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How did a tree travel halfway around the world?

Plant Adventures Unit
Lesson 1 of 4
Seed Dispersal
4.9 (4237 reviews)
Lesson narration:
Scroll for prep
Slide Image
DISCUSS:
How could the same kind of tree grow in only two places, thousands of
miles apart?
Slide Image
DISCUSS:
How could a koa seed travel all the way from Hawaii to Réunion?
Slide Image
DISCUSS:
How will the structure around these seeds change how they travel
through the air?
Step
01/18
You’ll work with a partner.
Step
02/18
Get your supplies.
Step
03/18
Write your name on the back of your maple model. Then fold dot A to
dot B. When you’re done, the gray triangle should be covered.
Step
04/18
Fold the triangle up so that it covers the picture of a seed.
Slide your paper clip on the bottom of your seed.
Step
05/18
Cut along the dotted line. Stop at the stop sign. When you’re done,
this part of your maple model should have two flaps.
Step
06/18
Fold flap 1 on the line toward you. Fold flap 2 on the line away from
you. Push your folded flaps up with your fingers so they stick out
sideways.
Step
07/18
When your teacher tells you, stand up next to your desk. Pretend to
be a tree. Root your feet to the ground, stand up tall, and stretch
your arms up.
Step
08/18
Hold your maple model from the side with two fingers. Hold it high
above your head. Drop your model and observe how it falls. Repeat.
You have 3 minutes to test.
Step
09/18
Discuss:
Step
10/18
Write your name on the back of your rain tree model. Cut along the 2
dotted black lines. Stop at the stop sign. When you’re done, you’ll
have two slits.
Step
11/18
Hold the two ends of your printout and make a “U.”
Slide the slit at one end into the slit at the other.
Step
12/18
Pretend to be a tree! Hold your rain tree model in the middle with the
ends pointing sideways. Hold it above your head, drop it, and observe
how it falls.
Step
13/18
Work with your partner to explore how both of your models fall.
Compare what is the same and what is different.
You have 3 minutes to test.
Step
14/18
Discuss:
Step
15/18
Write your name on the back of your koa model.
Fold it in half along the black line.
Run your fingernail along the fold to crease it.
Step
16/18
Hold your koa model with two fingers at one end. Hold your model
above your head, drop it, and observe how it falls. Repeat.
You have 3 minutes to test.
Step
17/18
Discuss:
Step
18/18
Discuss:
Slide Image
DISCUSS:
Do you think the wind could carry a koa seed halfway across the world?
Why or why not?
Slide Image
DISCUSS:
What could help a cherry seed move from one place to another?
Slide Image
DISCUSS:
What kind of animal could carry a koa seed across the ocean to the other
side of the world?
Slide Image
Slide Image

seed


1 of 10

a part of a plant that can grow into a baby plant
Slide Image

seedling


2 of 10

a young plant that grows from a seed
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structure


3 of 10

the specific form and shape of something
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disperse


4 of 10

to move and spread out

wind dispersal


5 of 10

when the wind moves a seed from one place to another

water dispersal


6 of 10

when water moves a seed from one place to another

animal dispersal


7 of 10

when an animal moves a seed from one place to another

observe


8 of 10

to pay close attention to something

compare


9 of 10

to notice what is similar and what is different between things
Slide Image

model


10 of 10

a pretend version of something that scientists use when the real thing is too big, small, or complicated to work with
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How did a tree travel halfway around the world?
Plant Adventures Unit
Lesson 1 of 4
Seed Dispersal
4.9 (4237 reviews)
Lesson narration:

Activity Prep

Print Prep

Standards

Jump to

Exploration

10 mins

Wrap-Up

15 mins

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Plants Lesson 1: How did a tree travel halfway around the world?

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