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Ch. 8 Rocks And Minerals Part 2
Test Description: Review for test
Instructions: Answer all questions to get your test result.
1) What type of rock is formed from heat and pressure? an example?
A
mineral, mica
B
igneous, pumice
C
sedimentary, sandstone
D
metamorphic, gneiss
2) What are three types of sedimentary rock
A
slate, gneiss, phyllite
B
sandstone, limestone, mudstone
C
gabbro, pegmatite, sandstone
D
pumice,obsidian, basalt
3) How can you classify a mineral?
A
sand-test, marble, chemical-make up
B
streak-test, dissolve-test, color
C
hardness, streak test, color- luster
D
color-luster, softness, break-apart
4) How can fossils help scientists?
A
They tell scientists about when dinosaurs and people lived at the same time
B
Fossils give evidence about Earth's history, life formation and change of the earth
C
They tell scientists only about dinosaurs
D
Fossils can help scientists with chemical reactions
5) Magma that slowly cools below the Earth's surface forms igneous rocks that have
A
large crystals
B
layered crystals
C
no crystals
D
microscopic crystals
6) The ongoing process in which old rock is broken down and formed into new rock over millions of years is known as
A
the rock cycle
B
erosion
C
weathering
D
sediment
7) What is a 1 on the Mohs scale?
A
talc
B
gypsum
C
topaz
D
flourite
8) What is a 7 on the Mohs scale?
A
quartz
B
calcite
C
feldspar
D
diamond
9) How can rocks change into soil?
A
animals break them down by stomping on them
B
water drips in cracks, freezes, thaws and weakens the rock, then it breaks
C
large equipment crashes the rocks into each other
D
they are put into chemicals that break them down
10) What is the geologic time scale?
A
divided into four parts; Precambrian era, Paleozoic era, Mesozoic era, and Cenozoic era
B
divided into four parts; Cleopatra era, Paleozinc era, Mesa era, and Cenozoic era
C
divided into four parts; Fossil era, Paleozoic era, Mesozoic era, and Erosion era
D
divided into four parts; Cambrian era, Zoic era, Mesozoic era, and Cenozoic era
*select an answer for all questions
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