Transcript Learning From Nature Plants

Learning From Nature
Plants
Let’s Review!
Plant Parts
“Name That
Plant Part”
Using Student Responders
To respond to a
question:
• Wait for polling
to open.
• Then select your
response by
pressing the
letters on the
keypad.
One Solid
Press
1. What plant part helps
anchor the plant in the
ground.
100%
em
0%
st
ro
ot
af
0%
le
w
er
0%
flo
A.flower
B.leaf
C.root
D.stem
2. This plant part tends to
grow upward from the
roots.
50%
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st
ro
ot
af
0%
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w
er
0%
flo
A.flower
B.leaf
C.root
D.stem
50%
3. What plant part makes
most of the chlorophyll?
100%
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0%
st
es
av
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w
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flo
s
0%
s
0%
ro
ot
A.flowers
B.leaves
C.roots
D.stem
4. Photosynthesis takes
place in this part of the
plant.
100%
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0%
s
0%
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A.flowers
B.leaves
C.roots
D.stem
5. This plant part holds the
stamen, pistil, sepal,
ovary, ovule, and seeds.
A.flowers
B.leaves
C.roots
D.stem
6. This part helps the plant
carry water throughout the
plant.
A.flower
B.leaf
C.root
D.stem
7. We eat spinach and
lettuce which is this part of
the plant.
em
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A.flowers
B.leaves
C.roots
D.stem
10
8. This part of the plant
plays a key role in
pollination.
A.flower
B.leaf
C.root
D.stem
9. These parts of the plant
take in carbon dioxide and
sunlight from the air.
em
0%
st
s
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av
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w
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0%
ro
ot
0%
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0%
flo
A.flowers
B.leaves
C.roots
D.stem
10
10. What plant part tends
to grow downwards, away
from light and towards
water?
s
0%
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A.flower
B.leaves
C.stem
D.roots
10
Different
plants need
different
amounts of
light, water,
and nutrients.
Roots
The roots hold the plant in the soil and absorbs
water and nutrients.
Mangroves
Airbreathing
roots
Ivy
Attachment
Stems
A plants
stem holds
the plant in
place and
carries water
throughout
the plant.
Ginger
Cactus
Cactus
Leaves
Leaves are a
plants food
factory.
Protection
Opuntia
Carnivorous Plants
Venus Fly Trap
Pitcher Plant
Let’s Investigate!
Water Shedding Leaves
Why does
water bead
up on some
surfaces and
not on
others?
The Lotus
Effect
The surface
of a lotus
leaf is always
clean.
(source: W. Barthlott, Bonn)
Wikipedia-http://en.wikipedia.org/wiki/Lotus_effect
As water drops roll along the surface of the
lotus leaf, it carries off dirt and debris.
Lotus Leaf
Close-up of a
lotus leaf
Lotus flower leaves have self
cleaning surfaces.
This adaptation is mimicked in
paint, glass, and fabric.
The
building
on the
right has
been
painted
with
Lotusan
paint.
This unique system of seed dispersal
inspired the invention of …
Cocklebur
Velcro
Biomimicry
• Bio – life
• Mimic – to copy or imitate
• Biomimicry – to imitate life
or take inspiration from
nature to solve human
problems.
Gecko feet inspired the
invention of …
Gecko
Super-sticky
tape
Marshes inspired the invention
of …
Mars
h
Filter and
clean
Plant leaves inspired the invention
of …
Leaves
Solar cells
Kelp inspired the invention of …
Kelp
Reduceddrag
Scientists are learning new things
from nature everyday. Imagine the
new things you can create by
mimicking nature.
Learning From Nature
Compiled by Crystal Clark
Video Clips
• Infamous Inventions: Velcro
http://videos.howstuffworks.com/howstuffworks/3
5522-infamous-inventors-velcro-video.htm
• Water on Kale http://www.youtube.com/watch?v=lHXTLhcYeD
Q
• Lotus Leaf demo http://www.youtube.com/watch?v=LJtQ6dvcbOg
&feature=related
• Lotus-Effect Video Clip –
http://www.lotus-effekt.de/en/filme/index.php