large streams of surface water
ocean currents
non-renewable resources that formed from the remains of ancient plants and animals
fossil fuels
decaying plant or animal matter
humus
Renewable or Non-Renewable:
-can last forever if used wisely
-includes trees
-includes animals
What mineral is used to make steel beams?
Iron
a group of plants and animals that depends on each other and the environment in which they live for survival
ecosytem
areas of tall grasses and scattered trees and shrubs
savannas
resources that cannot be replaced and will run out someday
non-renewable resources
Temperature _________ with elevation
decreases
What mineral is used to make exterior walls?
granite
permanently frozen layers of soil
permafrost
any material in nature that people use and value
natural resources
to die out and never live again
extinction
A __________________ is the dry area on a mountainside facing away from the direction of the wind.
rain shadow
What mineral is used to make window glass?
quartz
planting trees to replace lost forestland
reforestation
the place where two air masses of different temperatures or moisture content meet
front
the production of electricity from waterpower
hydroelectric power
What drives ocean currents?
winds
List 3 renewable energy sources
hydroelectricity
solar
wind
geothermal
nuclear
a region's average weather conditions over a long period
climate
seasonal winds that bring either dry or moist air
monsoons
much larger than an ecosystem and may include several ecosystems
biome
Which is larger? A biome or ecosystem?
biome
Name the 5 different climate zones
tropical
dry
temperate
polar
highland