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Published Apr 12, 2024 ⦁ 13 min read
Easy Experiments You Can Do at Home: A Guide for Tech-Savvy Parents

Easy Experiments You Can Do at Home: A Guide for Tech-Savvy Parents

Discover fun and easy experiments you can do at home with your kids to explore the wonders of science, technology, engineering, and math (STEM). From creating interactive sound waves with a DIY string telephone to building simple robots and coding animated stories, these activities are designed for tech-savvy parents looking to make learning exciting and interactive. Incorporate technology to visualize, interact, and collaborate on scientific explorations, making each experiment not just educational but a memorable adventure. Here's a quick guide to get started:

  • Interactive Sound Waves with a DIY String Telephone: Learn how sound travels using cups and string, enhanced with an app to visualize sound waves.
  • Electric Play Dough and Circuits: Discover electricity by creating circuits with homemade conductive play dough.
  • Coding a Story with ScratchJr: Dive into basic coding by crafting animated stories with the ScratchJr app.
  • Building a Simple Robot: Explore robotics by assembling a basic robot and programming it with an app.
  • The Magic of Chemistry: Witness chemical reactions with everyday kitchen items for a fizzy explosion of colors.

Each experiment is designed to be safe, using common household items and integrating apps for a modern twist on classic science explorations. Perfect for engaging curious minds, these experiments offer a hands-on approach to learning, fostering creativity, and inspiring a lifelong love of science.

Experiment 1: Interactive Sound Waves with a DIY String Telephone


This experiment is all about discovering how sound travels. You'll make a simple string telephone using cups and string to chat from a distance. Plus, with a special app, you can see the sound waves you make when you talk.

Materials Needed

You'll need a few things:

  • 2 paper or plastic cups
  • String (like kite string or fishing line) - about 20 meters
  • A sewing needle or push pin to make holes

Tech Integration

Use the string telephone by talking into one cup while someone listens through the other. With the SoundScope app, you can see the sound waves your voice makes.

Notice how the sound waves change with different sounds. Try guessing words just by looking at the sound waves.

This shows that sounds can turn into pictures of waves and that different sounds make different wave pictures.

Step-by-Step Instructions

Here's how to make and use your string telephone:

  • Get about 20 meters of string.
  • Make a small hole at the bottom of each cup.
  • Put the string through the holes and tie knots so it doesn't slip out.
  • Stand apart, holding the string tight, each with a cup.
  • Talk into the cup and listen through the other.
  • Use the app to see the sound waves as you talk.
  • Play with different sounds and watch the wave patterns.
  • Guess sounds or words by looking at the waves.

Using the SoundScope app with this old-school experiment makes it more fun and a great way to learn about sound waves with simple stuff around the house.

Experiment 2: Electric Play Dough and Circuits


This experiment is all about learning how electricity works by making circuits with play dough. Kids will get to know about things that let electricity pass through them (conductors) and things that don't (insulators). They'll have fun making shapes that light up using battery packs.

Materials Needed

You'll need these things:

  • Homemade conductive play dough (just mix salt, flour, water, and lemon juice)
  • Insulating play dough
  • A battery pack (for 4 AA batteries with wires)
  • LED lights
  • Aluminum foil


  • Add food coloring or glitter to the dough for fun
  • Use beads or googly eyes to decorate your creations

Tech Integration

  • Use a simple app on your phone to take step-by-step pictures. This makes a cool flipbook showing how you built your circuit.

  • Kids can explain what each part does in their own words, making it a fun learning video.

  • Film your glowing dough creations with cool effects like fast-forward or slow-motion.

  • Share your videos online to show off your work and learn from others.

Step-by-Step Instructions

Here's how to make your electric circuits:

  1. Mix 1 cup flour, 1/2 cup salt, 1 tbsp lemon juice, and add water until it's dough. This is your conductive dough.

  2. Make another batch without lemon juice for insulating dough.

  3. Shape the conductive dough into whatever shapes you like.

  4. Connect the LED lights and battery wires into your dough shapes.

  5. Use the insulating dough to keep everything in place or add some flair.

  6. Put the battery pack and LEDs in place with aluminum foil.

  7. Turn on the battery to see your creations light up! Change things around to make new designs.

  8. Take pictures with the stop-motion app as you go to make a cool video of your project.

Making circuits with play dough is a fun way to learn about electricity. Using apps to take pictures or make videos adds an extra layer of fun and lets kids share their cool projects with friends or online.

Experiment 3: Coding a Story with ScratchJr


In this experiment, kids will learn some basic coding by making a simple animated story with an app called ScratchJr. This app makes learning to code fun, showing kids how to put together code pieces to make things happen in their story.

Materials Needed

You only need a couple of things:

  • A tablet, phone, or computer with ScratchJr installed (it's free!)
  • Your imagination

Tech Integration

You and your kids can make a story that includes stuff from other experiments in this guide. For example:

  • Characters can talk using the string telephone
  • Bring play dough shapes to life
  • Show characters with sound waves when they talk

ScratchJr lets you:

  • Add sounds or music
  • Make characters and backgrounds move
  • Use cool effects
  • Make parts of the story you can touch and interact with

Coding Concepts to Learn

While making their stories, kids will learn:

  • Sequences - putting code pieces in order so they work right
  • Loops - making something happen over and over
  • Events - making things happen when you do something (like tapping the screen)
  • Coordinates - deciding where things go on the screen

Step-by-Step Instructions

Here's how to start coding a story:

  1. Open ScratchJr on your device
  2. Use the "Add Character" button to pick characters and where they are (the background)
  3. Drag pieces of code together to make characters move and talk
  4. Connect code so things happen when you tap or swipe
  5. Use loops for actions like walking to keep going
  6. Add your own sounds, text, and more to make it yours
  7. Save your story and show it to friends or family

By coding their own stories, kids can turn what they've learned into something they've made up. It's a fun way to understand science better and get some important skills in science, technology, engineering, and math (STEM).


Experiment 4: Building a Simple Robot


In this experiment, kids will make a basic robot using simple items and learn how to control it using a phone app. This is a great way to get introduced to the basics of robotics like circuits, motors, and how to program them.

Materials Needed

You'll need some easy-to-find stuff:

  • A small motor for hobbies
  • AA battery pack with a switch
  • Craft sticks, cardboard, glue, tape
  • Decorations like pom poms, stickers, etc. (optional)

Tech Integration

A free app called Tynker Junior helps kids program their robot to move. They can:

  • Make the robot go forward, turn, and more
  • Choose how fast and long it moves
  • Make it play sounds or light up
  • Set up a series of actions to happen on their own

It's really cool to see a robot you made move because of your programming. It shows how tech can make real things work.

Step-by-Step Instructions

Here's how to build and program your robot:

  1. Make a simple body from craft materials and put the motor on so the wheels touch the ground.

  2. Stick the motor to the battery pack.

  3. Get the Tynker Junior app on a phone or tablet.

  4. Use the app to connect to your robot with Bluetooth.

  5. Drag and drop coding blocks in the app to make your robot move in different ways.

  6. Set up the robot to do things on its own or when you press something.

  7. Make your robot look cool with decorations!

Creating your own robot that you can control is a fun way to learn about building, electronics, and coding. It's a hands-on way to explore science, technology, engineering, and math.

Experiment 5: The Magic of Chemistry


In this fun experiment, we'll see how everyday items like baking soda and vinegar react together. Kids will get to watch a cool fizzy explosion of colors, learning about chemical reactions with things you probably have in your kitchen.

Materials Needed

Here's what you'll need:

  • Baking soda
  • Vinegar
  • Dish soap
  • Food coloring (if you want to make it colorful)

Tech Integration

  • Record the reaction using your phone's time-lapse feature. It's awesome to see the colors and bubbles form super fast.

  • Have kids explain what they're seeing in the video. This is a great way for them to practice talking about science.

  • Share your reaction video online. It's fun to see what other cool reactions people come up with.

Step-by-Step Instructions

Here's how to make your own fizzy color show:

  1. Put some baking soda into a container.
  2. Mix a little dish soap into it.
  3. In a different container, mix vinegar with some food coloring.
  4. Set up your phone to record in time-lapse mode, pointing at the baking soda.
  5. Pour the colored vinegar into the baking soda and watch the fizzing start!
  6. Keep the video going for a bit after the reaction to catch everything.
  7. Replay the video to see the fast-moving colors and bubbles.
  8. Post your video online and talk about what happened during the reaction.

This experiment is a simple and fun way to dive into chemistry using things you already have at home!

Wrapping Up

Here are some important points from these fun science experiments you can do at home with your kids:

Safety Tips

When doing science experiments, keep these in mind:

  • Always have an adult around, especially with younger kids
  • Make sure to read and understand the instructions before you start
  • Use safety glasses if you need to
  • If you have long hair, tie it back
  • Clean up everything when you're done

Even though using technology can make science experiments more interesting, always remember to be safe. This way, everyone can focus on having fun and learning.

Using technology in DIY experiments makes them more exciting and shows how science is part of everyday life. Letting kids use cameras, write their own stories with code, or control their own robots teaches them useful skills and makes them curious.

Seeing science happen through a phone or an app makes it more appealing to kids. And sharing their experiments online makes learning with others more enjoyable.

The experiments we talked about are just the beginning - next time you make your play dough light up or mix things that fizz, take some pictures. Share your videos to inspire other parents. Let your kids show off the cool science projects they do at home by sharing them online.

The Kidtivity Lab app we mentioned can give you even more ideas for science activities that use technology. It offers new activities that match your child's interests and abilities, making learning at home fun and exciting!

So, use the technology you have to help your kids discover their love for science. A little bit of coding, some creativity, and a lot of curiosity can help them love science for their whole lives.

How do you make a simple experiment at home?

You can do lots of easy experiments at home using things you probably already have:

  • Baking soda and vinegar volcanoes - Mix baking soda and vinegar in a bottle to see it foam up. This shows how acids and bases react.
  • Balloon rockets - Inflate a balloon and attach it to a straw. Let it go and watch it zoom around. This teaches about action and reaction.
  • Sink or float - Try putting different things like coins, marbles, and sponges in water to see which ones sink or float. This is a fun way to learn about density.
  • Chromatography - Draw on coffee filters with markers, then watch the colors spread out when you add water. This is a cool way to see how colors mix.

These are simple ways to explore science with your kids. Just use what you have at home, ask questions, and have fun discovering together.

What is the Skittles experiment?

The Skittles experiment makes a rainbow on a plate:

  1. Put Skittles in a circle on a plate
  2. Pour warm water in the middle so it touches the Skittles
  3. Watch as the colors spread out in the water, making a rainbow

This happens because the water dissolves the color on the Skittles. It's a neat way to see how colors can move in water.

What is an easy science experiment?

Easy science experiments include:

  • Making slime or a non-Newtonian fluid with kitchen supplies
  • Creating a homemade lava lamp with oil, water, and food coloring
  • Building a mini catapult to launch marshmallows
  • Using static electricity to make pepper jump on a balloon
  • Growing crystals with borax and water

The best experiments are those that are simple to do, safe for kids, and have cool results.

What is the best experiment for kids?

Great experiments for kids include:

  • Baking soda and vinegar volcanoes - They're colorful and fun to watch.

  • Balloon-powered cars - Kids can make and race them.

  • Making slime - It's squishy and kids love it.

  • Chromatography butterflies - Turning markers into art.

  • Mentos soda geysers - Big, exciting reactions.

  • Static electricity tricks - Like making paper clips float.

The best ones are those that are visually exciting, let kids build or create, and teach them about the world in a fun way.

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