topic 1
what is a natural resource?
something found in nature humans use.
Ex:vegatables , metals , sands , oils
a naturally occurring, nonliving substance
what does pollution mean?
the presence of harmful substance in the enviorment.
what does conversion mean?
the protection and care of forest, rivers, and other natural gases.
give in exampel of a nonrenwable and a renwable?
nonrenewable: oil, natrual gases.
renewable: trees
what is a non- renewable resource ?
not made fast enough to be replaces.
Ex:coal, petrolium, natrual gases
What does classify mean?
to organize into groups based on a system.
what does effect mean.
a change that happens becuase of some kind of change.
how does poulltion effect the bioshere
the pollution could make animals move out of there home.
what is a renweable resource?
made by nature as quickly as humans use it.
Ex:trees, solar energy, wind, water
what is natural gas?
a mixture of methane and other gases formed underground and used for energy
how do humans affect natural resurces
they use the resurces to fast and do not conserve.
what is a minerals?
natural ocurring, nonliving in earths crust (solid).
what is hydroelectric energy?
energy produced by moving water.
give me two ways to protect earths resureces.
conserve water and turn off lights
what are rocks?
a natural substances made up 1 or more minerals.
what does transform mean?
to change in form.
what are two ways to reduce and reuse.
organize the garbage to where they need to be and don't wast water.