This is a tutorial explaining the process and steps of photosynthesis. This tutorial's topic covers the California State Standards Grade 3: Physical Sciences: Energy and Matter have multiple forms and can be changed from one form to another. 1a. Students know energy comes from the Sun to Earth in the form of light. 1b. Students know sources of stored energy take many forms, such as food, fuel and batteries. 1c. Students know machines and living things convert stored energy to motion and heat. 1d. Students know energy can be carried from one place to another by waves, such as water waves and sound waves, by electric current, and by moving objects. 1g. Students know that when two or more substances are combined, a new substance may be formed with properties that are different from those of the original materials. 1h. Students know all matter is made of small particles called atoms, too small to see with the naked eye.
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The process of photosynthesis is very important to the ecosystem. Photosynthesis is the process of plants making their own nutrients to survive.
The equation for photosynthesis is shown in the image below. The combination of carbon dioxide, water and the energy from light then works together to produce a carbohydrate called glucose and oxygen.
Photosynthesis is a process that plants go through to make food for themselves that in turn provides oxygen for the atmosphere that we need to live. There is a formula: of this process. There is also a 4-step or 2 stage description of this process. The two stage process is light-dependent reactions and the Calvin cycle. The four steps is absorption of light, electrons transport to make NAD P+to NADPH, the generation of ATP and the conversion of CO2 into carbohydrates. Plants need the glucose that comes from this process and humans need the oxygen that come from this process.