Vocabulary 3

Porous; allowing liquids or gas to pass through

• saturated

• permeable

• impermeable

• salinity

Impassable; not allowing liquids or gases through

• permeable

• unsaturated

• saturated

• impermeable

Weak places in the mantle where molten rock (magma) push up through; creating an island.

• hotspots

• tectonic boundary

• trench

• ridge

Layer of rock & soil above the water table

• saturated zone

• unsaturated zone

A solitary mountain formed by volcanic activity

• volcanic island

• abyssal plain

• oceanic ridge

A steep incline of the ocean floor leading down from the edge of the continental shelf

• continental rise

• continental ridge

• continental slope

A gently sloping, shallow area of the ocean floor that extends outward from the edge of a continent.

• Continental slope

• Continental rise

• Continental shelf

A deep, steep-sided canyon in the ocean floor.

• plain

• valley

• trench

Area of permeable rock or soil in which the cracks and pores are totally filled with water.

• saturated zone

• unsaturated zone

The total amount of dissolved salts in a water sample.

• aquifer

• saltiness

• salinity

• hygronomy