You have to ‘use up’ energy
to make this change
You have to ‘use up’ energy
to make this change
Can you ‘get’ that energy back, when you make this change?
You have to ‘use up’ energy
to make this change
Can you ‘get’ that energy back, when you make this change?
No!
Well, a tiny bit, sometimes. Not that often.
Energy needed
Energy ‘lost’ (ahem)
Energy
IN
Energy OUT (ahem)
Energy
IN from Sun
Energy OUT(ahem)
Plants make food
Anything eats food
Energy
IN
TO Earth
Energy
OUT (ahem)
TO outer space
Plants make food
Anything eats food
Sun
radiates
light
Earth
radiates
heat
Energy
IN
TO Earth system
Energy
OUT
TO outer space
Sun
radiates
light
Earth
radiates
heat
Life, weather, climate, and cycles of matter.
Plants make food
Anything eats food
Sun
radiates
light
Earth
radiates
heat
Can you ‘get’ that energy back, when you make this change?
No!
Well, a tiny bit, sometimes, and that tiny bit fuels all the ecosystems on Earth.
You have to ‘use up’ energy to make this change
Primary producer makes food AND burns a
lot of the food/fuel
it makes in order
to live
Primary consumer eats food
Sun
light
Can you ‘get’ that energy back, when you make this change? A tiny bit
Energy
OUT
TO outer space
Energy
IN
TO Earth system
Food = Fuel
Primary consumer* makes a tiny bit of food...
...but burns most of the fuel it consumed by living
Secondary consumer* makes a tiny bit of food...
...but burns most of the fuel it consumed by living
Tertiary consumer* makes a tiny bit of food...
...but burns most of the fuel it consumed by living
*or detritivore or decomposer
Energy IN to
Earth system
Energy
OUT
to outer space
Weather, and other physical events
Life
Matter moves around
Energy IN
to Earth system
the same amount of Energy OUT
to outer space
physical events
Life
Energy IN
to Earth system
the same amount of Energy OUT
to outer space
all of Earth’s cycles of matter, aka
all the bio-geo-chemical cycles