Introduction to Photosynthesis

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Introduction to Photosynthesis

• Who was important in helping us know what we know
  today about Photosynthesis?
• Where does the mass of plants come from when they
  grow?
• What is the chemical equation for Photosynthesis?

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Demonstration

• We havent always known about oxygen and
  photosynthesis.
• People from the past have made discoveries that
  have built a basis for what we know now.
• Jar/Candle/Plant Demo

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1643 Jan Baptista Van Helmont
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1774 Joseph Priestly oxygen/candle
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1778 Jan Ingenhousz
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1796 Jean Senebier
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1804 Nicolas Saussure
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Chemical Equation for Photosynthesis
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Six molecules of ____________ _______________
plus six molecules of _____________,
using__________ energy trapped by chlorophyll,
produce one molecule of __________________ plus
six molecules of ______________.
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