Too Many Variables
The variable that is measured or observed during data collection.
What is the dependent variable?
Methods to organize data.
What are diagrams, tables and graphs?
The first step in the scientific method
What is the question or purpose statement?
The number of variables to be tested in an experiment.
What is one variable?
The variable that is manipulated by the scientist.
What scientists do to collect data.
What is an experiment or experimental procedure?
Scientific term for "educated guess."
What is a hypothesis?
The only variable that should differ between the control group and the experimental group in a controlled experiment.
The variables that must remain the same for all control and experimental groups in an experiment.
What are Constants or Controlled variables.
What is Background Information or Background Research
This rejects or supports the hypothesis based on the data.
What is a conclusion?
What is repeating the experiment OR multiple trails?
In an experiment testing the effect of a new fertilizer on flower color in roses, the type of roses used would be this type of variable.
What are constants or controlled variables?
What is test scores of students who drank Gatorade and did not drink Gatorade?
This part of the experiment is used for comparison.
What is the control group?
The problem with an experiment that survey's 10 students to represent all students in Brooklyn.
What is a small sample size?
In an experiment testing the affect of music on how long it takes to complete homework, this would be the dependent variable.
What is the time it takes to complete homework?
Scientists hypothesize that drinking caffeine before a test will decrease test scores. Scientists collected data on the scores students received after consuming caffeine. This type of data must also be collected to test their hypothesis.
What are Test scores for students who did not consume caffeine?
In an experiment testing the affect of vitamin C on children's recovery from a cold virus, this would be the control group.
Children who did not receive vitamin C.
The process where a scientist's research is evaluated for quality before it is funded or published.
What is peer review?