Photosynthesis for Kids: All living things need food and water to live and grow. We eat and drink with the help of our mouth. But plants do not eat food the way humans and animals do. Instead of that, they make their own food through the process of photosynthesis. That is why plants are known as the world’s food factories.
Explore more: Parts of a Plant
What Is Photosynthesis for Kids?
Photosynthesis can be defined as the process through which plants prepare their own food with the help of chlorophyll (present in the leaves), water (from the soil), sunlight and carbon dioxide (from the atmosphere). Photosynthesis can be broken down into “photo” and “synthesis” where photo stands for light and synthesis means putting together.
Photosynthesis Diagram for Kids:
What is Needed for Photosynthesis?
To make food, plants need three important things.
- Carbon Dioxide
Carbon dioxide is a gas present in the atmosphere. When humans and animals exhale, they release carbon dioxide. It enters through small pores (holes) in the leaves. These tiny pores are called stomata.
Roots absorb water from the soil and the water passes through the stem to the leaves of the plant.
The green substance present in the leaves called chlorophyll traps sunlight to make food.
What Happens During Photosynthesis?
Photosynthesis starts in the leaves of plants. Chlorophyll absorbs energy from the sunlight. This energy is used to split water molecules into hydrogen and oxygen. Oxygen is released from the leaves through stomata into the atmosphere. However, hydrogen and carbon dioxide are used to make food (glucose) for plants.
The plants use some of the food (glucose) to get energy for the growth and development of themselves and store the extra food in their roots, stems, and leaves which are later used by animals and human beings.
Explore more: Different Types of Plants
During the process of photosynthesis, oxygen is released into the air. That helps to purify the air. Photosynthesis also balances oxygen and carbon dioxide levels in the atmosphere. Human beings and other animals breathe in oxygen and breathe out carbon dioxide. On the other hand, plants absorb carbon dioxide from the air and release oxygen.
Video Reference for Photosynthesis in Plants:
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