- has this been tried before? What happened?
An educated guess about the outcome
- Create graphs & charts to show data
.
What is a constant variable?
-the parts of the experiment always kept the same
What is an independent variable
-the one thing that is changed and tested
What is an dependent variable?
-the variable that your measuring
~measurement of what the change has done
*#’s you record
What is experimental error?
-this is based on chance alone & is not true
What is sample size?
larger your sample size, the less probability of error