science as a way of learning Flashcards
What is Scientific Theory??
A general set of principles, supported by evidence, that explains some aspect of nature.
What is science??
A method of obtaining knowledge as well as a collection of agreed info.
Define Scientific Method??
A means of coming to understand the natural world through observation and the testing of a hypothesis.
1: observation
2: question: what, why, how
3: hypothesis
4: experiments: controlled test of question at hand
5: conclusion
Define hypothesis??
A tentative, testable explanation for an observed phenomenon.
Define Variable??
An adjustable condition in an experiment.
List the 3 scientific principles??
1: must be falsifiable
2: concerns only with the natural world
3: cannot make value judgements
Define Biology??
The study of life.
What are the hierarchical levels of organization in living things??
1: atoms
2: molecules
3: organelles
4: cells
5: tissue
6: organ
7: organ system
8: organism
9: population
10: community
11: ecosystem
12: biosphere
Define life sciences??
A set of disciplines that focus on varying aspects of the living world.
Define Evolution??
The gradual modification of populations of living things over time, sometimes resulting in the development of new species.
Define independent Variable??
Factor being manipulated or changed by researcher.
Define Dependent Variable??
Response being observed or measured.
Define Control Variable?
Factors that may affect outcome, so must be kept constant for all groups.
Define experimental group??
Subject being treated or change in independent variable.
Define Control Variable??
Subject set up same as experimental group except for independent variable. Used for comparison.