WGU C165 INTEGRATED PHYSICAL SCIENCES
EXAM 2026 FULL PREPARATION WITH
CORRECT ANSWERS
◉ Frequency. Answer: the number of complete wavelengths that
pass a point in a given time
◉ Amplitude. Answer: the height of a wave's crest or how intense
◉ Crest. Answer: Highest point of a wave (peak)
◉ Trough. Answer: lowest point of a wavelength
◉ Period of a wave. Answer: Time for one complete waveform to
travel
◉ electromagnetic spectrum. Answer: All of the frequencies or
wavelengths of electromagnetic radiation
◉ radio waves. Answer: Electromagnetic waves with the longest
wavelengths and lowest frequencies
,◉ microwave. Answer: very short electromagnetic wave; microwave
oven (oven that cooks quickly by using microwaves)
◉ Infrared. Answer: Electromagnetic waves of frequencies lower
than the red of visible light.
◉ visable light. Answer: portion of the electromagnetic spectrum
that is visible to the human eye.
◉ ultraviolet light. Answer: Electromagnetic radiation of several
wavelengths is used to control microbial growth
◉ X-ray. Answer: A form of energy that travels in waves that can pass
through some living tissue, but not through bone.
◉ gamma rays. Answer: Electromagnetic waves with the shortest
wavelengths and highest frequencies
◉ pitch. Answer: a tone's experienced highness or lowness; depends
on frequency
◉ Loudness. Answer: A physical response to the intensity of sound,
modified by physical factors
,◉ Matter. Answer: Anything that has mass and takes up space
◉ Atom. Answer: Basic unit of matter
◉ Protron. Answer: partical that carries a positive charge
◉ Neutron. Answer: A small particle in the nucleus of the atom, with
no electrical charge
◉ Electron. Answer: A subatomic particle that has a negative charge
◉ electron cloud. Answer: a region around the nucleus of an atom
where electrons are likely to be found
◉ valence electrons. Answer: Electrons on the outermost energy
level of an atom
◉ Element. Answer: A pure substance made of only one kind of atom
◉ atomic number. Answer: the number of protons in the nucleus of
an atom
◉ atomic symbol. Answer: An abbreviation for an element or atom
, ◉ Compound. Answer: A substance made up of atoms of two or
more different elements joined by chemical bonds
◉ chemical bond. Answer: the force that holds two atoms together
◉ Molecule. Answer: A group of atoms bonded together
◉ chemical. Answer: any substance that has a definite composition
◉ organic compounds. Answer: compounds that contain carbon and
hydrogen
◉ pure substance. Answer: A sample of matter, either a single
element or a single compound, that has definite chemical and
physical properties
◉ Mixture. Answer: A combination of two or more substances that
are not chemically combined
◉ heterogeneous mixture. Answer: A mixture in which different
materials can be distinguished easily
EXAM 2026 FULL PREPARATION WITH
CORRECT ANSWERS
◉ Frequency. Answer: the number of complete wavelengths that
pass a point in a given time
◉ Amplitude. Answer: the height of a wave's crest or how intense
◉ Crest. Answer: Highest point of a wave (peak)
◉ Trough. Answer: lowest point of a wavelength
◉ Period of a wave. Answer: Time for one complete waveform to
travel
◉ electromagnetic spectrum. Answer: All of the frequencies or
wavelengths of electromagnetic radiation
◉ radio waves. Answer: Electromagnetic waves with the longest
wavelengths and lowest frequencies
,◉ microwave. Answer: very short electromagnetic wave; microwave
oven (oven that cooks quickly by using microwaves)
◉ Infrared. Answer: Electromagnetic waves of frequencies lower
than the red of visible light.
◉ visable light. Answer: portion of the electromagnetic spectrum
that is visible to the human eye.
◉ ultraviolet light. Answer: Electromagnetic radiation of several
wavelengths is used to control microbial growth
◉ X-ray. Answer: A form of energy that travels in waves that can pass
through some living tissue, but not through bone.
◉ gamma rays. Answer: Electromagnetic waves with the shortest
wavelengths and highest frequencies
◉ pitch. Answer: a tone's experienced highness or lowness; depends
on frequency
◉ Loudness. Answer: A physical response to the intensity of sound,
modified by physical factors
,◉ Matter. Answer: Anything that has mass and takes up space
◉ Atom. Answer: Basic unit of matter
◉ Protron. Answer: partical that carries a positive charge
◉ Neutron. Answer: A small particle in the nucleus of the atom, with
no electrical charge
◉ Electron. Answer: A subatomic particle that has a negative charge
◉ electron cloud. Answer: a region around the nucleus of an atom
where electrons are likely to be found
◉ valence electrons. Answer: Electrons on the outermost energy
level of an atom
◉ Element. Answer: A pure substance made of only one kind of atom
◉ atomic number. Answer: the number of protons in the nucleus of
an atom
◉ atomic symbol. Answer: An abbreviation for an element or atom
, ◉ Compound. Answer: A substance made up of atoms of two or
more different elements joined by chemical bonds
◉ chemical bond. Answer: the force that holds two atoms together
◉ Molecule. Answer: A group of atoms bonded together
◉ chemical. Answer: any substance that has a definite composition
◉ organic compounds. Answer: compounds that contain carbon and
hydrogen
◉ pure substance. Answer: A sample of matter, either a single
element or a single compound, that has definite chemical and
physical properties
◉ Mixture. Answer: A combination of two or more substances that
are not chemically combined
◉ heterogeneous mixture. Answer: A mixture in which different
materials can be distinguished easily
