What is a part of the earth's surface that often causes great damage?
What is an earthquake?
100
What is an area covered with sand or small rocks that's next to an ocean or lake?
What is the beach?
100
What is a large hole that was formed by natural processes in the side of a cliff or hill or under the ground?
What is a cave?
100
What is good or service sold within a country that is produced in another country?
What is import?
100
What is a long period of extremely dry weather?
What is a drought?
200
What is the wearing away of soil by wind and rain?
What is erosion?
200
What is a ridge of jagged rock, coral, or sand just above or below the surface of the sea?
What is a reef?
200
What is a large area of flat land with few trees?
What is a plain?
200
What is to become an inhabitant of a place?
What is populate?
200
What is an object made by a human being called?
What is artifact?
300
What is a system that a community uses to produce and distribute goods and services?
What is economy?
300
What is the Pacific Ocean surrounding the continent Australia?
What is Oceania?
300
What is the continent that has the most countries?
What is Africa?;it has 53 countries
300
What is movement of people from one place to another?
What is migration?
300
What is an area of variation between upper and lower limits on a particular scale?
What is range?
400
Where is the Fertile Crescent?
What is the land in the Middle East which begins south, and runs north along the eastern coast of the Mediterranean Sea, then turns southeast through Mesopotamia, it ends at the head of the Persian Gulf?
400
What is a doomed house made from blocks of snow by Native Americans who live in the Arctic?
What is an igloo?
400
What is an area with high density of trees?
What is a forest?
400
What is a complex society that has cities, a well organized government and workers with specialized job skills?
What is civilization?
400
What is a man who fought as part of public entertainment in Ancient Rome?
What is a gladiator?
500
What is a steep slope with a nearly flat plateau on top?
What is escarpment?
500
What is an underground layer of rock that stores water?
What is aquifers?
500
What is the above ground portion of a plant community or crop, from plant grounds?
What is a canopy?
500
What is the land where Africa, Asia, and Europe meet called?