The World and Early People

Scientists believe that continental drift ...

• caused Earth's continents to move closer together.

• was not responsible for how Earth's continents were formed.

• caused the supercontinent known as Pangaea to split into the continents present on Earth today.

• caused Earth's separate continents to form one large landmass long ago.

What occurs when the sudden movement of Earth's plates shakes the surface?

• a volcano

• a tornado

• an earthquake

• a fierce hailstorm

Wind and water change Earth's surface in a process known as ...

• weathering

• glacial melt

• plate tectonics

• faulting

How much of Earth's surface is covered by water?

• less than 30 percent

• less than 10 percent

• more than 70 percent

• more than 90 percent

A reservoir is a ...

• lake that forms behind a human-made dam

• lake that contains saltwater.

• lake that forms when water fills a low place on Earth`s surface.

• lake that forms in a large rift in Eart's crust.

How would you describe a polar climate?

• neither very hot nor very cold

• extremely cold

• extremely hot

• extremely humid

1. Which of the following does not affect climate?

• the elevation, or altitude, of landforms above sea level

• farming

• the heating and cooling differences between land and water

• a place's latitude

One way the people might adapt to living in an extremely cold environment is by ...

• building homes with many openings

• using air-conditioning.

• building homes with a few windows and doors.

• wearing lightweight clothing.

Which of the following is true?

• People usually settle on mountain ranges.

• People usually settle along with the bodies of water.

• People usually settle in dry inland areas.

• People do not often settle along coastlines.

The largest metropolitan area in the world today is ...

• Mexico City, Mexico.

• Tokyo, Japan.

• Mumbai (Bombay), India.

• Sao Paulo, Brazil.