An isolated hill with a flat top and steep sides.
The lines running north-south between the poles, which determine distance east to west.
The headland that juts into a body of water.
A sudden, violent shaking of the ground causes by tectonic forces.
A steep rock face, particularly near the sea.
An artificial machine or body that orbits the Earth or other planets to gather data and communicate.
A flowing course of water to a larger body, such as a sea or lake.
A narrow passageway of water between two larger bodies.
One of the five major oceans, and the second largest.
The thickest of the Earth's layers, mainly made of hot dense rocks.
A long and narrow island parallel to a coastline, which protects the mainland from storms and erosion.
Global Positioning System
A spherical model of Earth.
A magnetic instrument that points north and is used in navigation.
The second largest continent.
A vertical running circle passing through the poles and any give position on the surface of the Earth.
A depression or area of low elevation between higher elevated areas.
A broad inlet of a body of water where land curves inward.
To gradually wear away or destroy land by wind, water, and other forces.
The imaginary line that runs east to west around the Earth parallel to the poles.
The largest of the Earth's five major oceans.
The stretch of land along a sea.
A structure carrying a road or pathway over or across an obstacle.