Roots, Stems, Leaves
Introduction to ROOTS & LEAVES5th Grade
How do roots help a plant survive?1) They hold them in the
ground anchor themHelp 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 groundTake 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 LeafEpidermis: outermost layer of a leaf
Cuticle: waxy coating of a leaf that helps water from leaving
the leaf
Chloroplasts are in layers of the epidermisChloroplasts: 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 plants
leaves
