Quiz about Naica Caves

Question 1

Where are the Naica Crystal Caves located?

Accepted Answer

Mexico

Answer

United States of America

Answer

Canada

Answer

Brazil

Question 2

Where are the largest natural crystals known to man located?

Accepted Answer

Chihuahua, Mexico

Answer

Cairo, Egypt

Answer

Paris, France

Answer

Tokyo, Japan

Question 3

What is the length of one of the clear selenite crystals mentioned in the text?

Accepted Answer

Over 50 feet

Answer

Over 30 feet

Answer

Over 20 feet

Answer

Over 10 feet

Question 4

How much does one of the clear selenite crystals weigh?

Accepted Answer

Over 55 tons

Answer

Over 45 tons

Answer

Over 35 tons

Answer

Over 25 tons

Question 5

Where have the largest natural crystals on Earth been discovered?

Accepted Answer

In a silver and zinc mine near Naica, Mexico

Answer

In a gold mine in California, USA

Answer

In a diamond mine in South Africa

Answer

In a coal mine in Australia

Question 6

What mineral are the largest natural crystals composed of?

Accepted Answer

Selenite

Answer

Quartz

Answer

Diamond

Answer

Amethyst

Question 7

How long can the largest natural crystals reach?

Accepted Answer

50 feet

Answer

10 feet

Answer

25 feet

Answer

100 feet

Question 8

Where is the Naica Mine located?

Accepted Answer

Chihuahua, Mexico

Answer

Lima, Peru

Answer

Santiago, Chile

Answer

Buenos Aires, Argentina

Question 9

What type of crystals are found in the Naica Mine?

Accepted Answer

Selenite (gypsum)

Answer

Quartz

Answer

Diamond

Answer

Amethyst

Question 10

How large can the selenite crystals in the Naica Mine get?

Accepted Answer

4 feet in diameter and 50 feet long

Answer

2 feet in diameter and 20 feet long

Answer

6 feet in diameter and 60 feet long

Answer

3 feet in diameter and 30 feet long

Question 11

What is the name of the chamber holding the large crystals in the Naica Mine?

Accepted Answer

Crystal Cave of Giants

Answer

Crystal Chamber of Wonders

Answer

Crystal Hall of Fame

Answer

Crystal Room of Secrets

Question 12

How deep is the Crystal Cave of Giants located in the Naica Mine?

Accepted Answer

Approximately 1000 feet

Answer

Approximately 500 feet

Answer

Approximately 1500 feet

Answer

Approximately 2000 feet

Question 13

In which year did Eloy and Javier Delgado discover the world's largest crystals?

Accepted Answer

2000

Answer

1995

Answer

2010

Answer

1985

Question 14

Where is the Naica Mine located?

Accepted Answer

Southern Chihuahua

Answer

Northern Mexico

Answer

Eastern Texas

Answer

Western Arizona

Question 15

How deep was the tunnel where the crystals were found?

Accepted Answer

1,000 feet

Answer

500 feet

Answer

1,500 feet

Answer

2,000 feet

Question 16

What did Eloy compare the appearance of the crystals to?

Accepted Answer

A broken mirror

Answer

A diamond

Answer

A glass window

Answer

A shiny rock

Question 17

What did the sight of the crystals resemble according to the description?

Accepted Answer

Light reflecting off a broken mirror

Answer

A rainbow in the sky

Answer

A waterfall in the forest

Answer

A sunset over the ocean

Question 18

What happened one month after the initial discovery of the crystals?

Accepted Answer

Another team found a larger cavern

Answer

The crystals were removed

Answer

The cavern was closed

Answer

The crystals changed color

Question 19

What is the temperature inside the cave mentioned in the text?

Accepted Answer

150 degrees Fahrenheit

Answer

100 degrees Fahrenheit

Answer

200 degrees Fahrenheit

Answer

50 degrees Fahrenheit

Question 20

What is the humidity level inside the cave?

Accepted Answer

100%

Answer

50%

Answer

75%

Answer

25%

Question 21

Why was it difficult to obtain clear photographs in the cave?

Accepted Answer

Extreme ambient environment

Answer

Lack of light

Answer

Small size of the cave

Answer

Too many people

Question 22

How long can a human function in the environment described before severe loss of mental functions occurs?

Accepted Answer

6 to 10 minutes

Answer

1 to 2 minutes

Answer

3 to 5 minutes

Answer

11 to 15 minutes

Question 23

What was the photographer's main challenge while photographing the crystals?

Accepted Answer

Focusing and concentrating on getting back out

Answer

Finding the right angle

Answer

Adjusting the camera settings

Answer

Dealing with low light conditions

Question 24

What did Richard D. Fisher compare walking into the caves to?

Accepted Answer

Walking into a gigantic geode

Answer

Walking into a small tunnel

Answer

Walking into a forest

Answer

Walking into a desert

Question 25

Why can most people only endure a few minutes in the caves?

Accepted Answer

Due to high temperatures

Answer

Due to low oxygen levels

Answer

Due to narrow passages

Answer

Due to darkness

Question 26

What is the temperature of the smaller cave described in the text?

Accepted Answer

100 Fahrenheit

Answer

150 Fahrenheit

Answer

200 Fahrenheit

Answer

50 Fahrenheit

Question 27

How deep are the caves located below the surface?

Accepted Answer

1200 feet

Answer

500 feet

Answer

800 feet

Answer

1500 feet

Question 28

What size is the large chamber compared to, according to Fisher?

Accepted Answer

A Cathedral

Answer

A house

Answer

A school

Answer

A stadium

Question 29

Where were the largest previously known crystals found?

Accepted Answer

Cave of the Swords

Answer

Smithsonian Institution

Answer

Local museum

Answer

Private collection

Question 30

Where are some of the crystals now on display?

Accepted Answer

Smithsonian Institution

Answer

Local library

Answer

National Gallery

Answer

Art Museum

Question 31

What do the local government and mine owners hope to avoid?

Accepted Answer

Removing new discoveries

Answer

Selling crystals

Answer

Closing the cave

Answer

Expanding the mine

Question 32

What is the current policy of the mine company regarding visitation of the caves?

Accepted Answer

Limited to scientific experts

Answer

Open to the public

Answer

Open to mineral hunters

Answer

Closed permanently

Question 33

What happened to one man who attempted to chop out a crystal?

Accepted Answer

He was killed by a falling crystal

Answer

He successfully removed the crystal

Answer

He was injured by falling rocks

Answer

He found a valuable gem

Question 34

What did mineral hunters do after the chambers were opened?

Accepted Answer

They destroyed locks and broke in

Answer

They followed the rules

Answer

They helped with research

Answer

They reported their findings

Question 35

Who is the co-author of the book "Cave Minerals of the World" mentioned in the text?

Accepted Answer

Carol A. Hill

Answer

John Smith

Answer

Mary Johnson

Answer

Robert Brown

Question 36

What type of crystals are described as the largest ever heard of by the geologist?

Accepted Answer

Selenite

Answer

Quartz

Answer

Diamond

Answer

Amethyst

Question 37

What does the geologist suggest is needed for mine caves?

Accepted Answer

More onsite protection

Answer

More visitors

Answer

More lighting

Answer

More mining

Question 38

Why does Hill support the tourism plan?

Accepted Answer

To prevent the mining company from destroying the caves.

Answer

To increase the number of crystals in museums.

Answer

To sell the crystals for profit.

Answer

To make the caves more accessible for mining.

Question 39

What does the mining company plan to do before opening the caves to the public?

Accepted Answer

Air-condition the caves

Answer

Flood the caves

Answer

Paint the caves

Answer

Close the caves permanently

Question 40

Why does Fisher say reducing the heat gradually is important?

Accepted Answer

It will not harm the crystals

Answer

It will make the crystals grow faster

Answer

It will change the color of the crystals

Answer

It will make the caves warmer

Question 41

Why did the officials of the Penoles Company keep the discoveries secret?

Accepted Answer

To prevent vandalism

Answer

To protect the crystals from theft

Answer

To avoid media attention

Answer

To conduct further research

Question 42

What is the temperature inside the cave mentioned in the text?

Accepted Answer

150 degrees

Answer

100 degrees

Answer

200 degrees

Answer

250 degrees

Question 43

How long can a person stay inside the cave before becoming disoriented?

Accepted Answer

6 to 10 minutes

Answer

2 to 4 minutes

Answer

15 to 20 minutes

Answer

30 to 40 minutes

Question 44

What is the humidity level inside the cave?

Accepted Answer

100 percent

Answer

50 percent

Answer

75 percent

Answer

125 percent

Question 45

How old are the limestone massifs mentioned in the text?

Accepted Answer

200 million years old

Answer

100 million years old

Answer

300 million years old

Answer

400 million years old

Question 46

What elements were deposited by the thermal waters?

Accepted Answer

Lead, zinc, and silver

Answer

Gold, copper, and iron

Answer

Nickel, tin, and aluminum

Answer

Platinum, mercury, and cobalt

Question 47

What caused the limestone walls in the caves to dissolve?

Accepted Answer

Groundwater rich with sulfur

Answer

High temperatures

Answer

Earthquakes

Answer

Wind erosion

Question 48

What did the calcium released from the limestone combine with to form crystals?

Accepted Answer

Sulfur

Answer

Oxygen

Answer

Carbon dioxide

Answer

Nitrogen

Question 49

What is the name of the crystal form of the mineral gypsum mentioned in the text?

Accepted Answer

Selenite

Answer

Quartz

Answer

Calcite

Answer

Halite

Question 50

Who is selenite named after?

Accepted Answer

Selene, the Greek goddess of the moon

Answer

Athena, the Greek goddess of wisdom

Answer

Artemis, the Greek goddess of the hunt

Answer

Hera, the Greek goddess of marriage

Question 51

How long are the crystal columns mentioned in the text?

Accepted Answer

50 feet

Answer

10 feet

Answer

25 feet

Answer

75 feet

Question 52

What shape are the formations described in the text?

Accepted Answer

Shark-tooth-shaped

Answer

Cube-shaped

Answer

Sphere-shaped

Answer

Pyramid-shaped

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science