Science

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Science

• Test A1A

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Question A

• An electron microscope is
• a tool used to make things look many thousands of
  times bigger than their size.

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Question B

• In order to look at objects more closely, it is
  often necessary to change
• the magnification used to view them.

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Question C

• One characteristic that differs among minerals is
  the way they
• break apart.

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Question D

• Breaking apart crystals of a substance results in
  smaller crystals with
• the same shape.

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Question E

• Structures that show the regular arrangement and
  order of the particles within them are called
• crystals.

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Question F

• A crystal that is used as an ingredient in cement
  and concrete is
• quartz sand.

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Question G

• When mica breaks apart, it splits into
• thin sheets.

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Question H

• Nonliving pieces of solid matter that make up
  rocks are called
• minerals.

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Question I

• A crystal that has a cube shape leaning to one
  side is a
• salt crystal.

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Question J

• Patterns of crystal shape are
• very orderly.

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Question K

• The way that the surface of a crystal reflects
  light is called its
• luster.

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Question L

• The different ways that minerals break apart are
  due to
• the inner arrangement of their particles.

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Question M

• The hardest mineral known is
• diamond.

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Question N

• The four main properties of gemstones are
• color
• luster
• hardness
• cleavage

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Know this definition!

• Geode
• Crystals that form inside a rock

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Know this definition!

• Luster
• The amount of shine on the surface of a crystal

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Another definition to know!

• Cleavage
• The way a crystal splits into pieces with flat
  surfaces

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One more definition to know!

• Hardness
• Strength of forces holding crystal particles

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Know this concept map.
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Essay Question 1

• How could you change the scale of a very small
  organism you are studying?
• Hint think of two ways this could be done.

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Essay Question 2

• Describe the structure of a sugar granule.
• Hint find out what the shape a crystal of sugar
  is like