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ScienceInvestigation

QuestionAnswer
Scientists collect evidence through scientific investigations. These investigations are found through a procedure called the____. Scientific Method.
How many steps does a scientific investigation have? Usually its five steps.
Scientists that have questions infer about what explanations are there for them. What are they called? Hypothesis.
How do you test for a hypothesis? An experiment is used to test a hypothesis.
What are the two groups that you should test on an experiment? The experimental and control group.
Why do you need an experimental and a control group? To see the differences in the experiments when having a changed variable and an unchanged variable.
What is a controlled experiment? An experiment where only one variable is changed at a time.
What are the variables of an experiment? They are the factors that can change an experiment.
While you are testing an experiment what other thing should you do? Collect data about the experiment.
What do you do with the data that you collect in an experiment? You interpret/analyze the data in tables, charts, or graphs.
After you interpret data you______. Communicate the results by drawing conclusions to see whether your hypothesis was successful or not.
What is an independent variable? A variable that is purposely changed in an experiment.
What is another name for an independent variable? Manipulated variable.
What is a dependent variable? The factor that changes in response to the independent variable.
The dependent variable is also known as the _____. Responding variable.
Controlled variables are known as ____. Constants.
What tools do scientists use to organize and present information? Tables and graphs.
Observing, measuring or counting, asking questions, and performing an experiment are all ways to____. Collect data.
Tables____________. Allow a lot of information to be presented in a small space by organizing data efficiently.
Graphs___________. Are used to present information visually.
___,___, and___ graphs are three examples of graphs. Circle;Bar;Line
Collecting data like tables and graphs is part of making____. Observations.
What graph is best to show how a whole is divided into parts or percentages of a whole. Circle graphs.
What graph is best for counting and to show how a number of objects or events compare in relationship to a single property. Bar graphs.
What graph is used to show a relationship between two measured quantities, usually as a trend over time. Line graphs.
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