Introduction to ROOTS & LEAVES 5th Grade
How do roots help a plant survive? 1) They hold them in the ground anchor them Help keep plants from getting moved by wind and running water
How do roots help a plant survive? 2) They draw up water and minerals from the soil
How do roots help a plant survive? 3) store food for the plant Ex. sweet potatoes, sugar beets, carrots
How are roots so strong? The tip of a root is protected by a layer of tough cells called a root cap Root cap: a thin covering made up of cells protecting the tip of the root as it grows into the soil
Taproots versus Fibrous Roots
What are the roots called that have an original roots and then more roots that branch out from the original root? Taproots
Fibrous roots: made up of only thin, hairy branching roots
What are aerial roots? Roots that never touch the ground Take in moisture from the air
How do we classify leaves? Simple leaves vs. Compound leaves
Simple Leaves vs. Compound Leaves
Simple Leaves
Compound Leaves
Simple vs. Compound Leaves
How to tell a simple leaf from a compound leaf: https://www.youtube.com/watch?v=H0vWXD1K6QM https://www.youtube.com/watch?v=GHzlUjeZIQI
Parts of a Leaf Epidermis: outermost layer of a leaf Cuticle: waxy coating of a leaf that helps water from leaving the leaf Chloroplasts are in layers of the epidermis
Chloroplasts: the green “food factories” of the plant Chloroplasts: the green “food factories” of the plant. What do chloroplasts need to make food? 1) Sunlight 2) Water 3) Minerals 4) Carbon dioxide
How does the air get into the leaf? Through tiny pores on the bottom of a leaf called stomata
What does “evaporation” mean? Part of the water cycle --> when water moves from a liquid to a gas form
Plants help with the evaporation process when water evaporates or turns from liquid to gas when it is released through their leaves. What is this process called? Transpiration: when water evaporates from a plant’s leaves