That's simple new products are made like light is converted into chemical energy

The process of photosynthesis is a chemical change.

Reason:
Photosynthesis is the process by which green plants and some other organisms convert light energy from the sun into chemical energy in the form of glucose. This complex process involves a series of chemical reactions that occur within the chloroplasts of plant cells.

Explanation:
Photosynthesis can be divided into two main stages: the light-dependent reactions and the light-independent reactions (also known as the Calvin cycle). Both stages involve a series of chemical reactions that are essential for the production of glucose, the main energy source for plants.

Light-dependent reactions:
- The first stage of photosynthesis is the light-dependent reactions, which occur in the thylakoid membrane of the chloroplasts.
- During this stage, light energy is absorbed by the pigment chlorophyll, which is located in the chloroplasts.
- The absorbed light energy is then used to split water molecules into hydrogen ions (H+), electrons (e-), and oxygen (O2) through a process called photolysis.
- The released oxygen is released into the atmosphere, while the hydrogen ions and electrons are used to generate ATP (adenosine triphosphate) and NADPH (nicotinamide adenine dinucleotide phosphate), which are energy-rich molecules.

Light-independent reactions (Calvin cycle):
- The second stage of photosynthesis is the light-independent reactions, which occur in the stroma of the chloroplasts.
- These reactions use the ATP and NADPH generated in the light-dependent reactions to convert carbon dioxide (CO2) into glucose.
- The key enzyme involved in this stage is called RuBisCO (ribulose-1,5-bisphosphate carboxylase/oxygenase), which catalyzes the fixation of carbon dioxide onto a five-carbon sugar called ribulose-1,5-bisphosphate (RuBP).
- This process is known as carbon fixation and leads to the formation of glucose and other organic compounds.

Chemical change:
Photosynthesis is considered a chemical change because it involves the rearrangement of atoms and the formation of new chemical compounds. The conversion of light energy into chemical energy requires the synthesis of glucose, which is a complex organic molecule composed of carbon, hydrogen, and oxygen atoms. This synthesis involves a series of chemical reactions that occur through enzymatic processes.

In conclusion, the process of photosynthesis is a chemical change due to the complex series of chemical reactions involved in converting light energy into chemical energy in the form of glucose.