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Ch. 17 Energy and Fossil Fuels

Across
Energy made available by the flow of electric charge
An icelike solid that consists of molecules of methane within a crystal network of water molecules
A dark, liquid fossil fuel found in underground deposits and made up mostly of hydrocarbons
Energy from resources that cannot be replaced
The deposits of moist sand and clay containing bitumen
A rock filled with a mixture of hydrocarbons; can be burned
Typically, the practice of digging shafts deep into the ground to find and remove a mineral
The process in which a fuel burns because it combines rapidly with oxygen
Energy from resources that are nearly always available on Earth’s surface or are replaced within a relatively short time
Down
The extraction of a mineral by removing a strip of the layers of soil and rock on top of the mineral deposit
Chemical compounds that are derived from oil and used to make products
The energy that an object has due to its position or shape
The energy that an object has due to its motion
An expression of how much of the energy put into a system actually does useful work
The ability to do work or cause a change