Definitions
This is an aspect of an experiment that changes during the course of the experiment
Experimental varaible
What is one of the most important parts of a table that goes at the very top?
A title
What is a good experimental varaible?
The variable(s) that you want to test during an experiment
What is a legend?
It is a box next to a graph that provides additional information
Give an example of a blind experiment
Answers will vary
The variable of part of an experiment to which all others will be ____________.
Control (of an experiment)
What should each column also have, in addition to data?
Subtitles
What is a bad experimental variable?
A variable you want to reduce or eliminate in an experiment, that might effect the results of your actual testing in a way you do not want
Why do we use bar graphs?
To compare data between dependent and independent variables
Give an example of a double-blind experiment
Answers will vary
Experiment in which ___________ about the test is kept from _____________ to reduce bias
Blind experiment
What should go in parenthesis in the subtitle for data collected in an experiment)
Units of measure
What are dependent and independent variables?
Variables that either don't need other aspects of an experiment to function, or they do (size of a jar vs. amount of time a flame will burn inside a jar)
What is the benefit of using a circle graph?
To look at data for parts of a whole
What is bias?
A preconceived opinion on something that might impact a person's judgment or decision making abilities in an experiment
Experiments in which neither the ____________ or the ____________ know ___________________________________________.
Double-blind experiments
Describe how titles/subtitles should be in a table?
Concise, detailed, but not complete sentences
Where do dependent and independent variables go on a graph?
When do we use double bar graphs?
When comparing sets of data to each other
Why do we use a control in an experiment?
To compare all other trials in an experiment and to demonstrate what should happen to test objects in an ideal environment
What is an infographic?
A graphic that takes related information and puts it in a visually interesting format
Why do we use tables?
To show data in a way that is easier to understand for someone who may be reading about our experiment with no background knowledge
How do we better understand experimental variables that may impact our results?
Asking questions during the experiment, taking detailed notes, conducting similar experiments, testing the experiment
How is a line graph useful?
It compares previous data with new data and demonstrates trends over time
When should a person conducting an experiment consider doing a double-blind experiment?
When he/she believes that they may be influenced by other factors or introduce some bias into the experiment that could jeopardize the results