C371: Concepts in Science (WGU) Ques ons and
answers RATED A+ 2025/2026 NEW!!
Ma er - Correct Answers Defined as anything that occupies space and has mass; all around us.
Solids - Correct Answers rigid and possesses a definite shape
Liquids - Correct Answers Flows and takes the shape of a container.
Gases - Correct Answers Takes both the shape and volume of its container.
Mass - Correct Answers A measure of the amount of ma er in an object
Weight - Correct Answers A measure of the gravita)onal force exerted on an object.
Law of Conserva)on of Mass - Correct Answers Ma er is not created nor destroyed in any
chemical or physical change
Pure Substances - Correct Answers A sample of ma er, either a single element or a single
compound, that has definite chemical and physical proper)es. Constant composi)on.
Elements - Correct Answers any substance that cannot be broken down into simpler
substances
Compounds - Correct Answers a thing that is composed of two or more separate elements
that can be broken down by chemical changes.
, Mixtures - Correct Answers A combina)on of two or more substances that are not chemically
combined; can be separated by physical changes, such as evapora)on.
heterogeneous mixture - Correct Answers A mixture with a composi)on that varies from
point to point.
homogeneous mixture - Correct Answers (also, solu)on) combina)on of substances with a
composi)on that is uniform throughout
physical property - Correct Answers A characteris)c of a pure substance that can be observed
without changing it into another substance.
physical change - Correct Answers A change in a substance that does not change its iden)ty
or chemical composi)on.
chemical property - Correct Answers A characteris)c of a pure substance that describes its
ability to change into different substances
chemical change - Correct Answers A change in ma er that produces one or more new
substances
extensive property - Correct Answers a property that depends on the amount of ma er in a
sample
intensive property - Correct Answers a physical property that remains the same no ma er
how much of a substance is present
Energy - Correct Answers capacity to supply heat or do work- one type of work is the process
of causing ma er to move against an opposing force.
answers RATED A+ 2025/2026 NEW!!
Ma er - Correct Answers Defined as anything that occupies space and has mass; all around us.
Solids - Correct Answers rigid and possesses a definite shape
Liquids - Correct Answers Flows and takes the shape of a container.
Gases - Correct Answers Takes both the shape and volume of its container.
Mass - Correct Answers A measure of the amount of ma er in an object
Weight - Correct Answers A measure of the gravita)onal force exerted on an object.
Law of Conserva)on of Mass - Correct Answers Ma er is not created nor destroyed in any
chemical or physical change
Pure Substances - Correct Answers A sample of ma er, either a single element or a single
compound, that has definite chemical and physical proper)es. Constant composi)on.
Elements - Correct Answers any substance that cannot be broken down into simpler
substances
Compounds - Correct Answers a thing that is composed of two or more separate elements
that can be broken down by chemical changes.
, Mixtures - Correct Answers A combina)on of two or more substances that are not chemically
combined; can be separated by physical changes, such as evapora)on.
heterogeneous mixture - Correct Answers A mixture with a composi)on that varies from
point to point.
homogeneous mixture - Correct Answers (also, solu)on) combina)on of substances with a
composi)on that is uniform throughout
physical property - Correct Answers A characteris)c of a pure substance that can be observed
without changing it into another substance.
physical change - Correct Answers A change in a substance that does not change its iden)ty
or chemical composi)on.
chemical property - Correct Answers A characteris)c of a pure substance that describes its
ability to change into different substances
chemical change - Correct Answers A change in ma er that produces one or more new
substances
extensive property - Correct Answers a property that depends on the amount of ma er in a
sample
intensive property - Correct Answers a physical property that remains the same no ma er
how much of a substance is present
Energy - Correct Answers capacity to supply heat or do work- one type of work is the process
of causing ma er to move against an opposing force.
