Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
29 Cards in this Set
- Front
- Back
Scientific Method
|
a systematic process that is used to gain knowledge about a specific natural phenomena
|
|
The Scientific Method is...
|
reliable, consistent, NON-arbitrary, and minimizes bias
|
|
Scientific Method is SOR - SYSTEMATIC
|
a series of steps must be followed (like a recipe)
|
|
Scientific Method is SOR - OBJECTIVE
|
the process must be free of personal bias
|
|
Scientific Method is SOR -REPEATABLE
|
by the experimenter his/herself or by another who follows the same process
|
|
Steps of SM: Ophedd - OBSERVATION
|
physical observatuibs, based on literature reviews
|
|
Steps of SM: oPHedd - PROBLEM & HYPOTHESIS
|
Identify a problem, formulate a hypothesis
|
|
Types of Hypothesis - NON-DIRECTIONAL
|
A =/ B
|
|
Types of Hypothesis - DIRECTIONAL
|
A > B or B > A
|
|
Types of Hypothesis -
NULL |
A = B
|
|
Steps of SM: ophEdd - EXPERIMENT
|
Prediction, Design an experiment
|
|
Steps of SM: opheDd - DATA ANALYSIS
|
Stats, find the avg, st. dev, is data significant?
|
|
Independent Variable
|
Variable that the scientist controls/manipulates (the treatment)
|
|
Dependent Variables
|
Dependent upon the experimental treatment
|
|
Control Group
|
Goes through all the experimental steps but does not recieve the treatment being tested
|
|
Experimental Group
|
Goes through same steps as control group AND recieves the treatment being tested
|
|
All Living things are ORGANIZED
|
Organisms
Organ Systems Organs Tissues Cells Molecules Atoms |
|
Tissue
|
a group of cells with a similar function
|
|
Cell
|
Smallest structural and functional unit of living things
|
|
Population
|
all the members of a species that occupy a certain area
|
|
Community
|
a population of species that live in the same area
|
|
Ecosystem
|
Biological Community
|
|
Asexual Reproduction
|
One cells divides into two identical cells
|
|
Energy
|
The capacity to do work
|
|
Obtaining Energy through either:
|
Photosynthesis or food consumption
|
|
Stimulus
|
A change in the environment that we can detect and respond to
|
|
Minimizing energy, obtaining food, and reproducing are challenged by...
|
environmental chanes
|
|
Adaptation
|
Modifications in how we live in our environment
|
|
Evolution
|
process by which a species changes through time
|