Ch 2 World Geo Test

Where does groundwater come from?

• Rain, melted snow, lakes, and rivers

• Sewers and septic tanks

• Ditches and drains

• Thunderstorms, tornadoes, and hurricanes

What do many scientists believe

about the earth’s continents?

• They don't exist in real life, only on maps.

• They started as islands then overtime as the water levels got lower they emerged

• They were once joined as a single

  massive supercontinent.

• They will all eventually sink

Surrounding the inner core of the

earth is the

• a layer of gases

• the mantle

• A liquid outer core

• a water barrier to prevent overheating

A stream is a body of water that _____

• contains freshwater

• flows through land areas

• is completely surrounded by water

• is long and thin

Accretion, a type of tectonic

activity, occurs when

• continental plates drift apart

• two plates collide to create mountains/volcanoes

• a tsunami floods a city/area

• a sea plate slowly slides under a

  continental plate

Erosion is the wearing away of

Earth’s

• glaciers due to global warming

• mantle due to global warming

• surface by wind, glaciers, and

  moving water

• surface by animals living and ruining the terrain

Three types of _______ are seas,

gulfs, and bays.

• water cycles

• saltwater areas

• freshwater areas

• bodies of water

the earth's inner core is _____ and _____

• liquid and extremely hot

• solid and extremely hot

• liquid and extremely cold

• solid and extremely cold

deepest known area of the seafloor

• bikini bottom

• underwater volcanoes

• mariana trench

• mountain mauna kea

Warm air causes ______ , forming

clouds

• condensation

• precipitation

• evaporation

• steam