Ch 3, 6th Grade Question Preview (ID: 40069)


Earth's Systems. TEACHERS: click here for quick copy question ID numbers.

Which is NOT an Earth system?
a) atmosphere
b) biosphere
c) stratosphere
d) hydrosphere

Which of these best describes the atmosphere's density?
a) the density increases the higher you go up
b) the density stays the same no matter where you are in the atmosphere
c) the density decreases as you go up
d) the density changes depending on cloud cover and temperature

The atmosphere is mostly made of
a) nitrogen
b) oxygen
c) carbon dioxide
d) methane

Which layer of the atmosphere contains weather?`
a) troposphere
b) stratosphere
c) mesosphere
d) thermosphere

Where can water be found on Earth?
a) in the air
b) on the surface
c) underground
d) all of the above

The amount of water on Earth changes
a) true
b) false
c)
d)

A natural location where water is stored is called a
a) watershed
b) sink
c) rain shadow
d) reservoir

Most organisms need ___ water to survive
a) ground
b) fresh
c) salt
d) sparkling

The largest reservoir on Earth is the
a) ocean
b) ice caps
c) Ogallala aquifer
d) Waverly lake

How much of the freshwater on Earth is easily accessible?
a) 25%
b) more than 34%
c) less than 1%
d) 3%

The frozen portion of water on Earth's surface is called the
a) iceosphere
b) frozosphere
c) glaciosphere
d) cryosphere

How much freshwater is in the cryosphere?
a) 79%
b) 99%
c) less than 1%
d) 0%, it's all salt water

Small pieces of rock are pressed together and cemented to form
a) igneous rocks
b) metamorphic rocks
c) organic rocks
d) sedimentary rocks

The thin, outer layer of Earth is the
a) crust
b) core
c) mantle
d) mesosphere

The middle layer of Earth that flows is called the
a) crust
b) core
c) mantle
d) troposphere

A substance is solid, created in a lab, inorganic, has a crystal structure, and a definite chemical composition. Is it a mineral?
a) yes
b) no
c)
d)

The way a mineral reflects light is its
a) luster
b) hardness
c) streak
d) color

A mineral's resistance to scratching is
a) luster
b) streak
c) color
d) hardness

Weather is the pattern of the atmosphere over a long period.
a) true
b) false
c)
d)

How much of the atmosphere is nitrogen?
a) 78%
b) 21%
c) 1%
d) 33%

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