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Rebecca conducted a study on the effects of sleep deprivation for twelfth-graders during midterm exams. She followed two groups of five students each. After two grading periods, she turned in the data she collected. Which steps were left out?
True
Little Ann's eyes are brown.
a hypothesis
research and analysis
after gathering information and before experimenting
All are correct
All are acceptable
Control and variable
Data is another essential part of an experiment. Which of the following is an acceptable form of data communication?
True
Little Ann's eyes are brown.
a hypothesis
research and analysis
after gathering information and before experimenting
All are correct
All are acceptable
Control and variable
A statement as to why an event occurred that is the basis of an experiment is
True
Little Ann's eyes are brown.
a hypothesis
research and analysis
after gathering information and before experimenting
All are correct
All are acceptable
Control and variable
Experiments should always be
True
Little Ann's eyes are brown.
a hypothesis
research and analysis
after gathering information and before experimenting
All are correct
All are acceptable
Control and variable
What two things MUST be present in an experiment for the experiment to be valid?
True
Little Ann's eyes are brown.
a hypothesis
research and analysis
after gathering information and before experimenting
All are correct
All are acceptable
Control and variable
A class is conducting an experiment on chemical reactions. At what point in the activity would a hypothesis be formed?
True
Little Ann's eyes are brown.
a hypothesis
research and analysis
after gathering information and before experimenting
All are correct
All are acceptable
Control and variable
True or False :When forming a conclusion a scientist must evaluate the data collected during the experiment to determine if the data supports or denies the hypothesis before he or she can begin creating a conclusion
True
Little Ann's eyes are brown.
a hypothesis
research and analysis
after gathering information and before experimenting
All are correct
All are acceptable
Control and variable
A qualitative observation would be
True
Little Ann's eyes are brown.
a hypothesis
research and analysis
after gathering information and before experimenting
All are correct
All are acceptable
Control and variable
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