5 Ideas for 4th Class Science Project 

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5 Ideas for 4th Class Science Project

For students studying in class 4, a science project is a way to promote curiosity, creativity, and critical thinking. In this blog, we are bringing you 5 ideas for 4th class science project that will not only promote creativity and learning but are also fun. These are simple science projects that don’t require any tedious setup and, hence, are perfect for class 4th students. For those ideas, keep reading this blog! 

1. Lava Lamp

This project teaches kids about the different densities. This project is a great hit for class 4 students and is very simple to make. 

Materials Required 

  • A clean plastic bottle or glass jar 
  • Vegetable Oil 
  • Baking Soda 
  • Food Coloring 

Steps to Make Lava Lamp: 

  • Fill the bottle to 1/4th level with water. 
  • Then fill the bottle to the top with oil. 
  • Let the oil and water separate. 
  • Then add a few drops of food colouring and shake the bottle. 
  • Your lava lamp is ready. 
lava Lamp

Also Read: Class 6 Holiday Homework: Creative and Exciting Ideas 

2. Exploring Surface Tension Using Black Pepper

This experiment teaches kids about the concept of surface tension, and it is very simple to perform. All the materials are easily available at home. 

Materials Required 

  • Back Pepper
  • A plate or bowl
  • Water
  • Liquid soap

Steps to Perform Experiment 

  • Fill the plate with water, just a layer of it. 
  • Sprinkle the pepper on the water, making a layer of it. 
  • Then, put liquid soap on your finger. 
  • Touch the water surface with it and observe. 

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3. Elephant Toothpaste

This project is a blast. It will teach the kids about catalysts and exothermic reactions, using basic materials. Let us see now. 

Materials Required 

  • Plastic soda bottle 
  • 1/2 cup 20-volume of 6% solution hydrogen peroxide liquid 
  • 1 Tablespoon dry yeast 
  • 3 Tablespoons of warm water 
  • Liquid dish soap 
  • Food colouring 
  • Small cup 
  • Safety goggles 

Steps to Make Elephant Toothpaste 

  • First, put on your safety goggles or protective eyewear. Hydrogen peroxide can irritate the skin and eyes. As a safety precaution, an adult should always be the one to pour the hydrogen peroxide into the bottle carefully. 
  • The next step is to add 8 drops of your favorite food colouring into the bottle. 
  • Then, add 1 tablespoon of liquid dish soap and swish the bottle around to mix the ingredients. 
  • In a separate cup, mix the warm water and yeast for 30 seconds. 
  • Pour the yeast water mixture into the bottle and watch the foam form. 
4th Class Science Project

Also Read: 11 Ideas for Creative Holiday Homework for Class 4 Students 

4. Slime

This is one of the favourite projects of 4th class kids because kids love slime! This is a very fun and interesting science project that can be made easily. Let us see how. 

Materials Required

  • Water 
  • White school glue 
  • Food coloring 
  • Borax 
  • Two bowls 

Steps to Make Slime 

  • First, mix 1/4 cup of water and 1/4 cup of white school glue in a bowl. 
  • Next, if you want your slime to be colourful, add a few drops of food coloring to the mixture. 
  • Then, mix 1/2 tablespoon of borax with 1/2 cup of water and stir it around until the borax dissolves. 
  • Finally, add the borax solution to the glue mixture and mix them. 

Also Read: Benefits of Clay Art for Children  

5. Light Refraction Magic

This project seems like a magic trick because of the concept of refraction and will teach the kids about the same. 

Materials Required 

  • Piece of Paper 
  • Marker 
  • Glass 
  • Water 

Steps to Perform 

  • Take a sheet of paper and draw two big arrows on it, one at the top, and one at the bottom. Make the arrows point in the same direction. 
  • Then, fill a glass with water. Slowly lower the piece of paper behind the glass of water. 
  • Look through the glass of water, and observe. 


Q.1. What is the best science project for 4th grade?

Ans: One of the best science projects for 4th grade is a lava lamp.

Q.2. What is the best topic for a science project?

Ans: Vermicomposting, rusting of iron, biogas plants, working of the human heart, etc. are some of the best topics for a science project.

Q.3. What are the three main topics in science?

Ans: The three main topics in science are: 

1. Physics
2. Chemistry
3. Biology

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