Juegos tradicionales de honduras

Chapter 8 Test Name:_______________________
Date:_______________________
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1) Which statement explains why acrystal shape is a useful property of minerals?
A Few minerals form solid crystals that we can identify.
B Most minerals are made of cube-shaped crystals.
C Crystal shapes vary within each type ofmineral.
D Each mineral has crystals that are a particular shape.

2) Most rocks are ______.
A made of only one type of mineral
B made of one large crystal
C made of different combinations ofminerals
D made of granite

3) Which property of minerals is described as dull, metallic, pearly, or glassy?
A luster
B color
C streak
D hardness

4) Topaz leaves a scratch on calcitewhen they are rubbed together. What does that tell you about the two minerals?
A) Topaz is a softer mineral than calcite.
B) Topaz has a lower Mohs number than calcite.
C) Topaz has a brighter lusterthan calcite.
D) Topaz is a harder mineral than calcite.

5) A mineral is gold colored, has metallic luster, produces a green-black streak, and has a hardness of 6–6.5. What mineral is it?
A)calcite
B) hornblende
C) pyrite
D) quartz

6) What do bits of rock, soil, and dead matter form at the bottom of bodies of water?
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Chapter 8 Test
6) What do bits of rock, soil, and deadmatter form at the bottom of bodies of water?

A minerals
B sand
C clay
D sediments

7) What type of rock forms from tiny bits of skeletons and shells of sea animals?
A shale
Blimestone
C sandstone
D mudstone

8 How does water help change rocks into soil?
A Freezing keeps pieces of rock from breaking apart.
B Freezing and thawing cause pieces of rock to break apart....