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WGU C165 Exam (Verified Answers by Expert) 2022/2023 Study Guide
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WGU C165 Exam (Verified Answers by Expert) 2022/2023 Study Guide
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WGU C165 EXAMThe study of energy and forces of matter - ✅Physics
The study of the properties of matter and how matter changes; atoms, molecules and
their interactions to form substances - ✅Chemistry
the study of the moon, stars, and other objects in space - ✅astronomy
The scientific study of earth and the universe around it including structure, materials and
processes - ✅Earth Science
The experimental factor that is manipulated; the variable whose effect is being studied. -
✅independent variable
The measurable effect, outcome, or response in which the research is interested. -
✅dependent variable
Structures that scientists build to represent something else. - ✅Physical Model
a verbal or graphical explanation for how a system works or is organized -
✅conceptual model
A description of a system using mathematical concepts and language like an equation. -
✅mathematical model
a computer program that models an event or object - ✅computer model
Only falsifiable statements can be subject to scientific inquiry - ✅principle of
falsification
a statement that is worded so that it is falsifiable, or disprovable, by experimental results
- ✅falsifiable statement
Concise statement that summarizes the results of many observations and experiments -
✅Law
A well-tested explanation for a wide range of observations or experimental results. -
✅scientific theory
, The theory that the universe originated in a huge explosion that released all matter and
energy. - ✅Big Bang Theory
Sections of the Earth's crust that move due to convection currents. - ✅tectonic plates
The hypothesis that the continents slowly move across Earth's surface. - ✅continental
drift
International System of units based on the metric system and units derived from the
metric system - ✅SI system
kilogram (kg) - ✅SI unit for mass
meter (m) - ✅SI unit for length
seconds (s) - ✅SI unit for time
Kelvin (K) - ✅SI unit for temperature
prefix used in the International System to indicate a power of 10 - ✅SI prefix
centi (c) - ✅SI prefix meaning 0.01
milli (m) - ✅SI prefix meaning 0.001
kilo (k) - ✅SI prefix meaning 1,000
Micro - ✅SI prefix meaning .000001
Nano (n) - ✅SI prefix meaning .000000001
Mega (M) - ✅SI prefix meaning 1,000,000
The distance an object travels per unit of time - ✅Speed
Amount of space occupied by an object - ✅Volume
Mass per unit volume - ✅Density
Mass divided by volume D=m/v - ✅Density formula
a relationship in which one variable increases with an increase in another variable or
vice versa - ✅direct relationship
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