Chapter 2

Where are you more likely to see an ice sheet?

imaginary line running through Earth's center

Why do places on Earth have daily periods of daylight and darkness?

Which of the following correctly lists Earth's oceans smallest to largest?

What is it called when day and night in both hemispheres are of equal length?

occurs on or about June 21 in the Northern Hemisphere

__________ turns water vapor into a denser liquid or a solid state.

narrow strip of land connecting two larger land areas

__________ cover most of Greenland and Antarctica.

Water contained inside the Earth's crust is called __________.

What is the center of the Earth called?

Cold, temperate climates have _________ summer seasons.

a biome

a climate zone

The sun's __________ causes Earth to constantly orbit around it.

The crust is made up of 16 enormous tectonic __________.

The _________ connects the Atlantic and Pacific Oceans.

an area located at the mouth of a river

A _________ is the smallest of the ice masses.

Who was the scientist who invented a system that divided the Earth into climate zones?

Which mountain range in under water?

How long does it take plates to move enough to create land forms?

subsystem that consist of Earth's water

Why are cities often warmer than areas in the countryside?

process that produces safe drinking water

A year is defined as _________ days.

melted rock

Which two continents are completely surrounded by water?

underwater plain that borders a continent

What percentage of the Earth's surface is water?

One measure for comparing __________ is the average daily temperature.