a is a testable - east pennsboro area school district · a _____ is a testable explanation •...
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The factor that you will change in your experiment is called the
_______________ variable
• Independent
___________________are the repetition of an experiment (trials) and the same conditions are kept in the experiment.
• Replicates
What is the independent variable in the following problem: How does
clay soil effect plant growth?
• Clay soil
What would be a constant for the “ice cube” experiment
• Amount of salt used
• Amount of water used
• Size of cups
• Temperature of the water
• Size of the ice cube
A________________describesrelationships under certain conditions
in nature; Describes but does not explain a natural event
• Law
___________________are inherited changes in structures, behaviors, or internal processes that enable an
organism to respond to stimuli
• Adaptations
The ______________ variable is what you predict will change as a result
of variation in your experiment
• dependent
What is the dependent variable in the following problem: How does
clay soil effect plant growth?
• Plant growth
The increase in living material (cellular mass) and the formation of
new structures is called _________
• Growth
A __________is an explanation based on many observations (hypothesis is repeatedly verified over time and
through may separate experiments)
• Theory
_______________ is the regulation of an organism’s internal environment to
maintain conditions that allow it to live
• Homeostasis
The _____________________ is a continuous process that seeks to answer
questions about the natural world.
• Nature of science
The steps commonly used by scientists in gathering information
to test hypotheses and solve problems are called________
• The scientific method
Humans sweating or shivering in order to maintain body temperature
(thermal regulation) is an example of which characteristic of life?
• Maintaining homeostasis