Magma that has broken through Earth's crust and is on the surface
What is lava
100
The wearing away of rock through some kind of motion
What is weathering
100
A human made lake
What is a reservoir
100
The distance North or South of the equator is known as a place's
What is latitude
100
The way human population is spread over Earth's surface
What is population distribution
200
a thick mass of slow-moving ice
What is a glacier
200
A possible explanation or unproved assumption
What is a theory
200
A crack in the Earth's crust
What is a rift
200
The areas on Earth where the rays of the sun are most slanted are
What are the poles
200
It is estimated that the world's population is more than
What is 6 billion
300
What happens when the movement of plates cause the Earth to shake
What is an earthquake
300
The continuing movement of continentatl plates
What is continental drift
300
The only continent without rivers
What is Antarctica
300
Rhode Island has this type of climate
What is temperate
300
The use of connected ditches, canals, or pipes to carry water to dry areas
What is irrigation
400
a crack in Earth's crust along which movement occurs
What is a fault
400
Earth is tilted as it revolves and rotates around the sun. The earth tilts on this
What is its axis
400
Streams and rivers flow from ________________ ground to ______________ ground
What is high ground to low ground
400
When the Northern Hemisphere is tilted toward the sun, it is experiencing ______________
At this time, the Southern Hemisphere is experiencing ____________________
What are summer and winter
400
what we call the change of fertile land to desert land
What is desertification
500
From the inside of Earth to the outside, the layers are...
What are inner core, outer core, mantle, crust
500
The layer of Earth beneath the crust, that is made up of hot, rock-like materials
What is the mantle
500
The longest river in the world
What is the Nile
500
This type of breeze occurs when cooler air over land flows out to sea
What is a land breeze
500
The regions of the world with the greatest numbers of people are
What are Eastern Asia, Southern Asia, Europe, and Eastern North America