Show:
Terms
Definitions
Identify Rocks
Formations
Questions
100
A cave that forms when the ocean beats upon a weak area of a cliff and erodes a hole into the rock

Sea cave

100

A cave that forms when molten lava flows out from beneath a hardened surface of lava and leaves behind an underground chamber

Lava cave

100

Metamorphic rocks made up of layers like the leaves (pages) of a book

Foliated rock

100

Thin, hollow tubes that hang from the ceiling of many caves

Soda straws

100

What is the second most common type of coal; softer and more crumbly than bituminous coal and widely used for generating electricity?

Sub-bituminous coal

200

The force that pulls magnets apart of pushes them together

Magnetism

200

The area surrounding a magnet in which the force of magnetism affects other objects

Magnetic field

200

A metamorphic rock formed from limestone; the most widely used unfoliated rock; makes beautiful statues and monuments

Marble

200

A formation formed by a stalagmite growing tall enough to reach the ceiling or join with a stalactite

Column

200

What type of coal is of the poorest quality; also called brown coal?

Lignite coal

300

The two ends of a magnet where the magnetic field seems strongest

Poles

300

A magnet that becomes magnetized only when it is hooked to a battery or some other source of electric current

Electromagnet

300

A sedimentary rock made from cemented skeletons of microscopic sea animals

Chalk

300

Thin, wavy sheets of hanging rock

Draperies

300

What do we call an animal that cannot survive above ground; means "cave dweller"?

Troglobite

400
A stream of harmful particles that flows constantly from the surface of the sun

Solar wind

400

A cave formed by the dissolving of underground rocks by water

Solution cave

400
A foliated metamorphic rock made from shale

Slate

400

A thick, icicle shaped formation coming down from the ceiling of a cave

Stalactite

400

What do we call an animal that can live its entire life either in a cave or above ground and can go from one place to the other; means "cave lover"

Troglophile

500

The scientific study of caves

Speleology

500

The region of space affected by the earth's magnetic field

Magnetosphere

500

Rock salt; a sedimentary rock formed from chemical sediments

Halite

500

A steep mound or spike of calcium carbonate coming up from the cave floor

Stalagmite

500

What do we call an animal that visits caves regularly bust must return to the surface to find food; means "cave guest"?

Trogloxene