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Photosynthesis Quiz - Science Geek

When a plant combines water, carbon dioxide and sun-energy to make the glucose there is always something left over. It is called oxygen—the very same oxygen we need to breathe. Because the plants don’t need it, they get rid of it. When a plant gets rid of the oxygen they don’t need, it is called respiration. A plant gets rid of oxygen through its leaves, stems and flowers, fruits or vegetables. And when they do, we have the oxygen we need. Thanks, plants~Photosynthesis facts

How Photosynthesis Works - Science for Kids

The definition of photosynthesis is the process through which plants use water and carbon dioxide to create their food, grow and release excess oxygen into the air.

Plants also need water for photosynthesis

An example of photosynthesis is how plants convert sugar and energy from water, air and sunlight into energy to grow.

You have already learned that the sun’s energy enters the leaves through the chlorophyll in the leaves. A plant’s leaves also have hundreds of thousands of tiny holes in them called stoma. The stoma are so small you have to have a microscope to see them, but they are big enough to breathe in the carbon dioxide a plant needs to make its food.

Plants take in carbon dioxide through their leaves at the same time they are soaking up energy from the sun and taking a drink of water.

Wow! I bet you never realized how busy or important a plant’s leaves are, did you?

Once the leaves of a plant have collected enough carbon dioxide, water and sun-energy, they are ready to make food for the entire plant.

When the carbon dioxide, water and energy from the sun are combined, the sun turns the water and carbon dioxide into glucose (sugar). The plant uses the glucose as food and takes hydrogen molecules from the water to keep itself from getting dry and wilted.

Glucose gives the plant energy. They use this energy to make more leaves, flowers, fruit or vegetables and seeds that can grow into new plants. The glucose also gives the plant the energy it needs to grow taller and fuller and make the cell walls of the plant.

We know why it is important for flowers to make new leaves, flowers, fruits, vegetables and seeds, but why are the plants cell walls so important?

Diagram of photosynthesis process, Term paper Academic Service

photosynthesis is carried out by most plants growing in areas with sufficient water

photosynthesis A. sunlight is absorbed by chlorophyll in a leafB. carbon dioxide is taken in from the airC. water is transported from the rootsD. glucose is synthesized and distributed throughout the plantE. oxygen is released

1. Photosynthesis is the most important chemical process in the world. Without it, plants and people could not exist.
2. A plant’s leaves are vital for its survival. Most of the photosynthesis process takes place in the leaves of a plant.

Diagram of the process of photosynthesis, Research paper Academic Service
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This tutorial introduces photosynthesis

photosynthesis A. sunlight is absorbed by chlorophyll in a leafB. carbon dioxide is taken in from the airC. water is transported from the rootsD. glucose is synthesized and distributed throughout the plantE. oxygen is released

Plants make their own food thru the process of photosynthesis

Plants absorb water through their roots, and carbon dioxide through their leaves. Some glucose is used for respiration, while some is converted into insoluble for storage. The stored starch can later be turned back into glucose and used in respiration. Oxygen is released as a by-product of photosynthesis.

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