Introduction to Leaf Identification

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Transcript Introduction to Leaf Identification

Types of Leaves
Take out your “Layers of the Forest” notes sheet
In the top left hand corner answer the following questions:
1. What direction will you use the compass to find when
setting up your quadrant?
2. What color stake will you use for the sides of your quadrant
(cardinal directions)
3. What color stake will you use for the corners?
4. What are the dimensions of your quadrant?
5. How long is the rope?
6. What is the name of the method used to mark your first
Forest layers
Canopy
What is it like in the canopy?
 Sun?
 Wind?
 Temp?
Canopy
Tallest trees
Tops of trees form a ceiling
Treetops stop a lot of the light
Protects the soil from erosion
Understory
Understory
Smaller trees with thin
trunks
Stop just below canopy
Wait for a gap to grow into
canopy
Shrub Layer
Shrub Layer
Small shrubs (woody stems
but small)
Grow between the smaller
trees
Forest Floor
Forest Floor
 Dark
 Covered in a layer of leaves, twigs, and
dead plants
 Decayed leaves provide nutrients to soil
 Alive with invertebrates and
microorganisms
Simple Leaf
Simple Leaf
Alternate vs Opposite
(we are using the LEAF STALK…it is green)
Alternate or Opposite Leaves
Compound leaf
What is this?
What is this?
Compound Leaf
Compound leaves
Leaf Margins (edges)
 Smooth
Serrated = with teeth
Equilateral
Lobed
(multiple sections)
Oak Shaped
Rounded Lobed
Pointed Lobed
For each of the following….
 Partner up with the person next to you…
 Make sure you are quiet so other groups can’t hear your
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answers.
You are competing against your classmates.
Write down all of the characteristics you can about the
leaf on a sheet of paper
Then I will have 1 rep for each group stand up and stay
standing as long as they get the characteristics right.
Look at your notes sheet for ONLY THE FIRST 2
Take out a piece of paper and classify this leaf using t
vocabulary you learned on Friday. Use as many words
possible
Take out your permission slip if you did not hand it in
Yes, we are going outside!