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Scinentific Investig

QuestionAnswer
What is a controlled experiment? An experiment in which only one variable is changed at a time.
What is a hypothesis? a possible answer to a question based on gathered information.
What is a test tube? a cylindrical tube, usually smaller than a beaker, that is open at one end and closed at the other.
Manipulated variables are also called what? independent variables.
What are bar graphs best used for? counting and to show how a number of objects or events compare in relationship to a single property.
The longer the bar the greater what? amount of the object or frequency of the event.
What are line graphs best used for? to show a relationship between two measured quantities, usually as a trend over time.
Responding variables are also sometimes called what? dependent variables.
Scientists design what to test a hypothesis? experiments.
All factors that can change in an experiment are called? variables.
what is a controlled experiment? An experiment in which only one variable is changed at a time.
gathering data requires what to be made? observations.
When an experiment scientist do what to the data? analyze.
Tables allow what? a lot of information to be presented in a small space.
While tables are used for organizing information, graphs are used to what? present information visually
The information found in tables can be analyzed and interpreted to form conclusions and make what? predictions about the data and the topic of the investigation.
Once information has been collected, it should be what? interpreted.
Most of the time, when data needs to be interpreted is it placed where? into tables or graphs.
Tables and graphs are tools that scientists use to organize and what? present information.
Collecting data can be done in many different ways like? observing measuring or counting asking questions performing an experiment
The bar for each object is a certain length, which is determined by it's what? amount or occurrence in relation to the other bars.
One scale identifies the objects to be compared and the other scale is what? numerical.
The numerical scale must be what? consistent.
A graph can be misleading or difficult to read if what? the wrong scale is chosen.
Created by: mtorre96
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