Here's a breakdown:

* Chemosynthesis is a process where organisms use chemical energy to produce their own food. This is in contrast to photosynthesis, where organisms use light energy.

* Inorganic molecules are molecules that do not contain carbon. These can include hydrogen sulfide, methane, ammonia, or ferrous iron.

* Oxidation is a chemical reaction where electrons are lost, releasing energy.

Here's a simple analogy:

Think of a car. A car runs on gasoline, which is a fuel. Chemosynthetic organisms are like cars, but instead of gasoline, they use inorganic molecules as their "fuel". They oxidize these molecules, which releases energy, and then use that energy to produce food.

Here are some key points to remember about chemosynthesis:

* It is found in environments without sunlight, such as deep-sea vents and hydrothermal vents.

* It is essential for the survival of many organisms in these environments.

* It is an important process for the cycling of nutrients in the Earth's ecosystems.