Plants take in light energy from the sun and store it as chemical energy in the form of sugars, specifically glucose.

This process is called photosynthesis. Here's a simplified explanation:

1. Light Energy: Plants absorb sunlight using chlorophyll, a green pigment in their leaves.

2. Water and Carbon Dioxide: Plants also take in water through their roots and carbon dioxide from the air.

3. Chemical Conversion: Using light energy, plants convert water and carbon dioxide into glucose (a type of sugar) and oxygen.

4. Storage and Use: The glucose is stored as chemical energy, which the plant uses for growth, reproduction, and other life processes. Oxygen is released as a byproduct.

So, in essence, plants capture sunlight energy and transform it into a form they can use and store as chemical energy in the form of sugars.