WGU c165 integrated physical sciences practice study guide questions with distinction level marking scheme version 2024/2025
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WGU c165 integrated physical sciences practice study guide questions with distinction level marking scheme version 2024/2025
Linear Momentum: - correct answer The mass of an object times its velocity.
Elasticity: - correct answer The amount of bounce that an object has after a collision.
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WGU c165 integrated physical
sciences practice study guide questions with
distinction level marking scheme version
2024/2025
Linear Momentum: - correct answer The mass of an object times its velocity.
Elasticity: - correct answer The amount of bounce that an object has after a collision.
Inelastic: - correct answer Occurs when objects stick together after a collision.
Work: - correct answer Results in the displacement of an object of the direction of an
applied force.
Potential Energy: - correct answer Energy that is stored and held in readiness.
Kinetic Energy: - correct answer Energy objects have because they are moving.
Force: - correct answer A push or a pull exerted on an object in order to change the
motion of the object; force has size and direction.
Joules: - correct answer SI units of work and energy.
Gravitational Potential Energy: - correct answer The energy that an object has due to
its height above the ground: increases with mass.
Chemical Potential Energy: - correct answer Energy that is stored in the chemical
bonds in a substance.
Ex: food, gasoline.
,Elastic Potential Energy: - correct answer Energy that is stored in stretched springs,
rubber bands, and similar
objects.
Electrical Energy: - correct answer Energy that is carried by moving charged particles.
Ex: electrons
Law of Conservation of Energy: - correct answer States that energy cannot be created
or destroyed; it can only be transferred or converted from one form to another.
Thermal Energy: - correct answer Energy produced by the motions of atoms and
molecules.
Ex: temperature
Electromagnetic Energy: - correct answer (Light Energy) Energy that is carried by
electromagnetic waves.
Ex: Gamma rays, X-rays, ultraviolet light, visible light, infrared radiation, microwaves,
and radio waves.
Energy Transfer: - correct answer Movement of energy from one place or object to
another
Wave: - correct answer A repeating and periodic disturbance (oscillation) that travels
from one location to another, transferring energy.
Mechanical Wave: - correct answer A wave that can only travel through matter; they
require a medium to transport energy.
Ex: sound waves, ocean waves.
Electromagnetic Wave: - correct answer A wave that can travel both through matter
and through a vacuum (in the absence of matter); it is a combination of an oscillating
electric field and an oscillating magnetic field.
, Ex: sunlight
Radio Wave: - correct answer A wave that has the longest wavelength of EM radiation;
has the lowest frequency and energy.
Microwave: - correct answer A wave that has a shorter wavelength than radio waves;
has a higher frequency and energy than radio waves, but lower than infrared radiation.
Infrared Wave (IR): - correct answer A wave that has wavelengths longer than those of
visible light, but shorter than those of microwaves. Frequency higher than microwaves,
but lower than visible light.
Visible Light: - correct answer Electromagnetic waves that are visible to the human
eye; a very small portion of the EM spectrum.
Ultraviolet Wave (UV): - correct answer A wave that has a wavelength shorter than
those of visible violet light, but longer than those of X-rays. Frequencies are about 10-
100 times greater than those of visible light.
Ex: the sun.
X-ray Wave: - correct answer A wave that has a wavelength that is shorter than UV
rays but longer than gamma rays. They have higher frequencies and higher energies
than ultraviolet radiation.
Gamma Ray Wave: - correct answer A wave produced in nuclear reactions and
explosions of giant stars; have the shortest wavelength, highest frequencies and
energies of all the EM radiation.
Transverse Wave: - correct answer The oscillation is perpendicular to the direction the
wave is traveling.
Longitudinal Wave: - correct answer The oscillation is parallel to the direction the wave
is traveling.
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