Ch. 2 Vocab (A Living Planet)

What consists of the sun and 8 known planets, as well as other celestial bodies that orbit the sun?

• Galaxy

• Solar System

• Universe

• Milky Way

What is the earth's center, made up of iron and nickel, called?

• Mantle

• Crust

• Core

• Lithosphere

What is the rock layer about 1,800 miles thick that is between the earth's crust and the earth's core?

• Mantle

• Crust

• Lithosphere

• Atmosphere

What is the solid rock portion of the earth's surface called?

• Lithosphere

• Atmosphere

• Hydrosphere

• Biosphere

What is an enormous moving shelf that forms the earth's crust?

• Fault

• Epicenter

• Tectonic Plate

• Seismograph

What is a fracture in the earth's crust called?

• Fault

• Epicenter

• Tectonic Plate

• Seismograph

What is a sometimes violent movement of the earth, produced when tectonic plates grind or slip past each other at a fault?

• Tsunami

• Earthquake

• Volcano

• Weathering

Which process changes rock into a new substance through interactions among elements in the air or water and the minerals in the rock?

• Mechanical Weathering

• Chemical Weathering

• Erosion

• Moraine

What type of sediment is wind-blown and produces very fertile soil?

• Humus

• Moraine

• Loess

• Delta

What is a large, long-lasting mass of ice that moves because of gravity?

• Moraine

• Glacier

• Delta

• Loess