4087429
Descrição
Mapa Mental por Sabina Ahmed, atualizado more than 1 year ago
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Criado por Sabina Ahmed
quase 9 anos atrás
|
|
Pathways of energy
- Our sun is 4.5 billion
years old-half way
through its life
- It has burned up about
half of its hydrogen in
nuclear fusion-this causes
the release of energy
- The energy is in
packets called
photons ( it takes 8
minutes for a photos
to reach Earth)
- Photosynthesis-
is the only way
that solar energy
can enter an
ecosystem
- Photosynthesis-
is the only way
that solar energy
can enter an
ecosystem
- The energy is in
packets called
photons ( it takes 8
minutes for a photos
to reach Earth)
- It has burned up about
half of its hydrogen in
nuclear fusion-this causes
the release of energy
- What is in
sunlight (solar
radiation)?
- Sunlight contains a
wide spectrum of
wavelengths
- Most of it is ultraviolet
(UV) visible light and
infrared radiation
- Almost half of the
suns total radiation is
visible light
- Almost half of the
suns total radiation is
visible light
- Most of it is ultraviolet
(UV) visible light and
infrared radiation
- Sunlight contains a
wide spectrum of
wavelengths
- Albedo-is the reflective power of a surface
- 49% that is absorbed at the surface, only 0.06% is captured by plants!!!
- 49% that is absorbed at the surface, only 0.06% is captured by plants!!!
- WHAT HAPPENS TO
UPCOMING SOLAR
ENERGY?
- DESCRIBING:
- Very little of
sunlight from the
Sun ends up as
biomass in
ecosystems
- Some is lost
before it even gets
to the Earth
- 49% that is
absorbed by the
surface much of
it fails
- 49% that is
absorbed by the
surface much of
it fails
- Some is lost
before it even gets
to the Earth
- Very little of
sunlight from the
Sun ends up as
biomass in
ecosystems
- EXPAINING:
- Light doesn't
hit the
chloroplast
- Light is
transmitted
alone the surface
on the leaf
- Some is reflected
- Photosynthesis
(conversion of light
to chemical energy)
is inefficient
- Photosynthesis
(conversion of light
to chemical energy)
is inefficient
- Some is reflected
- Light is
transmitted
alone the surface
on the leaf
- Light doesn't
hit the
chloroplast
- DESCRIBING:
- Once light is
converted into
chemical store
transformation-the
energy is in usable
form for producers
and those higher up
the food chain
- At each trophic
level energy is
lost from the
food chain
- Respiration is
inefficient,
resulting the
further heat
loss
- PYRAMID REPRESENT THE ENERGY TRANSFER
- BIRD
- CATEPILLAR
- oak
- MICROBES
- MICROBES
- oak
- CATEPILLAR
- BIRD
- At each trophic
level energy is
lost from the
food chain
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