This is the term for water deposited on the earth in the form of rain, snow, hail, sleet, or mist.
What is precipitation?
100
A large, continuous mass of land
What is a continent?
100
These are caused by plate movement along fault lines.
What are earthquakes?
100
Earth's 24-hour cycle of day to night is caused by this.
What is Earth's rotation on its axis?
100
What percentage of Earth's surface is covered in water?
What is 70%?
200
These move slowly over time, sometimes spreading out on a land surface. They are also the smallest of the ice masses.
What are glaciers?
200
Earth's rigid crust is made up of 16 enormous pieces called these.
What are tectonic plates?
200
This is a giant ocean wave caused by volcanic eruptions or movement of the earth under the ocean floor.
What is a tsunami?
200
Changes in air pressure caused by uneven heating of Earth's surface produce this.
What is wind?
200
Panda bears are indigenous (native of) this continent.
What is Asia?
300
This process changes liquid water on Earth's surface to water vapor.
What is evaporation?
300
This results when the rocks on one side or both sides of a crack in Earth's crust have been moved by forces within Earth.
What is a fault?
300
This may occur when certain gases combine with water vapor in the air to create toxic acids.
What is acid rain?
300
The world's largest island is known as this.
What is Greenland?
300
This is the name of the substitute teacher you had this week.
What is Miss Michaela?
400
This is a process that separates most dissolved minerals (especially salt) to produce water that is safe to drink.
What is desalination?
400
This is the process by which weathered bits of rock are moved elsewhere by water, wind, or ice.
What is erosion?
400
What year did the famous earthquake/tsunami hit Alaska, mostly in the Seward/Whittier/Homer/Kenai area?
What is 1964?
400
Which forces created the Grand Canyon?
What is wind and water?
400
Before they formed in the manner you see on today's maps, the Earth's continents were joined together at one time. What is the name is this pre-historic "supercontinent?"
What is Pangaea or Pangea?
500
This is an area where sand, silt, clay, or gravel is deposited at the mouth of a river. These conditions can make the soil extremely fertile, and led to successful early civilizations along the Nile and in Mesopotamia.
What is a delta?
500
A long, narrow band of volcanoes formed in the Pacific is called this.
What is the Ring of Fire?
500
This is what can occur after long periods of below-average rainfall.
What is drought?
500
Where is most of Earth's freshwater stored?
What are the polar ice caps?
500
What is the largest organism in the world?
I'll accept a few different answers:
1. The honey fungus
2. The quaking aspen in Utah
3. The Taiga boreal forest in northern North America/Europe/Asia