3. Natural Resources are materials found in nature.

4. Kinds of natural resources: Air Water Soil Sunlight Minerals Fossil Fuels: coal, oil, natural gas Forests Animal Life

5. Minerals: nonliving substances found beneath the earth’s surface Minerals: Iron Copper Tin Gold Silver

6. Natural resources have shaped history once we learned to use them: Minerals have been used to make tools, weapons, jewelry, & money Fossil Fuels – heat homes and power machines Marco Polo learned of the use of coal from the Chinese

7. Renewable Resources Resources that can be replaced American farmers during the Dust Bowl of the 1930s were able to get their rich soil back (better farming methods and planting trees )

8. The Dust Bowl of the 1930s

9. Nonrenewable Resources Natural resources that cannot be replaced Fossil fuels and minerals Laws have been passed & scientists work to use resources more efficiently

10. Natural resources have affected growth of settlements: Sharing of resources = better farmland (soil & water) = growth of cities Europeans = contact with Asians in spice and silk trade Industry developed as a result of coal and iron ore Gold Rush during 1800s = people moved to California, Australia, Alaska, South Africa