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Energy (renewable and non renewable (Non renewable energy sources are…
Energy
renewable and non renewable
Non renewable
energy sources are efficient but bad for the environment
examples
fossil fuels (burns fuels)
crude oil
coal
natural gas
nuclear (uses
uranium
)
Renewable
energy sources are good for the environment but not very efficient
examples
solar
wind
biomass
hydro
geothermal
giving and taking energy
you can give an object energy by heating it up
you can take away an objects energy by cooling it down
how do things get energy
animals get energy by eating food
they burn energy by moving around
plants get energy through
photosynthesis
this is where the plant captures light from the sun and turns it into sugar
they burn energy by using the sugar to continue photosynthesising and using the sugar to stay alive
The ultimate energy source is the sun
example
sun grows grass
a zebra eats some grass
a lion eats the zebra
the lion dies and its body decomposes into the soil