1. EQ: How do I describe the function of leaves?
Page Number
Topic
Date 18
Leaves
April 17 19
EQ: How do I describe the function of leaves?

2. EQ: How do I describe the function of leaves?
Most numerous part to a plant
Role – capture the sun’s energy and carry out the food making process of photosynthesis

3. EQ: How do I describe the function of leaves?
Leaf Structure
Bottom and top layers which protect cells
Leaf veins that contain the xylem and phloem
Stomata –
underside of leaf has small pores or openings
Opens and closes to control the amount of gas that enters and leaves the leaf
EQ: How do I describe the function of leaves?

4. Leaf and Photosynthesis
Top layer of leaf contains chloroplasts
Chlorophyll in the chloroplasts trap sun’s energy
EQ: How do I describe the function of leaves?

5. Leaf and Photosynthesis
Carbon Dioxide enters the leaf through the stomata
Water, which is absorbed by the plants roots, travels up to plant through xylem
Sugar and oxygen are produced from the CO2 and O2.
EQ: How do I describe the function of leaves?

6. Leaf and Photosynthesis
Oxygen exits leaf through stomata
Sugar enters the phloem and then travels throughout the plant
EQ: How do I describe the function of leaves?

7. Controlling Water Loss
Transpiration – process by which water evaporates from a plant’s leaves
Plants slow down transpiration by closing the stomata
EQ: How do I describe the function of leaves?