Once upon a time, there was a curious kid named Alex. Alex loved learning about how things worked. One day, Alex became fascinated with refrigerators and wanted to know how they kept our food cold.

Alex heard about a famous old scientist named Oliver Evans. He was known for his brilliant mind and amazing ideas. Alex decided to visit him to learn more about refrigerators.

When Alex met Oliver, the scientist explained how refrigerators work. He drew a picture to show Alex the basic idea. Oliver told Alex that refrigerators use a special gas called a refrigerant to cool things down.

Oliver continued to explain that inside a refrigerator, the refrigerant absorbs heat from the food. Then, it goes through a system of pipes that release the heat outside of the refrigerator. This process keeps the inside cold and the outside warm.

Alex listened carefully and asked Oliver more questions. Oliver was impressed by Alex's curiosity. He showed Alex different types of refrigerators and explained how they are used in homes, grocery stores, and even big factories.

After spending the day with Oliver, Alex thanked the old scientist for sharing his knowledge. Alex left with a head full of new information and a deeper understanding of how refrigerators work.

From that day forward, Alex couldn't stop talking about refrigerators. Alex even started dreaming of becoming a scientist like Oliver Evans, inventing amazing things and making the world a better place.

And so, Alex's curiosity continued to grow as they embarked on more exciting adventures to discover the wonders of the world.