Variables
The variable that is measured
What is the DV (dependent variable)?
The first step in the scientific method
What is observe and/or ask questions?
Testable question or no:
How does the water temperature affect how quickly alka-seltzer dissolves?
YES – Testable question
Metric or Imperial: Liters
Metric
Observe
The variable that is changed
What is the IV (independent variable)?
Prediction
Testable question or no:
What does the color of someone's hair mean for how tall they are?
YES – Testable question
Metric or Imperial: Celcius
Metric
What are you doing when you are "inquiring"
Seeking out information about something
The variable where things are kept the same
What is the CV (constant or control variable)?
After scientists reach a conclusion, they do this with their data and results
Share it
Testable question or no:
Why does the earth spin?
NO
Metric or Imperial: Feet
The type of data that is described
Qualitative data
The number of independent variables you can have in an experiment
What is one?
Accurate and trustworthy
The format we use for testable questions
How does _________ affect _________ ?
Metric or Imperial: Fahrenheit
Imperial
The type of data that is counted or measured
Quantitative data