Tuesday, March 7, 2017
The independent variable in this experiment is surface. An independent variable is the thing that is changed in a scientific experiment.
The dependent variable of this experiment are the times of the runs.
A dependent variable is the variable that changes depending on the independent.
The controlled variable are that there are seconds and speeds.
Controlled variables are the factors that stay the same.
Tuesday, January 10, 2017
The first block moves 4 wheel rotations so it gets to the first line. The second and third block are the opposite. They make the arm move down and back up. It repeats 3 times. We needed it to back up into the box. We had to code it from our computers. It took us a lot of tries but we finally got it.