Show:
Surface of the Earth
Types of Rocks
Natural Resources
Conseving
100
What percent of the earth's water is salt water?
A. 3 B. 75 C. 97 D. 90
100
What is the core made out of.
nickel and iron
100
What is a natural resource.
things found in nature that is useful to people
200
Where is fresh water found. (Need at least 3)
rivers, lakes, streams, soil, air, and deep underground rock.
200
name the 4 layers of the earth. Start with the thinnest.
crust, mantle, outer core, inner core
200
Give 3 examples of natural resources
wood, sand, plants, animals, oil, water, metals
200
What is pollution?
addition of harmful materials to the environment.
300
What type of water do we drink?
Fresh water
300
Which rock is formed by melted rock from deep below earth's surface colls and hardens.
Igneous
300
What is a renewable resource? Give an example
a natural resource that can be replaced by nature.
300
How can water be polluted?
Mr. Mann approval
400
A __________ is a low area surrounded by mountians.
Valley
400
This rock is formed when sand, peices of rock, bits of soil, and remains of once living things are pressed together and harden
Sedimentary
400
What is a nonrenewable resource? Give an example
is in limited supply.
400
What are the 3 R's of recycle
reduce, reuse, and recycle
500
A _________ is a deep valley that forms when rivers cut through layers of rock.
Canyon
500
Which rock is formed when existing rocks are changed by extreme heat and pressure.
metamorphic rock
500
Name 3 things that humans make from natural resources.
light bulbs, desks, and bricks
500
How can the air be polluted?
Burning of fossil fuels,