Chapter 2: The Physical World

What is the name given to the regular movement of water?

What does elevation describe?

Which two continents are completely surrounded by water?

What is the center of Earth called?

What term describes the increase in the average temperature of Earth's atmosphere?

How many continents are found on Earth?

By which process is liquid water turned into water vapor?

a large continuous mass of land

How far in miles is Earth from the sun?

What percentage of Earth's water is salt water?

What is the source of all energy on Earth?

a long, narrow band of volcanoes around the Pacific Ocean

a process by which water, wind, or ice moves bits of rock elsewhere

What is the name for a long, narrow, steep-sided cut in the ground or on the ocean floor?

How do the chemicals used to treat lawns affect the water supply?

What does elevation describe

a giant ocean wave

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

How long does it take plates to move enough to create landforms?

What force has caused the fastest change in Earth's environment in the last 50 years?

What is the correct term for Earth's completion of one full trip around the sun?

a small ice mass that spreads outward on a land surface

What causes earthquakes and volcanoes?

What is the name given to the regular movement of water?

Which is the correct order of Earth's layers from its surface to its center?

What percentage of Earth's water is salt water?

What process works with weathering to change Earth's surface?

What causes the seasons to change on Earth?

How many layers make up the inside of Earth?

Natural force has caused the Appalachian Mtns to be round and crumbled after millions of years?