Science – Plant’s food and Photosynthesis – English



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The video explains how plants make their food through photosynthesis. It explains the photosynthesis process i.e. ingredients required, the process, what is produced in this process etc. It also tells about the modifications in plant part due to storing food.
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AP Biology Lab 4: Plant Pigments and Photosynthesis



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Paul Andersen explains how pigments can be separated using chromatography. He shows how you can calculate the Rf value for each pigment. He then explains how you can measure the rate of photosynthesis using leaf chads and water containing baking soda.

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Photosynthesis in plants Animation for Kids



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Photosynthesis is the process of plants by which they make energy! The sun (light energy), water, nutrients from soil and carbon dioxide are all absorbed by the plant. The plant then uses these to make glucose/sugar, which is the energy/food for the plant.In this reaction,oxygen is also produced by the plants.

Photosynthesis | Photosynthesis in plants | Photosynthesis – Biology basics for children | elearnin



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Photosynthesis | Photosynthesis in plants | Photosynthesis – Biology basics for children | Science | elearnin

Photosynthesis

Hello Kids ….

Do you know how plants make their own food? No??

This video elaborates the process of Photosynthesis, by which plants make their own food.

Photosynthesis is the process used by the plants to make their food. In simpler terms, conversion of light energy into chemical energy by plants is called photosynthesis. This chemical energy is used by the plants for growth and nourishment. Photo means light and synthesis means putting together.

Humans need some essential things like fire, water, vegetables etc to cook food.
Similarly, to make their own food, plants also need some essential factors like Light, water, nutrients, soil etc

Plants get light from the sun, water from the ground and carbon dioxide from air. All these factors including air, water, carbondioxide and sunlight together help plants churn out their own food.

Plants have tubes called Xylem located in the stem through which the water from the ground is sucked into the leaves. This system works similar to the humans sucking in liquids through a straw. The Xylem is spread throughout the different parts of plant including stem, branches, all the way upto their leaves, and transports vital nutrients to the entire plant. Xylems in plants are like blood vessels in the human body that act as an important means of transport for water and nutrients.

Leaves on the plants have pores, very similar to pores on the skin of our body. These pores are called stomata. These stomata are responsible for the exchange of gases. The carbon dioxide present in the air, which is responsible for photosynthesis, enters the plant through these stomata. Oxygen also comes out from the same stomata.

Leaf has important cells called Mesophyll cells. These cells contain a green color component called chloroplast. This chloroplast is responsible for the green color of plants and leaves.

Once the carbon dioxide and water reach the chloroplasts, in the presence of sunlight, the process of photosynthesis starts to take place. The following reaction takes places in the leaves of the plant during photosynthesis:

Carbon dioxide + water + [in the presence of light energy] → Oxygen + glucose (or Carbohydrates)

The products formed are glucose and oxygen. Carbohydrates, which are a form of glucose, are synthesized from carbon dioxide and water.
Glucose is used by the plants for the growth. Some of the glucose is used immediately and the extra glucose which is not used is stored in the form of starch, in the leaves. Some amount of glucose is also stored in the roots of the plants. The extra glucose is used to perform photosynthesis when there is no sunlight.

Oxygen is given out into the air through the stomata in the process of photosynthesis. The oxygen that is released is used by human beings to breathe in during their respiration process.

Ever wondered why this process is called photosynthesis? The word photosynthesis is a combination of two words: Photo and Synthesis. Photo means light in Greek and Synthesis means putting together or combining. Hence, photosynthesis literally means combining water and carbon dioxide in the presence of light.

So, the essential factors for photosynthesis to take place include:

• Sunlight

• Water

• Carbon dioxide

Underwater photosynthesis takes place at a slower pace than the normal photosynthesis. This is because energy from the sun is absorbed by the water layers and only some amount of the energy reaches the plant.

There are some plants which don’t need the process of photosynthesis to grow. Such plants include Mushroom, Venus flytrap etc. Mushroom gets the food from the ground and its surrounding areas. Venus flytrap traps and catches small insects which come near the leaves and eat them.

Photosynthesis for Kids – How plants make food – Animation Science



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Photosynthesis for Kids – How plants make food
This introductory, animated video explains the process of photosynthesis by which plants take in sunlight, carbon dioxide and water to produce their food and Oxygen.Suitable for learners/kids new to the concept.

References:

Pay attention for a moment, to that plant, in your balcony.
Unlike your cat, it does not walk around, requesting or rather DEMANDING, food.
Your plant is happy with the water you give it.
But, is that all a plant needs to survive: Water ?
Does a plant need FOOD?
The answer is yes.
So where does a plant get its food from?
Well , plants make their own food.
And this video will tell you how. My name is Ayush Sinha.
Plants need 3 things to make food.
The first, you guessed it , is WATER.
When you water a plant, its roots absorb water from the soil.
The water is then passed on to the stem which in turn passes it on to the leaves of the plant.
The second things plants need to make their food is Carbon Dioxide.
Your have probably heard of Carbon Dioxide. It is a chemical that is in the Air.
So how do plants absorb carbon dioxide?
Well plants have small openings on their leaves.
These are called stomata. Carbon dioxide is absorbed thorough these small openings.
Once plants have both water and carbon dioxide they need one more key ingredient. That is light.
Now the leaves of a plant contain tiny things called Chloroplasts.
Chloroplasts is what give leaves their Green colour.
However, Chloroplasts also take carbon dioxide, water and light and turn them into Sugar and Oxygen.
This sugar is the plants food.

The oxygen, on the other hand is released back into the atmosphere.
If you have understood things so far then the definition of photosynthesis should be easy.
Here it is:
Photosynthesis is the process though which plants use water, light and carbon dioxide to create their food and release oxygen into the air.
Now here is a question for you?
Plants take in carbon dioxide and release oxygen. Do Humans and animals do the same?

How C3, C4 and CAM Plants Do Photosynthesis



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A comparison of C3, C4 and CAM plants. Plants have different systems for harvesting energy depending on their environment. A sugar maple tree in New England faces very different challenges in temperature and humidity than does a cactus in the Mojave Desert! Note the strategies used by desert plants in order to effectively preserve their water in an arid environment!

Thanks to the viewer who pointed out that PEP is “Phosphoenolpyruvate.” Apologies for the mis-speak!

Avoid plagiarism! Cite BOGObiology!

[BOGObiology]. (2016, February 5). Photosynthesis 5 Light Independent Reactions. [Video File]. Retrieved from