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10A - Glaciers/caves

Last updated over 5 years ago

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A cave is

A man-made whole in the ground

A natural opening in the ground

Rain has a tiny bit of ____ in it

H2O

Acid

Oxygen (O)

Sulfur (S)

Acid allows to dissolve rocks like

Limestone

Granite

Marbel

Gypsum

Oxnite

Hang from the roof of a cave

Jaxites

Stalagmites

Stalactites

Fractals

Come up from the floor of a cave

Fractals

Jaxites

Stalactites

Stalagmites

Water is the only force that can create caves

True

False

Volcanoes can make long tunnel caves called

Lave tubes

Moraines

Caverns

Processes that make caves include

Flowing sea water

Flowing rivers

Glaciers

Wind

Volcanoes

Acid Rain

Earthquakes

Water

Animals that never leave caves

Nocturnalites

Troglophiles

Troglobites

Diernalites

There less than ____ Texas cave salamanders in the world

50

100

25

60

Living in darkness, Texas salamanders have lost

Their immunity to diseases

The pigment in their skin

There limbs

Their eyes

As the salamanders have lost their eyesight

They developed means a fight or  flight muscles

They developed better senses of touch in their skin

Food is very _____ in caves

Abundant

Scarce

This map shows the rock types found underground in a certain area. The map also shows where groundwater is flowing in and around these rocks.

If caves tend to form where moving water dissolves lime stone then caves would be expected to form in which region on the map?

Southwest

Northwest

Southeast

Northeast

Glaciers are ______ structures that _____ like ______

gas; moves; butter

liquid; float; bee’s

solids; flow; liquid

______ moist air from the pacific ______ up coastal mountains, where it ______ condenses and falls as ______ and rain.

Cool; falls; warms; snow

warm; rises; cools; snow

A cubic meter of snow weighs 70 – 150 kilograms, about as much as

1-2 adult humans

A bag of marshmallows

A tree

Most of the space (or volume) of snow is air

True

False

After about two years ground snow takes on a new form called

Phineras

Firn

The final form of snow is

Bubble-free ice

Gas

Freshwater

Glaciers always have to move by melting

True

False

The zone of plastic flow

Is where there is the most pressure in a glacier

Is where there is the least temperature in a glacier

. Glaciers creep along because they are propelled by ______ like a giant gooey conveyor belt

Gravity

Wind

The sun

Erosion

Water

At the top of the glacier, in the upper 150 feet, it is known as the “zone of brittle flow” because…

This ice is melting faster because it is closer to the sun

The ice is under less pressure, so it cracks

Glaciers are always melting

True

False

It takes 200 years for new ice to be added to a lake.

This is a fast process

This is a slow process