Which of the Earth's systems includes the crust and landforms?

• atmosphere

• lithosphere

• biosphere

• hydrosphere

Which system refers to oceans and bodies of water?

• hydrosphere

• atmosphere

• lithosphere

• biosphere

Which system contains layers of gases surrounding the Earth?

• lithosphere

• biosphere

• hydrosphere

• atmosphere

Which of Earth's systems includes all plant and animal life?

• lithosphere

• atmosphere

• biosphere

• hydrosphere

How do scientists believe the continents were situated millions of years ago?

• they have never moved or drifted apart

• some of them did not even exist

• they were at the same locations as they are today

• they were connected into a single, giant super-continent

Mountain chains like the Himalayas were formed when...

• continental plates collided into each other

• a land plate sank under an oceanic plate

• tectonic plates moved away from each other

• convection in the mantle caused plates to move

Seafloor spreading and rift valleys are caused by what?

• an oceanic plate sinking under a land plate

• continental plates pushing into each other

• tectonic plates moving apart from each other

• convection within the mantle

Plate movements can cause vibrations near faults, or...

• tornadoes

• earthquakes

• tsunamis

• hurricanes

Massive, destructive waves caused by ocean vibrations are known as what?

• tornadoes

• hurricanes

• tsunamis

• tropical storms

Which of the following is a zone of volcanoes and earthquakes around the Pacific Ocean?

• Volcano and Earthquake Zone

• El Nino

• Ring of Fire

• Bermuda Triangle