The process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to produce carbohydrates
What do plants NEED?
 Water
 Carbon Dioxide
 Light
 Nutrients
What do plants MAKE?
 Food
 Carbs in the form of glucose  C6H12O6
 Waste Products
 Oxygen
 Water
Basic Equation
H2O + CO2  C6H12O6 + O2
Balanced Equation
6H2O + 6CO2  C6H12O6 + 6O2
Important Scientists
 Jean Baptista van Helmont
 Used the scientific method to gain knowledge about plants
 Joseph Priestly
 Demonstrated the plants produce oxygen