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C371: Concepts in Science (WGU)
Questions and Correct Answers/ Latest
Update / Already Graded
Defined as anything that occupies space and has mass; all around us.
Ans: Matter
rigid and possesses a definite shape
Ans: Solids
Flows and takes the shape of a container.
Ans: Liquids
Takes both the shape and volume of its container.
Ans: Gases
A measure of the amount of matter in an object
Ans: Mass
A measure of the gravitational force exerted on an object.
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Ans: Weight
Matter is not created nor destroyed in any chemical or physical change
Ans: Law of Conservation of Mass
A sample of matter, either a single element or a single compound, that
has definite chemical and physical properties. Constant composition.
Ans: Pure Substances
any substance that cannot be broken down into simpler substances
Ans: Elements
a thing that is composed of two or more separate elements that can be
broken down by chemical changes.
Ans: Compounds
A combination of two or more substances that are not chemically
combined; can be separated by physical changes, such as evaporation.
Ans: Mixtures
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A mixture with a composition that varies from point to point.
Ans: heterogeneous mixture
(also, solution) combination of substances with a composition that is
uniform throughout
Ans: homogeneous mixture
A characteristic of a pure substance that can be observed without
changing it into another substance.
Ans: physical property
A change in a substance that does not change its identity or chemical
composition.
Ans: physical change
A characteristic of a pure substance that describes its ability to change
into different substances
Ans: chemical property
A change in matter that produces one or more new substances
All rights reserved © 2025/ 2026 |
C371: Concepts in Science (WGU)
Questions and Correct Answers/ Latest
Update / Already Graded
Defined as anything that occupies space and has mass; all around us.
Ans: Matter
rigid and possesses a definite shape
Ans: Solids
Flows and takes the shape of a container.
Ans: Liquids
Takes both the shape and volume of its container.
Ans: Gases
A measure of the amount of matter in an object
Ans: Mass
A measure of the gravitational force exerted on an object.
All rights reserved © 2025/ 2026 |
, Page |2
Ans: Weight
Matter is not created nor destroyed in any chemical or physical change
Ans: Law of Conservation of Mass
A sample of matter, either a single element or a single compound, that
has definite chemical and physical properties. Constant composition.
Ans: Pure Substances
any substance that cannot be broken down into simpler substances
Ans: Elements
a thing that is composed of two or more separate elements that can be
broken down by chemical changes.
Ans: Compounds
A combination of two or more substances that are not chemically
combined; can be separated by physical changes, such as evaporation.
Ans: Mixtures
All rights reserved © 2025/ 2026 |
, Page |3
A mixture with a composition that varies from point to point.
Ans: heterogeneous mixture
(also, solution) combination of substances with a composition that is
uniform throughout
Ans: homogeneous mixture
A characteristic of a pure substance that can be observed without
changing it into another substance.
Ans: physical property
A change in a substance that does not change its identity or chemical
composition.
Ans: physical change
A characteristic of a pure substance that describes its ability to change
into different substances
Ans: chemical property
A change in matter that produces one or more new substances
All rights reserved © 2025/ 2026 |
