Top 4 Science project ideas for Grade 1

Science is an incredible journey of discovery, and there’s no better time to start exploring its wonders than in Grade 1. Engaging young minds in hands-on projects sparks curiosity and lays the foundation for a lifelong love of learning. Let’s embark on a thrilling scientific adventure with these top 5 science projects tailor-made for Grade 1 students.

1. Rainbow in a Jar: Objective: Understanding the concept of density and layering.

science experiment for grade 1


  • Clear jar or glass
  • Water
  • Various liquids (honey, oil, syrup, colored water)
  • Food coloring


  1. Fill the jar with water.
  2. Add a layer of honey, followed by oil and syrup.
  3. Mix different colors of water using food coloring.
  4. Gently pour the colored water into the jar.

Explanation: Witness the magic as different liquids form distinct layers, creating a mesmerizing rainbow in a jar. This project introduces young scientists to density and helps them understand that liquids can have different weights.

2. Growing Seeds in a Bag: Objective: Observe the germination process.



  • Ziplock bags
  • Paper towels
  • Lima bean seeds
  • Water


  1. Wet a paper towel and place it inside a ziplock bag.
  2. Add a lima bean seed to the bag.
  3. Seal the bag and tape it to a window.

Explanation: Watch the seeds sprout and grow roots. This project provides a hands-on opportunity for Grade 1 students to witness the germination process and learn about the essentials for plant growth.

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3. Color-Changing Milk: Objective: Exploring chemical reactions.

colour changing milk


  • Milk
  • Dish soap
  • Food coloring
  • Cotton swabs


  1. Pour milk into a shallow dish.
  2. Add drops of different food coloring.
  3. Dip a cotton swab in dish soap and touch the milk.

Explanation: Witness the colors in the milk dance and mix as the soap interacts with the fat molecules. This experiment introduces Grade 1 students to the concept of chemical reactions in a visually captivating way.

4. Ice Cream in a Bag: Objective: Learning about physical changes.

ice-cream in a bag science experiment


  • Heavy cream
  • Sugar
  • Vanilla extract
  • Ice
  • Salt
  • Ziplock bags


  1. Mix heavy cream, sugar, and vanilla extract in a bag.
  2. Seal the bag tightly.
  3. Place the bag inside a larger bag filled with ice and salt.
  4. Shake the bags vigorously for about 10-15 minutes.

Explanation: Experience the magic of turning liquid into ice cream through the process of physical change. This delicious project helps Grade 1 students understand the concept of changing states of matter.

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