True or False
Features of the earth include clouds, the sun and the moon.
False
True or False
When magma comes out of the cracks in the earth's crust it is called lava.
True
All rocks are made of _________.
minerals
True or False
The sun is an inexhaustible natural resource.
True
True or False
The Hawaiian Islands were formed by volcanoes.
True
True or False
Fresh water is found in oceans.
False
________ is the wearing down of rocks over a long period of time.
Weathering
________ are nonliving, useful materials that come from the earth.
Name three kinds of natural resources.
inexhaustible
renewable
nonrenewable
What is the inner most layer of the earth?
Inner Core
Where can fresh water be found?
lakes, rivers, ponds, and streams
The movement of soil and rocks by wind, water, or other pieces of rock.
Erosion
Rocks formed from magma or lava.
Igneous
Give three examples of earth's natural resources.
water
oil
coal
wood
gold
What is the outer layer?
crust
How much of the earth's surface is covered by ocean?
3/4's
The movement of the earth's plates causes _______ and _______.
volcanoes and earthquakes
Rocks formed from sand and clay that have been compacted together.
Sedimentary
Why is wood a renewable resource?
Trees can grow back, but it takes awhile.
What layer is right outside of the inner core?
outer core
Name six of earth's features.
mountains, hills, valleys, oceans, rivers, and lakes
Explain how a volcano erupts.
When magma is forced up through the volcano, the volcano erupts.
Rocks that are formed when existing rocks are subjected to heat and pressure over time.
Metamorphic
Name two things that can be recycled into something new.
cans
bottles
newspapers
What layer is under the crust?
mantle