Maps & Geology
Earthquakes
Volcanoes
Surface Water
Solar System
200

A visual representation of a space, area, or location.

What is a map?

200

A force that is applied to the central portion of a rock responsible for some rock folds.

What is compression?

200

The most abundant element in igneous rock. The amount of silica determines what type or rock it is.

What is silica?

200

A triangular or fan-shaped alluvial plane found at the mouth of the river.

What is a delta?

200

A celestial body that orbits a star and is large enough to maintain its own atmosphere.

What is a planet?

400

Lines that connect areas of equal elevation on a map.

What are contour lines?

400

A sensitive scientific instrument used to detect vibrations in the earth's crust.

What is a seismometer? 

400

A volcano resulting from alternating layers of loose volcanic material and gently flowing lava.

What is a stratovolcano?

(or composite volcano)

400

An area of land where all surface water drains into a single body of water.

What is a drainage basin?

(or watershed)

400

A small, icy body that orbits the sun.

What is a comet?

600

The portion of the earth that makes up 84% of the earth's surface and is primarily silicates.

What is the mantle?

600

The type of boundary formed when two tectonic plates are moving away from each other.

What is a divergent boundary?

600

The solid material that is deposited on the ground after a volcanic eruption.

What is tephra?

600

A smaller river that feeds into a larger river.

What is a tributary?

600

A small, rocky or metallic body that orbits the sun.

What is an asteroid?

800

The main metallic ingredient of the core.

What is iron?

800

A crack or break in a rock with no significant slippage.

What is a joint?

800

This results in volcanic structures formed from magma penetrating in between layers of rock.

What is dike or sill? 

800

A low, flat area of land next to a river that regularly overflows during times of high rain.

What is a flood plain?

800
A piece of space debris that makes it through the earth's atmosphere and hits the earth.

What is a meteor?

1000

The study of the earth.

What is geology?

1000

The point on the earth's surface directly above where an earthquake has occurred.

What is the epicenter?

1000

The three categories of volcano based on its eruption.

What are active, dormant, or extinct?

1000

One of the two ways that a river or stream can get water.

What is a spring or rain?

1000

What is a naturally occurring satellite of a planet?

What is a moon?

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