Investigation Design
a factor that is kept the same or constant during an experiment
What is a control variable?
Anything that sways an experiment's results in a way that makes them inaccurate
What is bias?
A visual presentation of data
What is a chart?
A decision reached by using data and information
What is a conclusion?
These have led to the discovery of electricity and cures for diseases.
What are scientific investigations?
A factor that is changed in response to the independent variable during an experiment
What is a dependent variable?
An investigation in which neither the researchers nor the patients know who is receiving placebos
What is "double blind"?
Information gathered during an experiment or investigation
What is data?
Information used to show whether a conclusion is valid
What is evidence?
A series of standard steps in a scientific investigation
What is the scientific method?
A prediction or an educated guess that answers a question
What is a hypothesis?
A mistake in an investigation, including inaccuracy of measuring instruments and sampling
What is an error?
A picture or illustration that shows information
What is a diagram?
A representation of facts or information
What is a model?
This kind of chart looks a bit like a pizza.
What is a pie chart?
A factor that is changed by a scientist during an experiment
What is an independent variable?
A visual presentation of data
What is a graph?
A guess based on facts
What is a prediction?
Computer models are used to predict this.
What is weather?
Use of columns and rows to show data
What is a table?
This symbol, <, is often used to show data.