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Physical Science

Science

Physical Science Chapter Video

Physical Science Chapter Video

control

the standard used for comparison of test results in an experiment
control Simple Definition

data

information gathered through observation
data Simple Definition

density

an object’s mass per unit volume
density Simple Definition

experiment

testing a hypothesis by collecting data in controlled conditions
experiment Simple Definition

hypothesis

a possible explanation or answer to a scientific question
hypothesis Simple Definition

law

a rule that always works under the same conditions
law Simple Definition

model

a representation of an object or system
model Simple Definition

scientific law

a rule that describes what happens in nature
scientific law Simple Definition

technology

the use of scientific observations to solve practical problems
technology Simple Definition

theory

explanation of observations supported by evidence
theory Simple Definition

variable

the factor that can change in an experiment
variable Simple Definition

volume

the amount of space an object takes up
volume Simple Definition

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