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Exploring Creation with Physical Science Vocab
These ought to help with physical science tests!
The study of the surrounding world and universe.
The smallest stable unit of matter in Creation.
A group of two or more atoms linked together to form a unique substance.
A substance made up of billions of atoms of the same type.
A substance made of billions of molecules of the same type.
A substance made of several different compounds and/or elements.
A defined amount of measurement.
The Metric System
a system of standard units
The amount of matter in an object
The metric unit for measuring mass.
The English unit for measuring mass.
The metric unit for measuring weight.
The metric unit for measuring distance.
The English unit for measuring distance.
The metric unit for measuring volume (how much space an object occupies).
The English unit for measuring volume.
The English and metric unit for measuring time.
A method for converting from one unit system to another that involves multiplying fractions.
The metric unit for measuring temperature.
The quantity of a substance within a certain volume.
The moisture content in the air.
A measurement of the air temperature in relation to the relative humidity used as an indicator of the perceived temperature.
The mass of water vapor contained in a certain volume of air.
The ratio of the mass of water vapor in the air at a given temperature to the maximum mass of water vapor the air could hold at that temperature, expressed as a percentage.
A chemical process by which oxygen reacts with a fuel to release energy.
The Greenhouse Effect
The process by which certain gases (principally water vapor, carbon dioxide, and methane) trap heat that radiates from earth.
The fear that the greenhouse effect might run out of control, heating the entire earth.
Parts Per Million
The number of molecules (or atoms) of a substance in a mixture for every 1 million molecules (or atoms) in that mixture.
A poisonous gas composed of three oxygen atoms bonded together.
Electromagnetic radiation with energy higher than visible light but lower than X-rays.
Combustion in which not enough oxygen is supplied to completely burn the fuel. Carbon monoxide is a common product.
A term commonly used to refer to the device that converts carbon monoxide in the exhaust of an automobile into carbon dioxide.
Government standards that regulate the average number of miles an automobile can travel on a single gallon of gasoline.
An analysis by which the potential benefits of a proposed action are weighed against the potential costs. Typically, an action is desirable if the benefits are higher than the costs.
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