Chapter 2 (6th / 7th Grades)

How long does it take Earth to rotate on its axis?

• one day

• one week

• one month

• one year

What occurs on June 2 or 21 in the Southern Hemisphere?

• spring equinox

• summer solstice

• autumn equinox

• winter solstice

Which of Earth’s layers is mostly liquid?

• crust

• inner core

• mantle

• outer core

What is the name for land at the edge of a continent that extends under the ocean?

• continental drift

• continental rise

• continental shelf

• continental slope

Where is the Ring of Fire located?

• along the rim of the Pacific Ocean

• in the middle of the Arctic Ocean

• around the Mediterranean Sea

• near the edge of the Atlantic Ocean

What happens during condensation?

• Water soaks into the ground and runs off into rivers.

• Temperatures cause water vapor to change into droplets.

• The Sun heats the ocean and water vapor rises into the atmosphere.

• Droplets grow heavier and fall to Earth as rain or snow.

The average condition of the atmosphere over a period of time is called _______.

• climate

• humidity

• precipitation

• weather

In a tundra climate, plant life includes ____________.

• evergreens or deciduous forests

• shrubs and cacti

• tropical plants and rain forests

• mosses or no vegetation

By predicting the path of a hurricane or tornado, scientist hope to ___________.

• figure out if a storm is a typhoon

• understand what causes severe droughts

• control where a storm will hit

• lessen the damage created by a storm

One example of a biological resource is __________.

• coal

• fish

• iron

• water