PHOTOSYNTHESIS
MR B. LAING
HUMAN &
SOCIAL BIOLOGY
WHAT IS
PHOTOSYNTHESIS?
WHAT IS NEEDED?
DEFINITION
Photosynthesis is the process by which plants
make their own food by using water from the
roots, energy from the sun and Carbon
Dioxide from the animals/air to create
glucose and oxygen. These products are
needed by animals.
Chlorophyll trap
sunlight
Stomata/Pores
CO2 – Goes In
O2 – Goes Out
Glucose created
for food..
Roots absorb H2O
DRAW THIS PLANT AND
USE ARROWS TO SHOW
WHERE THE REACTANTS
ARE GOING INTO THE
PLANT AND WHERE THE
PRODUCTS ARE LEAVING
THE PLANT.
PLEASE DRAW
IN YOUR
BOOK.
CHLOROPHYLL
REACTANTS
PRODUCTS
PLEASE WRITE
IN YOUR
BOOK.
PLEASE WRITE
IN YOUR
BOOK.
WHAT ARE THE PRODUCTS OF
PHOTOSYNTHESIS USED FOR?
OXYGEN?
PLEASE
COMPLETE IN
YOUR BOOK.
GLUCOSE?