Data and Graphing
The type of graph is best used to show parts of a whole.
What is a pie chart? (circle graph)
A testable prediction about the relationship between variables.
What is a hypothesis?
The variable that you change in an experiment.
What is the independent (manipulated) variable?
If your experiment does not support your hypothesis.
What is to analyze the results, communicate the results, and consider revising the hypothesis for a new experiment?
What is a scatter plot?
The sentence starters used in good hypotheses.
What is, "If... then... because..."?
In an experiment, the variable that is measured for outcome.
What is the dependent (responding) variable?
Scientists must make sure experiments are able to be _____ to ensure the results are reliable and not due to chance.
What is replicated?
When you add all the values together and divide by the number of values.
What is the mean of a data set?
Importance for a hypothesis to be testable.
What is to ensure that it can be supported (proven right) or refuted (proven wrong) through experimentation?
The factors that remain the same throughout the experiment.
What are constants? (controlled variables)
The purpose of drawing conclusions from your experiment.
What is to summarize the findings and relate them back to the hypothesis?
The difference between a bar graph and a line graph.
What is a bar graph compares categories, while a line graph shows trends over time?
An example of a hypothesis related to plant growth.
What is "If plants receive more sunlight, then they will grow taller, because the sunlight is needed for growth"?
(answers vary using If... then... because... format)
The term describes the group in an experiment that does not receive the experimental treatment.
What is the control group?
Ways to communicate your experiment results effectively.
What is through written reports, presentations, or scientific papers?
The rate of change between two variables represented on a line graph.
What is slope?
This basis makes a good hypothesis scientifically valid.
What is it must be specific, measurable, and based on existing knowledge?
The difference between qualitative and quantitative data.
What is qualitative data describes qualities or characteristics, while quantitative data involves numerical values?
The significance of peer review in scientific research?
What is to evaluate and validate research before it is published?