Lesson 1
A small, rapidly twisting funnel of air that touches the ground
tornado
These are seasonal winds that can bring either dry or moist air
monsoons
This is a place where a plant or animal lives
habitat
natural resource
What is a way to make valuable resources last longer?
- conservation
-recycling
Large streams of surface sea water
ocean currents
permanently frozen ground
permafrost
The spread of desert-like conditions
desertification
Resources that cannot be replaced
nonrenewable resources
The production of electricity from water power
hydroelectricity
A region's average weather conditions over a long period
climate
These are areas of tall grasses and scattered trees and shrubs
savannas
ecosystem
Planting trees to replace lost forestland
natural gas
This is a warm current that flows north along the U.S. East Coast
Gulf Stream
In the ice cap climate lows of _________ have been recorded.
-120 degrees Fahrenheit
This is decayed plant or animal matter
Dark liquid used to make fuels and other products
petroleum
Name two renewable resources
water, soil, trees, plants, animals
The rising, sinking, and flowing of air creates Earth's what?
prevailing wind patterns
The tropical climate zone extends from the Tropic of ____________________ to the Tropic of ___________________
Cancer/Capricorn
What is a consequence of clearing land?
- causes soil to erode
-plants and animals in the area left without food and shelter
Processed to make products such as plastics and cosmetics
petrochemicals
Name a nonrenewable resource
coal and minerals