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Biology lab
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Observation
You observe something in the material world, using your senses or machines which are basically extensions of those senses.
Hypothesis
is a statement that expresses the expected answer to the problem statement;
is a tentative explanation to the question/ problem statement
Prediction
deductive logical consequence of a hypothesis.
Prediction`
If the hypothesis is true, then termites should follow on another along a patterned line that is drawn with erasable ink.
Experiment
a planned way to test the prediction; a way to collect data
Controlled variable
certain factors that remain constant and do not influence the outcome of the experiment.
Independent variable
the factor or variable being manipulated by the researcher (the treatment or condition being studied: “the type of writing utensil”
Dependent variable
the factor or variable that will show a response to the treatment/independent
variable (the event or condition being observed or measured
: “termites following one another in line”)
Conclusion
is a statement that presents the findings and the interpretation of the results
Benedicts solution
test for simple sugars;
aqua blue- negative test;
Lugols Iodine
test for starches
blue to black-positive;yellow to brown-negative
Biuret
presence of proteins
Author
Anonymous
ID
39533
Card Set
Biology lab
Description
Lab
Updated
2010-10-04T06:16:01Z
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