Scientific Method Flashcards
(29 cards)
Gel electrophoresis
A test to compare DNA or proteins, DNA is cut w/ enzymes the placed in wells, small fragments fall to bottom larger at top
Chromatography
A test to separate pigments
Pit above water line
Indicator
A chemical that changes color when another chemical
Control
Normal group
Dependent variable
What to measure to answer the research question put on y axis
Hypothesis
Educated prediction if then
Independent variable
One per exp facto u change
Placebo
Used for control group saline shot or super pill
Sample size
Number of subject in exp
Theory
A more complex scientific law
Bias
Belief that is influenced by assumption
Infrence
Conclusions based on observations
Peer review
Several scientists examine the details of the experiment
Scientific literacy
applying critical thinking skills, understanding how proper science should be conducted
Compound light microscope
Magnifies translucent objects
Dichotomous key
Chart with 2 options per level used to classify organisms
Dissection
examination of preserved species
Magnifacation
Enlarge the view of the object
Mass
Quantity of matter
Metric ruler
Tools used to determine length in metric units
Model
A representation of a concept that is difficult or in possible to view
Stain
Chemical used to determine a ph balance
Volume
The space an object occupies
Conclusion
Decision about the result
