1.3 Flashcards
What does a good 2 step hypothesis include?
A specific reason that explains the phenomena and a written, testable statement.
What is a control group?
A group in which the independent variable is not present and is the standard to which comparisons are made in an experiment.
How do error bars work?
If there is a big overlap then the difference is not significant. If there is a little overlap then the difference is less significant. If there is no overlap then the difference is significant.
Write a hypothesis for why trees cannot grow in the Sahara Desert.
Trees cannot grow in the Sahara because of a lack of fertile soil and water. If there is not fertile soil and water, then trees cannot grow.