Science
A particular way of knowing about the world
Ex. of hypothesis
If runners drink water before a race, then they will run faster.
Observation
fact
Inference
theory based on fact
Accuracy
correctness of measurement
Precision
how similar measurements are
Steps of an experiment
Research
Hypothesis
Experiment
Analyze
Conclude
Steps of technological design
Problem identification
Solution design
Implementation
Evaluation
Criteria for technological solution
Cost, time, materials
Fact
an objective, verifiable observation
Principle
a statement based on repeated experimental observation
Law
broad concept of principle that is accepted as fact (how)
Theory
an explanation of an observed phenomenon which never becomes fact (why)
Qualitative
describes qualities
Quantitative
uses numbers to measure something
IV
cause
DV
effect
Constants
aspects of an experiment that are held constant
Experimental group
groups that are being tested
Control group
group used for comparison
Technology
the advancement of society
Engineering
applies scientific and mathematical principles to solve problems