5 Viral STEM Experiments Everyone Should Try
- Samantha Peers
- Sep 20
- 4 min read
Updated: Sep 22

STEM (Science, Technology, Engineering, and Mathematics) education extends far beyond the classroom. It offers a fun and interactive way for everyone - whether you're a parent aiming to inspire your kids, a teacher in search of innovative teaching ideas, or simply a curious individual - to engage with science. These five viral STEM experiments are entertaining and educational, making them suitable for all ages. Let’s jump into these exciting projects that have captured the fascination of many!
1. The Classic Volcano Eruption
One of the most popular STEM experiments is the classic volcano eruption. It illustrates a chemical reaction between baking soda and vinegar, creating an eruption that mimics a real volcanic explosion.
Materials Needed
2 tablespoons of baking soda
1 cup of vinegar
A few drops of food coloring (optional)
A plastic bottle
A tray or large dish to catch overflow
Instructions
Place the bottle on the tray to catch spills.
Add the baking soda to the bottle.
For a colorful eruption, mix in a few drops of food coloring.
Slowly pour vinegar into the bottle and watch the eruption unfold!
Why It’s Viral
This experiment is visually impressive and easy to prepare. It teaches kids about chemical reactions, making it a perfect way to introduce them to basic scientific principles in a fun setting. Studies show that hands-on learning enhances retention, making this experiment memorable. Reports suggest that 90 percent of information retained comes from practical activities compared to just 10 percent from lectures.

2. The Dancing Raisins
This delightful experiment helps explore density and buoyancy using common household items. The dancing raisins will amaze as they appear to come to life in a glass of soda!
Materials Needed
A clear glass
1 cup of carbonated soda (like Sprite or club soda)
A handful of raisins
Instructions
Fill the glass with soda.
Drop a few raisins into the glass.
Observe as the raisins sink and then rise - a mesmerizing dance in the bubbles!
Why It’s Viral
The dancing raisins experiment beautifully showcases gas bubbles attaching to the raisins, which makes them buoyant. It’s an engaging way to explore scientific ideas while enjoying a fizzy drink. Parents note that children are 70 percent more likely to remember concepts when they can visually see them in action.

3. The Invisible Ink Experiment
Become a secret agent with the invisible ink experiment! This fun activity teaches about acids and bases while allowing you to create clandestine messages.
Materials Needed
2 tablespoons of lemon juice or a baking soda solution
Cotton swabs or a paintbrush
White paper
A heat source (like a lamp or iron)
Instructions
Dip the cotton swab or paintbrush into lemon juice or baking soda solution.
Write a secret message on the white paper.
Let the paper dry.
Hold the dried paper near a heat source (exercise caution not to burn it) to reveal the message!
Why It’s Viral
The excitement of writing secret messages and revealing them makes this experiment a hit with both kids and adults. It creatively introduces chemical reactions and the properties of acids and bases. Surveys highlight that over 80 percent of kids find hands-on science activities like this engaging, leading to a positive view of learning.

4. The Egg in a Bottle Challenge
This experiment is a classic demonstration of air pressure and temperature changes. It's a fun challenge that showcases the power of atmospheric pressure!
Materials Needed
1 hard-boiled egg (peeled)
A glass bottle with a neck slightly smaller than the egg
Matches or a lighter
A piece of paper
Instructions
Light the paper and drop it into the bottle.
Quickly place the hard-boiled egg on the opening of the bottle.
Stand back and watch as the egg is sucked into the bottle!
Why It’s Viral
The egg in a bottle challenge captivates audiences with its dramatic effect. It’s an excellent way to explain air pressure and temperature changes. In fact, observers report a 100 percent fascination rate, as everyone is always surprised by the result!
5. The Homemade Lava Lamp
Create your own lava lamp with this colorful and fun experiment! It’s a wonderful way to explore density and chemical reactions while making a captivating visual display.
Materials Needed
A clear bottle or jar
1 cup of water
1 cup of vegetable oil
A few drops of food coloring
Alka-Seltzer tablets
Instructions
Fill the bottle about one-third full with water.
Add a few drops of food coloring.
Pour vegetable oil into the bottle until it is nearly full.
Break an Alka-Seltzer tablet into pieces and drop them in one at a time.
Watch as colorful blobs rise and fall like a mesmerizing lava lamp!
Why It’s Viral
The homemade lava lamp is visually stunning and combines science with art. The vibrant reactions and the movement of the blobs engage kids and adults alike. It beautifully illustrates density and chemical reactions, making it an excellent educational tool that encourages scientific inquiry.
Take the Challenge!
These five viral STEM experiments are not only entertaining but also educational, making them perfect for anyone interested in the wonders of science. From the explosive volcano to the mesmerizing lava lamp, each experiment presents a unique chance to learn and have fun.
So gather your materials and invite your friends or family to dive into the world of STEM! Whether you aim to inspire young minds or simply satisfy your own curiosity, these experiments are sure to leave a lasting impression. Happy experimenting!
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