Asteroids are ________.

The core of the Earth is made of ________.

The mantle is composed of ________.

The crust is a ________.

The atmosphere is a ________.

The lithosphere includes ________.

The hydrosphere refers to ________.

The biosphere is where ________.

According to the Continental Drift Theory, Earth was once a ________.

Water covers ________ of the earth.

Which of the following is NOT one of the three basic motions of water?

Currents in the ocean are like ________.

Waves are ________ produced by wind.

Tides are created by ________.

The hydrologic cycle is the continuous circulation of water between ________.

Lakes hold ________ of earth's fresh water supply.

Rivers and streams flow through ________ and move water to or from larger bodies of water.

A drainage basin is ________.

Ground water is water held in ________.

The continental shelf is ________.

Ridges are places where ________.

Islands are formed by ________.

Relief is the difference in elevation of a landform from its lowest point to its highest point.

: ________ are enormous moving pieces of the earth’s lithosphere.

Plates at a divergent boundary move apart horizontally.

At a convergent boundary, plates collide; one goes under the other or both plates crumble.

Plates slide past one another at a transform boundary.

A fracture in the earth’s crust is called a ________.

A ________ is a crack in earth’s surface where magma, gases, and water from the lower part of the mantle pour out.

Lava is magma that has reached earth’s surface.

The Ring of Fire is a zone around the rim of the ________.

Where do volcanic action and earthquakes often occur?

Hot springs and ________ are often found in volcanic regions.

Earthquakes: Violent movement of the earth, which occurs when plates slide past each other at a ________.

A seismograph detects ________.

The focus is where an earthquake begins.

The epicenter is directly above the focus on the earth’s surface.

The Richter Scale measures the relative strength of an ________.

A tsunami is a giant ________ in the ocean.

Weathering: Physical and chemical processes that change the characteristics of rock on or near the earth’s surface.

Mechanical weathering: processes that break rock into smaller pieces.

Mechanical weathering does not change the composition of rock.

Chemical weathering: Rock is changed into a new substance as a result of interaction between elements in the air or water and minerals in the rock.

Examples of chemical weathering include iron rusting and ________.

Chemical weathering occurs more in ________, moist climates.

______ occurs when weathered material is moved by the action of wind, water, ice or gravity.

Water erosion: ______ flows in streams or rivers and erode vertically and horizontally.

______ transports and deposits material in other locations AND new landforms may be produced (EX. Sand dunes).

______ is wind blown silt and clay sediment that produce very fertile soil.

______ is a large, long-lasting mass of ice that moves because of gravity.

______ is the changing of landforms by slowly moving glaciers.

______ is when rocks left behind by a glacier form a ridge or hill.

______ is a loose mixture of weathered rock, organic matter (humus), air and water.

Which of the following is a factor of soil formation?

Which of the following is NOT a factor of soil formation?