1. Click the Green Flag to show the variables 2. Move the slider for Growth Rate to the # of cm you want the tree to grow each year. Click outside the monitor to set that value. 3. Click the Space Bar key. 4. View the program as it runs. 5. At the end of the program you will see a List. The List block creates a table of values for each of the # of years the tree grows & tree’s height each year. 6. Use this data to create a graph. 7. Predict how tall the tree will be after 15 years & after 20 years. 8. If you want to try again, click the Green Flag to reset the variables 9. Share your results. 10. What do you notice about your results and the results of others?