How Plants Make Food From Light
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How Plants Make Food From Light
Year 8 Science Understanding Photosynthesis The Amazing Process That Feeds Our World
What Do You Think?
How do plants get their energy? What do plants need to survive? Why are plants green?
What is Photosynthesis?
Photo = Light Synthesis = To make or build Plants make their own food using sunlight This process happens in green leaves It's like a food factory inside every leaf!
The Photosynthesis Equation
What Goes In vs What Comes Out
{"left":"Carbon dioxide (from air)\nWater (from roots)\nSunlight energy (from sun)","right":"Glucose (plant food/sugar)\nOxygen (released to air)\nWe breathe the oxygen plants make!"}
The Star of the Show: Chlorophyll
Green substance found in plant cells Captures light energy from the sun Why leaves look green to our eyes Works like tiny solar panels Found in structures called chloroplasts
Photosynthesis in Action
Observe the aquatic plant in the beaker Count the oxygen bubbles produced What happens when we move it closer to the light? What happens when we cover it with dark paper? Record your observations
Why is Photosynthesis Important?
Produces oxygen for all living things Creates food for plants and animals Removes carbon dioxide from the air Forms the base of all food chains Without photosynthesis, life on Earth couldn't exist!