Physical geography of Earth

True or False. . The sun’s heat causes Earth to constantly orbit around it.

• True

• False

True or False. One measure for comparing climates is the average daily temperature.

• True

• False

True or False. Earth’s crust is made up of seven enormous tectonic plates.

• True

• False

True or False. Ice sheets cover most of Greenland and Australia.

• True

• False

True or False. Water contained inside Earth’s crust is called groundwater.

• True

• False

imaginary line running through Earth’s center

• isthmus

• tundra

• axis

• continental shelf

underwater plain that borders a continent

• isthmus

• tundra

• continental shelf

• summer solstice

narrow strip of land connecting two larger land areas

• isthmus

• tundra

• summer solstice

• axis

occurs on or about June 21 in the Northern Hemisphere

• summer solstice

• axis

• tundra

• continental shelf

a biome

• continental shelf

• axis

• tundra

• summer solstice