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2026-2027) Correct Detailed & Verified ANSWERS (100%
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Chemistry: - ANSWERS-The study of atoms and molecules, their structures, and their
interactions to form various substances.
Law: - ANSWERS-A concise statement that is supported by scientific evidence and
repeated experiments. Describes a widespread pattern in nature. Intended to be
universal.
Scientific Investigation: - ANSWERS-Scientists test their ideas with a variety of different
types of investigations. Ex: laboratories, controlled experiments, astronomy, field
studies, models.
SI System: - ANSWERS-International System of units based on the metric system and
units derived from the metric system.
Base Quantities: - ANSWERS-Seven designated physical quantities (sets) from which
all other SI quantities can be derived.
(1) Meter (m)-length
(2) Kilogram (k)-mass
(3) Second (s)-time
(4) Kelvin (K)-temperature
(5) Amperes (A)-"amp"-electric current
(6) Candela (cd)-light intensity
(7) Moles (mol)-amount of substance
,Time: - ANSWERS-Base quantity that measures how long an event lasts or the break
between events.
Length: - ANSWERS-Used to describe the distance between two objects, or the two
ends of an object.
Mass: - ANSWERS-Used to describe the amount of matter in an object.
Temperature: - ANSWERS-A measure of how hot or cold something is.
Gram: - ANSWERS-a metric unit of mass equal to one thousandth of a kilogram.
Meter: - ANSWERS-The base unit of length in the metric system. Unit symbol (m).
Liter: - ANSWERS-Basic unit of volume in the metric system. Unit symbol (l).
Second: - ANSWERS-SI base unit for time. Unit symbol (s).
Physics: - ANSWERS-The study of forces, energy and motion.
Earth Science: - ANSWERS-This field focuses on Earth's structure and composition, as
well as the processes that change Earth, such as volcanic and seismic activity.
Physical Science: - ANSWERS-The scientific study of nonliving matter. Ex: chemistry,
physics, and Earth science.
Astronomy: - ANSWERS-The study of the moon, stars, and other objects in space.
Controlled Experiment: - ANSWERS-An experiment in which only one variable is
manipulated at a time..
, Independent Variable: - ANSWERS-The variable that is manipulated in an experiment.
Dependent Variable: - ANSWERS-The outcome factor; the variable that may change in
response to manipulations of the independent variable.
Control Variable: - ANSWERS-A variable that is kept constant during a controlled
experiment.
Observational Study: - ANSWERS-The systems are observed as they appear in nature
and researchers do not attempt to change them.
Laboratory Experiment: - ANSWERS-Researchers study the system of interest in a
highly controlled artificial setting (lab).
Physical Model: - ANSWERS-A physical representation of an object. Ex: Scaled down
version of the solar system.
Conceptual Model: - ANSWERS-A verbal or graphical explanation for how a system
works or is organized. Ex: posters, charts.
Mathematical Model: - ANSWERS-Uses different forms of data to represent the way a
system or process works. Ex: formulas, graphs, mathematical means. Ex: F=ma
(formula).
Computer Model: - ANSWERS-A computer program that models an event or object.
Important in explaining and predicting natural phenomena. Ex: weather patterns, solar
system.
Principle of Falsification: - ANSWERS-Principle that only falsifiable statements can be
subject to scientific inquiry.