mineral
luster
provide homes for wildlife, remove carbon dioxide from atmosphere, provide food and medicine, create oxygen
hardness
burn fossil fuels which release gasses that trap heat, cut down forests which provide oxygen and homes for wildlife, use up most of available farm land
igneous rock
cleavage
crystal
metamorphic rock
natural gas
sedimentary rock
fossil fuels
volcano erupts, cools and forms an igneous rock, weathering breaks down rock into sediments, sediments pile on top of each other and form a sedimentary rock, over time heat, pressure or chemical weathering changes the rock into a metamorphic rock
geothermal energy
renewable: can be replaced as fast as used, air and water. nonrenewable: can't be replaced as fast as used, coal and petroleum
an energy source made from once living organisms
Human impact on Earth
Importance of forests
a fossil fuel found in the form of a gas
a renewable resource that is generated from the heat in Earth's interior
property that uses the Mohs scale, determines how difficult it is to scract
The appearance of a mineral
Difference between renewable and nonrenewable resources and examples
A naturally formed solid with a definite internal pattern
Rock that forms from molten rock that has cooled and hardened
A nonliving, naturally occurring solid with a definite chemical structure
Rock that is made from pieces of rocks and minerals
how a rock breaks
Rock cycle
rock that forms when one type of rock changes into another type of rock
