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scientific investiga

QuestionAnswer
Scientist design What To Test Hypothesis ? experiments
All factors that can change in an experiment are Called ? Variables
An experiment in which only one variable is changed at a time is called a controlled experiment
a tool used to measure the mass of objects balance
a beaker marked in intervals that is used to measure volume Graduated cylinder
a tool used to produce magnified images of small objects Microscope
a tool used to measure weight and force Spring scale
a tool used to measure temperature Thermometer
a cylindrical tube, usually smaller than a beaker, that is open at one end and closed at the other Test tube
Investigations are designed to test a hypothesis. The variable that is purposely changed to test a hypothesis is called the manipulated variable.
Manipulated variables are also sometimes called independent variables.
The factor that may change in response to the manipulated variable is called the responding variable.
Responding variables are also sometimes called dependent variables.
All of the other variables or factors, besides the manipulated and responding variables, are known as controlled variables or constants.
Once information has been collected, it should be interpreted.
Collecting information for scientific investigations is a very important task. Collecting data can be done in many different ways, such as: observing measuring or counting asking questions performing an experiment
are best used to show how a whole is divided into parts (or percentages of a whole). Circle graphs
Section sizes in the graph correspond to the percentage
are best used for counting and to show how a number of objects or events compare in relationship to a single property. Bar graphs
are best used to show a relationship between two measured quantities, usually as a trend over time. Line graphs
What Is the horizontal axis X-Axis
what is the vertical axis y-axis
Line graphs are often used to see trends over time,
The information found in tables can be analyzed and interpreted to form conclusions
Created by: Tregreen12
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