Fun Science Experiment for Kids: Perfect Hard-Boiled Eggs

Fun Hands on Activities with Kids

Teach your child cooking skills through interactive kitchen experiments!


A child peeling hard-boiled eggs during a hands-on STEAM activity to learn about cooking times for delicious boiled eggs.

Main Idea

How do you like your eggs? How long should we boil them to get your perfect boiled egg? Let's try this experiment and find out how many minutes we need to make the favorite boiled eggs!


Activity Prep

(What we used)

  • 6 eggs

  • Paper towels

  • Soup pan

  • Water

  • Tongs or ladle (I prefer tongs)  

  • Stopwatch (use your phone) 

  • Paper to note down the time in minutes

Printable PDF File for the Experiment: We provide a printable PDF file below for taking notes

Printable PDF File for the Experiment

You can download and print a PDF file below to take notes.


How We Did

Important: Please do not attempt this experiment without adult supervision.

1.Take any piece of paper and note down the cooking times for eggs. We tested cooking times of 4, 6, 8, 10, 12, and 15 minutes. (We wrote down the cooking times on the paper towels)

Boiling six eggs in a saucepan for a hands-on STEAM activity at home to find out how long it takes to cook a delicious boiled egg.

2. Place all the eggs in a saucepan and cover them with water.

3. Put the saucepan over high heat and bring the water to a boil.

4. Once the water reaches a boil, start timing with a stopwatch (phone).

Six boiled eggs are placed on paper towels for a hands-on STEAM activity at home to determine how long it takes to cook a delicious boiled egg.

5. Carefully remove the egg once its cooking time is finished and place it under the cooking time note.

A child peeling hard-boiled eggs during a hands-on STEAM activity to learn about cooking times for delicious boiled eggs.

6. After all the eggs are cooked, peel off the shell. (**Wait to peel the eggs until they are completely cool.)

Boiled egg tasting test set up for a hands-on STEAM activity at home to determine how long it takes to cook a delicious boiled egg.

7. We prepared all the eggs for the taste test.

8. Cut them in half and observe the textures of the yolks!

A child is doing a tasting test of six different boiled eggs cooked for various times as part of a hands-on STEAM activity at home.

We tasted different boiled eggs to find our favorite. My son liked hard-boiled eggs cooked for 12 to 15 minutes. I preferred the 6-minute boiled egg because it was creamy. My husband enjoyed the 4-minute boiled egg, which had a slightly runny yolk. The best part of this experiment is that now we all know our favorite types of yolks and how long to boil them!


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