Vocab
Information gathered by observation or experimentation that can be used in calculating or reasoning.
Data
The three areas the natural sciences are divided into.
Life Science, Earth/Space Science, and Physical Science
These are performed in the laboratory.
Experiments
A predicted but undesirable effect
Expected Unfavorable Effect
Scientific theories change due to this.
The discovery of new evidence.
All the measurements and data scientists gather in support of a scientific explanation.
Empirical Evidence
The study of the natural world.
Science
These occur in every scientific investigation, but most frequently in ___.
Fieldwork
Is used to compare different features of technology or products
Pugh chart
The reason scientists regularly gather at meetings.
To discuss and debate ideas.
Accepting risks in exchange for benefits or giving up one benefit to gain another.
Trade-off
Everyday use of the word theory.
Guess/hunch
Representations of an object or system.
Models
These results of a risk-benefit analysis indicate that a technology should NOT be used.
Risks > Benefits
(> means greater than)
The second step in a scientific investigation.
Forming a hypothesis/making predictions
An organized procedure to study something under controlled conditions.
Experiment
Help us understand the laws we observe.
Theories
A hypothesis must be ___.
Testable
This helps inventors and manufactures consider the real cost of a technology.
Life cycle analysis
The most reliable source to discover scientific information
Scientific journal
A description of a specific relationship under given conditions in the natural world.
Scientific Law
The two types of scientific investigations.
Fieldwork and Laboratory Work
The first step in a scientific investigation
Define a problem/question
Unpredicted but desirable effect.
Unexpected Favorable Effect
When the scientist who conducted the original investigation repeats the study.
Repetition