C371: Concepts in Science (WGU) PRACTICE TEST
QUESTIONS 2026-2027 NEWEST EXAM | ALL
QUESTIONS AND CORRECT ANSWERS WITH
EXPLANATIONS | GRADED A+ | VERIFIED ANSWERS |
JUST RELEASED
physical property
A characteristic of a pure substance that can be observed without
changing it into another substance.
physical change
A change in a substance that does not change its identity or chemical
composition.
chemical property
A characteristic of a pure substance that describes its ability to change
into different substances
chemical change
A change in matter that produces one or more new substances
,extensive property
a property that depends on the amount of matter in a sample
intensive property
a physical property that remains the same no matter how much of a
substance is present
Energy
capacity to supply heat or do work- one type of work is the process of
causing matter to move against an opposing force.
Potential Energy
stored energy that results from the position or shape of an object
Kinetic energy
the energy of an object that is due to the object's motion
thermal energy
Kinetic energy associated with the random movement of molecules or
atoms.
, Temperature
a quantity that measures the kinetic energy per molecule due to random
motion, (hot or cold)
Heat
the transfer of thermal energy from one object to another because of a
difference in temperature
Atom
Smallest particle of an element; from the Greek 'atomos', meaning
"indivisible"
Molecule
two or more atoms held together by chemical bonds
Atomic mass (amu)
one twelfth the mass of a carbon-12 atom; the number of protons plus
the number of neutrons;
Atomic Number
the number of protons in the nucleus of an atom
QUESTIONS 2026-2027 NEWEST EXAM | ALL
QUESTIONS AND CORRECT ANSWERS WITH
EXPLANATIONS | GRADED A+ | VERIFIED ANSWERS |
JUST RELEASED
physical property
A characteristic of a pure substance that can be observed without
changing it into another substance.
physical change
A change in a substance that does not change its identity or chemical
composition.
chemical property
A characteristic of a pure substance that describes its ability to change
into different substances
chemical change
A change in matter that produces one or more new substances
,extensive property
a property that depends on the amount of matter in a sample
intensive property
a physical property that remains the same no matter how much of a
substance is present
Energy
capacity to supply heat or do work- one type of work is the process of
causing matter to move against an opposing force.
Potential Energy
stored energy that results from the position or shape of an object
Kinetic energy
the energy of an object that is due to the object's motion
thermal energy
Kinetic energy associated with the random movement of molecules or
atoms.
, Temperature
a quantity that measures the kinetic energy per molecule due to random
motion, (hot or cold)
Heat
the transfer of thermal energy from one object to another because of a
difference in temperature
Atom
Smallest particle of an element; from the Greek 'atomos', meaning
"indivisible"
Molecule
two or more atoms held together by chemical bonds
Atomic mass (amu)
one twelfth the mass of a carbon-12 atom; the number of protons plus
the number of neutrons;
Atomic Number
the number of protons in the nucleus of an atom
