20 creative science projects you can do for under 50 rupees

Here’s a list of 20 creative science projects you can do for under 50 rupees.

Each project is simple, engaging, and uses readily available materials.

1. Baking Soda and Vinegar Volcano

  • Materials: Baking soda, vinegar, a small container.
  • Concept: Demonstrates an acid-base reaction.
volcano-eruption-working-model-making
volcano-eruption-working-model-making

2. Invisible Ink

  • Materials: Lemon juice, cotton swab, and white paper.
  • Concept: Use heat to reveal hidden messages.

3. Homemade Compass

  • Materials: Needle, magnet, cork, and a bowl of water.
  • Concept: Demonstrates Earth’s magnetic field.

4. Balloon Rocket

  • Materials: Balloon, string, straw, tape.
  • Concept: Demonstrates Newton’s third law of motion.

5. Water Filtration System

  • Materials: Plastic bottle, sand, gravel, activated charcoal, and coffee filter.
  • Concept: Shows how filtration works.

6. Egg in a Bottle

  • Materials: Hard-boiled egg, glass bottle, and matches (or paper).
  • Concept: Demonstrates air pressure.

7. Paper Helicopter

  • Materials: Paper, scissors, and a paper clip.
  • Concept: Shows how air resistance affects falling objects.

8. Static Electricity with Balloons

  • Materials: Balloons, hair, or wool fabric.
  • Concept: Demonstrates static electricity and charges.

9. Solar Oven

  • Materials: Cardboard box, aluminum foil, plastic wrap, and black paper.
  • Concept: Uses sunlight to cook food, demonstrating solar energy.
solar-cooker-working-model-science-project-diy
solar-cooker-working-model-science-project-diy

10. Homemade Lava Lamp

  • Materials: Clear bottle, water, vegetable oil, food coloring, and Alka-Seltzer tablet.
  • Concept: Shows density and chemical reactions.

11. Simple Circuit with a Bulb

  • Materials: Battery, wires, and a small bulb.
  • Concept: Demonstrates basic electrical circuits.
How-to-Connect-LED-Lights-with-9V-hw-Battery-Switch-in-Series-Simple-Electric-Circuit-_-DIY-pandit
How-to-Connect-LED-Lights-with-9V-hw-Battery-Switch-in-Series-Simple-Electric-Circuit-_-DIY-pandit

12. Grow Crystals

  • Materials: Sugar or salt, water, and a glass jar.
  • Concept: Demonstrates crystallization.

13. Plant Growth Experiment

  • Materials: Seeds (like beans), soil, and containers.
  • Concept: Study how plants grow under different conditions (light, water).

14. Color Changing Milk

  • Materials: Milk, food coloring, and dish soap.
  • Concept: Shows the effects of soap on fat and color mixing.

15. Coke and Mentos Reaction

  • Materials: Coke bottle and Mentos candies.
  • Concept: Demonstrates rapid gas release and reaction.

16. Water Walking

  • Materials: Paper towels and colored water.
  • Concept: Demonstrates capillary action.

17. Homemade Barometer

  • Materials: Jar, balloon, straw, and tape.
  • Concept: Measures atmospheric pressure changes.

18. Milk and Vinegar Cheese

  • Materials: Milk and vinegar.
  • Concept: Demonstrates curdling and cheese-making.

19. Simple Windmill

  • Materials: Paper, straw, and a pin.
  • Concept: Shows how wind energy can be converted into mechanical energy.

20. Floating Egg

  • Materials: Egg, water, and salt.
  • Concept: Demonstrates density and buoyancy.
salt-water-density-experiment

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