Natural Resource
A material found in nature that people use. (These resources can be
processed, but occur naturally.)
They help us meet our needs.
Sand
Coal
Trees
Renewable Resource
A material that, with careful planning,
can be replaced or replenished after use.
Trees
Nonrenewable Resource
A material that cannot be replaced after use.
Coal
Pollute
To harm Earth’s land, air, or water by making it dirty.
Mineral
Something that comes from the Earth
and is removed by mining.
Limestone
Diamond
Gold
Fossil Fuel
Fuel formed in the earth from
ancient plant and animal remains.
Oil
Coal
Natural
Gas
Erosion
The wearing away of soil by water and wind.
Runoff
When the water runs across hard surfaces
collecting oil, dirt, and pollutants. It can then
flow into a river and pollute the water.
Conserve
To keep something from becoming damaged or lost.