Mapping & Geology
Earthquakes
Volcanoes
Surface Water
Solar System
400

The ratio between a distance on a map and its actual distance.

What is map scale?

400

A type of stress that pulls rocks apart in opposite directions.

What is tension?

400

From the Latin for fire, it refers to the rocks that result from the cooling and hardening of lava.

What is igneous?

400

A large, inland body of water with no direct connection to the ocean.

What is a lake?

400

Formulated the geocentric theory.

Who is Ptolemy?

800

This is another name for a line of longitude. There is a grand one.

What is a meridian?

800

The two types of waves that move through the earth's crust.

What are primary and secondary waves? (P or S waves)

800

This is heat harnessed from the earth's interior.

What is geothermal energy?

800

A broad, sweeping curve of a river with a low-elevation profile.

What is a meander?

800

These planets are made of rock materials and roughly the size of the earth.

What are terrestrial planets?

1200

Horizontal lines that range from 0to 90north or south. 

What are lines of latitude?

1200

The measurement of the size of an earthquake.

What is its magnitude?

1200

An opening in the earth's crust where lava, pyroclastic material, and gases erupt from underground magma chambers.

What is a vent?

1200

A graph that shows the change in a stream bed's elevation.

What is an elevation profile?

1200

This astronomer developed a mathematical model of the heliocentric theory.

Who was Nicolaus Copernicus?

1600

The boundary between the crust and the mantle.

What is the Moho?

1600

The largest recorded earthquake occurred in this country.

What is Chile?

1600

Massive, broad mountains with gentle sloping sides built from successive eruptions of high-viscosity, low density lava.

What is a shield volcano?

1600

All of the streams and tributaries that deposit water in the same watershed.

What is a stream system?

1600

A small piece of rock debris traveling through outer space.

What is a meteoroid?

2000

A material or substance that occurs in nature and is used by living beings. 

What is a natural resource?

2000

This scale measures the strength of an earthquake.

What is the Richter scale?

2000

No known eruptions with little chance of a future eruption as there is no active magma supply.

What are extinct volcanos? 

2000

The study of inland aquatic ecosystems. Originated with Francoise-Alphonse Forel.

What is limnology? 

2000

The motion of a planet that involves moving in an orbit around the sun.

What is a revolution?