The part of the plant cell that uses energy from the sun to make food is the chloroplast.

Here's how it works:

* Chloroplasts contain a green pigment called chlorophyll.

* Chlorophyll absorbs sunlight, specifically the red and blue wavelengths.

* This absorbed light energy is used to power a process called photosynthesis.

* Photosynthesis takes in carbon dioxide (CO2) and water (H2O) and converts them into glucose (sugar) and oxygen (O2).

* The glucose is the plant's food source, providing energy for growth and other life processes.

So, the chloroplast is like a tiny solar panel within the plant cell, harnessing the power of the sun to create the plant's food.