coloring (if you want)


  • Use the playdough or clay to make a volcano shape around the plastic bottle or cardboard box. Make a big hole at the top so you can pour in vinegar later.
  • Put the baking soda into the bottle or box to fill up your volcano.
  • Mix some red food coloring with vinegar. This will look like lava when we mix everything together.
  • Pour the vinegar into the top of the volcano. Get ready - the reaction starts right away!

When you mix the vinegar (an acid) with baking soda (a base), they react and make lots of bubbles and fizz. This looks like lava overflowing from your volcano. It's because they make carbon dioxide gas when they mix.

Here are some ways to play around with your volcano:

  • Try using more or less baking soda or vinegar to see how big you can make the reaction.
  • Make a few small volcanoes and see how the height changes things.
  • Use a funnel or straws in the top to make the lava go in different directions.

Building your own volcano is not just fun, it's a cool way to learn about chemical reactions. Plus, you can get creative making and decorating the volcano!


These science activities are a great mix of fun and learning. They let students see science in action right at home. By trying out these experiments, kids can get a better grasp of science and learn by actually doing things.

Here's what's important to remember:

  • Experiments at home make science exciting. Seeing science in action with things like homemade lava lamps helps kids understand and think creatively.
  • Home science projects help with thinking skills. Making guesses, figuring out why something didn't work, and looking at what happens are all good for the brain.
  • Science makes kids curious. Doing things like mixing colors in milk or watching raisins dance sparks questions and makes kids want to learn more.
  • You don't need fancy stuff. These DIY projects use simple things from around the house, so they're easy and cheap to do.
  • Be safe. With an adult's help and maybe some goggles, these science activities are safe and fun ways to learn.

Trying out science at home shows kids that it's not just about facts and figures; it's a way to explore and understand the world. These experiments are a chance for kids to be little scientists, learning by doing and having a good time. It's all about keeping that curiosity alive!


How do you make a science project at home?

Here are some easy science experiments you can try at home with things you probably have around:

  • Taste the Rainbow: Put different food colors on coffee filters and watch how they spread. This shows how water can move through materials.
  • Crystallize sweet treats: Mix a lot of sugar or salt in water until no more dissolves. Hang a string or a paperclip in the solution and wait to see crystals form after a few days.
  • Make a volcano erupt: Use baking soda and vinegar in a homemade volcano model to create a bubbly reaction that looks like lava.
  • Make elephant toothpaste: Combine yeast, hydrogen peroxide, soap, and food coloring to make a big, foamy mess that looks like toothpaste.
  • Blow big bubbles: Experiment with different bubble solutions, like adding sugar to water, to see who can make the biggest bubble.
  • Demonstrate a "magic" leakproof bag: Fill a bag with water and poke pencils through without spilling. The plastic stretches around the pencil, keeping the water in.
  • Watch apple slices turn brown: Leave apple slices out and see them change color as they react with the air.

What is an easy science experiment?

Here are some simple experiments that don't need much:

  • Grow crystals by mixing lots of salt or sugar in water. Put in a string or paper clip and watch crystals form.
  • Show a chemical reaction by mixing baking soda and vinegar.
  • See which liquids layer on top of each other, like oil on water.
  • Drop different objects to see how gravity works.
  • Use food coloring to watch how plants drink water.

These activities help kids learn basic science, like chemistry and physics, with things you have at home.

What is magic milk experiment?

The magic milk experiment is a fun way to see colors move in milk. Here's how to do it:

  • Fill a shallow tray with milk.
  • Drop different food coloring spots into the milk.
  • Dip a cotton swab in dish soap.
  • Gently touch the swab to the milk. Watch as the colors spread out fast.

This happens because the soap breaks up the milk's fat, making the colors spread. It's a cool way to see how soap changes milk.

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