Energy & Agriculture – Chapter 3 Test

Crude oil was formed during the Mesozoic Era when dinosaurs roamed the Earth.

The hydrocarbons present in petroleum are mostly single-bonded carbon molecules called methanes

The first step in the refining process, fractional distillation, is the process by which heat is used to separate liquids based on their different freezing temperatures.

Ancient societies, such as Neanderthals, used asphalt as a way to glue sharp points made of stone to wooden spear shafts.

The substance that gives black shale its dark color is asphalt.

Petroleum was formed from ____.

One substance found in petroleum products is ____.

The fractioning process of petroleum distillation yields ____.

Kerosene is a liquid hydrocarbon created from the distillation of crude oil and it has a condensation point of around ____ degrees Fahrenheit.

Beginning around 250 million years ago, the accumulation of dead algae led to the formation of a(n) ____ zone along the bottom of coastal waters.