Variables
This variable is on the X axis
Independent Variable
This is something that is a fact, it cannot be argued
An observation
What tool do we use to measure mass?
A scale
What are 3 things a graph must have?
Title, Labeled Axis, and Units
This variable is on the Y axis
Dependent Variable
You use what you observe and prior knowledge to come up with this. It can be proven wrong.
An inference
What units do we use when measuring mass?
Grams
What type of graph should be used to compare distinct categories?
Bar Graph
This variable is what the scientist manipulates
Independent
"The sky is blue" is what type of observation?
Qualitative
Where should you look when measuring volume in a graduated cylinder?
Eye level
What type of graph should be used to show change over time
A line graph
This variable is what the scientists measure in the experiment
Dependent
"It is 55 degrees Fahrenheit outside" is what type of observation?
Qualitative
I measured my pencil to be 8 large lines and 4 small lines on a metric ruler, what is its length?
8.4CM
Why can we only have one independent variable in an experiment?
So we know which variable changes our results