Science test Flashcards
An idea, structure or system that can be used to represent something you are trying to explain
Model
Control Group
standard for comparison
Physical Science
the study of matter and energy
Problem
A situation in which something is missing
Hypothesis
A testable prediction
Variable
Factor that can be changed
dependent variable
depends on the independent variable
independent variable
adjusted by the scientist
Constant
Factor that doesn’t change
Technology
the application of science knowledge to practical problems
Theory
An explanation based on many observations/hypothesis tested many times
Observation
Gathering the info through the senses
Controlled experiment
One variable is changed
Scientific law
A role or principle that describes a pattern in nature- Theory tested many times
Inference
logical interpretation based upon prior knowledge, experiences, and observations
Matter
anything that has mass and volume
Energy
the ability to bring about change
Graph
a visual display of data
Pure Science
gathering of new info, relationships, or fact
Chemistry
composition of matter
ex of matter
rocks, people, food, cats, etc.
ex of energy
lightning, heat, sound, etc.
1-7 controlled experiment steps
the problem, research, hypothesis, experiment, observations, analysis results, conclusion
golden ratio
1.618
