Transcript Self Starters November

Self Starters November
• a5. Which best finishes this analogy: An
egg is to a cake what at mineral is to a
_____.
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•
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A.
B.
C.
D.
atom
cell
streak
rock
• b11. Why are rocks and minerals
necessary to our civilization?
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A.
B.
C.
D.
for jewelry and decoration
to build machines and buildings
to make our food and water from
to make into clothing and shoes.
• b6. Which of the following processes are
required in the formation of all igneous
rock?
• A. Complete melting
• B. Erosion
• C. Deposition
• D. Compaction
• a4. Which assumption must scientists
make about the rock cycle?
• A. igneous rocks cannot change into
other rocks because they are already
changed.
• B. rocks are formed in Earth’s center and
rise to the crust to form the soil.
• C. igneous rocks form in volcanoes and
then erode to form metamorphic rocks.
• D. rocks in ancient times weathered,
eroded and deposited as they do today.
• c12. A sample of rock has visible foliations
(bands) of alternating dark and light
colored crystals. Which type of rock is the
sample?
• A. igneous
• B. sedimentary
• C. metamorphic
• D. Not enough information to answer.
• c14. A sample of rock has no visible
foliations (bands) or crystals but does
contain gas bubbles. Which type of rock is
the sample?
• A. igneous
• B. sedimentary
• C. metamorphic
• D. Not enough information to answer.
• c15. How are igneous rocks grouped?
• A. by the shape and size of the rock
sample
• B. by how quickly the molten magma
cooled
• C. by the place in the world the sample
was found.
• D. by whether there are layers or bands
• a1. Why are sedimentary rocks often
formed in large, flat layers?
• A. Flat layers are formed whenever
magma flows outward from Earth.
• B. Sediments find flat surfaces on Earth
to collect.
• C. Sediments usually collect on Earth’s
surface as flat deposits.
• D. Heat and pressure cause sediments to
flatten out into sheets.
• b4. According to scientific assumptions,
which rock layers in the Grand Canyon will
usually contain older fossils? Those
found:
• A. nearer to the surface or the top of the
canyon.
• B. at the edge of a cliffs.
• C. in rock layers located half way down
the canyon.
• D. in the rock layers located deep in the
canyon.