Max and Mia were impressed with machines that could pull heavy objects. They investigated what makes objects move. The Pulling Machine helped you learn about friction. After you were finished building the Pulling Machine, you had to program it in the Lego Wedo App on your Chromebook. 1. Explain what you learned about friction. 2. You were encouraged to test out different ways to make your Pulling Machine be able to pull a heavier load. What did you do to change your Pulling Machine design to make it stronger? 3. Did your Pulling Machine have a balance or unbalanced load? What happened with an unbalanced load? 1. Tap the button. 2. Tap the button. 3. Tap the tool to add any other information. 4. Tap the to add to your journal. When you are finished your reflection video, click and listen to other videos from students in your class. *** In our online community we are safe, respectful and responsible.