Natural Resources
examples of nonrenewable resources
What are coal, soil, oil, and natural gas?
a layer of soil
What is a soil horizon?
this is the smallest land formation with steep sides, a high elevation, and a flat top
What is a butte?
the carrying away of rocks and sediments by wind, water, or ice
What is erosion?
replanting trees as they are removed and crop rotation
1) What are ways of conserving soil?
resources that, after they are used, can be made again during a life span
What are renewable resources?
the part of soil that has living, dead, and decaying plants and animals in it
What is humus?
canyons are carved by these
What are rivers?
the process of eroded material settling down into one place
What is deposition?
The 3 R's
What are reduce, reuse, and recycle?
a fossil fuel made from dead plants that lived long ago
What is coal?
broken pieces of rock, water, air, and humus
What are the 4 components of soil?
the place where a river starts
What is the source?
If weathered rock is the same as the rock it came from, this has happened.
What is a physical change
this is a major problem facing the ocean;
What is plastic?
4 examples of renewable resources
What are air, water, plants, and animals?
the testable properties of soil
What are color, texture, water retention, and the ability to grow plants?
over many years, these are responsible for carving out and creating lakes
What are glaciers?
an example of chemical weathering
What is acid rain?
a way to conserve
What is do not litter?
examples of renewable resources that help us to produce energy without burning fossil fuels
What are wind, water, and sun?
red soil contains this
What is clay?
the place where the river empties into the ocean or a larger body of water
What is the mouth?
3 sources of physical weathering
What are wind, water, and plants?
resources found in the ocean
What are fish, diamonds, gold, silver, sand, and gravel?