photosynthesis - kids discover...photosynthesis. these two substances are made of many smaller parts...

When you get hungry, you might decide to raid the cookie jar or ask your mom to make you a sandwich. You do this because humans and animals get energy from the foods they eat. Plants use light energy from the sun to produce the food they need to survive. This process is called photosynthesis. Photosynthesis INGREDIENTS SUNLIGHT Light shining down from the sun is absorbed by the plant’s cells. These tiny cells are what make up the plant and its leaves. WATER Water and carbon dioxide are two of the main ingredients needed for photosynthesis. These two substances are made of many smaller parts called molecules. Photosynthesis causes the water molecules to split, separating the hydrogen and oxygen atoms. The oxygen is released into the atmosphere. Then, the hydrogen atoms combine with carbon dioxide to make a sugar the plant can use as its food. Water molecules Carbon dioxide molecules Hydrogen atoms Hydrogen atoms Oxygen atom Oxygen atoms Carbon atom OXYGEN! + = FOOD! END RESULT The sugar created by photosynthesis is sent to the rest of the plant for food. Carbon Dioxide Oxygen Water Sunlight Light energy Rays from the sun Carbon dioxide From the air Water Gathered by plant’s roots in the soil Chlorophyll Present in cells of green plants Central vacuole Large fluid- filled space Chloroplasts Contain the chemical chlorophyll 1 4 3 2 Typical plant cell CHLOROPHYLL Inside some of these cells is a special ingredient called chlorophyll. This is the compound that traps the sun’s light to start the process of photosynthesis. Cell wall Cell nucleus Sources: BBC, Science aid, University of Arizona

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Page 1: Photosynthesis - Kids Discover...photosynthesis. These two substances are made of many smaller parts called molecules. Photosynthesis causes the water molecules to split, separating

When you get hungry, you might decide to raid the cookie jaror ask your mom to make you a sandwich. You do this because humans and animals get energy from the foods they eat.

Plants use light energyfrom the sun to

produce the food they need to survive.

This processis called

photosynthesis.

PhotosynthesisINGREDIENTS

SUNLIGHTLight shining down from the sun is absorbed by the plant’s cells. These tiny cells are what make up the plant and its leaves.

WATERWater and carbon dioxide are two of the main ingredients needed forphotosynthesis. These two substances are made of many smaller parts called molecules.

Photosynthesis causes the water molecules to split, separating the hydrogen and oxygen atoms. The oxygen is released into the atmosphere.

Then, the hydrogen atoms combine withcarbon dioxide to make a sugar the plant can use as its food.

Water molecules

Carbon dioxidemolecules

Hydrogenatoms

Oxygenatom

Oxygenatoms

Carbonatom

OXYGEN!

FOOD!

END RESULTThe sugar created by photosynthesis is sent to the rest of the plant for food.

CarbonDioxide

Oxygen

Water

Sunlight

Light energyRays from the sun

Carbon dioxideFrom the air

WaterGathered by plant’sroots in the soil

ChlorophyllPresent in cellsof green plants

CentralvacuoleLarge fluid-filled space

ChloroplastsContain thechemicalchlorophyll

1 4

Typicalplant cell

CHLOROPHYLLInside some of these cells is a special ingredient called chlorophyll. This is the compound that traps the sun’s light to start the process of photosynthesis.

Cellwall

Cellnucleus

Sources: BBC, Science aid, University of Arizona

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