Gold Flashcards

1
Q

Characteristic

A

distinguishing one person or thing from others; special

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2
Q

Corrode

A

To wear or eat away gradually

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3
Q

Hoard

A

What is saved and stored away. Things stored

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4
Q

Engulfed

A

To swallow up and overwhelm

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5
Q

Extract

A

To pull out or draw out usually with effort

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6
Q

Exploit

A

To make use of

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7
Q

what is the genre of the story:

A

expository nonfiction

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8
Q

what does the photo and caption on page 606 best illustrate?

A

How much people value gold

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9
Q

one reason that gold has always been treasured is:

A

Doesn’t lose its shininess over time

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10
Q

what is one generalization that is supported by this story

A

gold is seldom in large quantities

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11
Q

what was the first method for etracting gold

A

panning for gold

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12
Q

which of these statements about gold are facts and which is an opinion?
‘‘glistening bright yellow , gold i s a heavy metal that is treasured in every country in the world’’
‘‘gold extremley rare which is one of the many reasons why we value it so highly’’
‘‘it has several other unusual properties that make it perfect metal for many tasks’’
‘‘with so many special properties its no wander that gold can be put to so many different uses’’

A

Fact:
“Glistening bright yellow, gold is a heavy metal that is treasured in every country in the world.”
“Gold is extremely rare, which is one of the many reasons why we value it so highly.”
“It has several other unusual properties that make it perfect metal for many tasks.”

Opinion:
“With so many special properties, it is no wonder that gold can be put to so many different uses.”

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13
Q

what is the authors purpose for writing this story

A

to inform and entertain us about gold

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14
Q

ancient persians and egyptians most likley extracted gold using the same method as:

A

The forty-niners in california in the mid-nineteenth century

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15
Q

gold is used to produce the lines that connect astronauts to space vechicles because it;

A

because the gold never corrode

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16
Q

what is the best way to express the main idea of the selection titled “Precious Properties” on page 612

A

gold does not corrode

17
Q

what is the importance of the loose bonding of golds atoms

A

it is easy to break

18
Q

Based on the story , what is one conclusion about South Africa that can be made

A

Gold from low-grade ores was not extracted in South in South Africa long ago because the technology did not exist that made it possible.

19
Q

What did the author include to help readers better understand scientific information?

A

Expalinations of terms