Maryland Virtual High School of Science and ….ppt

Modeling with STELLA Maryland Virtual High School of Science and Mathematics STELLA Characteristics A dynamic concept map Focuses on change over time Makes visible the feedback in a system Allows the input of data and equations Expresses output as data tables and graphs Appropriate for math levels from pre-algebra through calculus Money Model Model Output - Graph Model Output - Table Money Model with Feedback Feedback Output Benefits of Modeling Solve Real World Problems Learn from Personal Experiences Connect Data and Processes Clarify Abstract Concepts Extend Classroom ‘Wet-Lab’ Experiences Reveal Misconceptions Hunting the Black Bear The Black Bear Model Model Results The Dangers of Tailgating The Tailgating Model Tailgating Scenario Scenario Results Carbon Cycle Objectives Model the components and processes which form the carbon cycle. Identify the characteristics of a system in equilibrium. Identify feedback loops in a system. Illustrate the effects of a disturbance to a system in equilibrium. Mauna Loa Data Carbon Cycle Model Carbon Cycle Output Enzyme Model Objectives Determine the parameter values which result in optimum performance for an enzyme. Use a simulation to extend understanding of enzyme reaction rates. Apply the results of the model to real world situations. Enzyme Model Enzyme Model Output Enzyme Model Analysis The Flow Investigation The Flow Model Model Output Contact Information Susan Ragan - Center Director sragan@ Maryland Virtual High School 51 East University Blvd. Silver Spring, MD 20901 301-649-2880 Money(t) = Money(t - dt) + (monthly_earnings - monthly_expenditures) * dt INIT Money = 100 monthly_earnings = 2000 monthly_expenditures = 1900 Garrett County, Maryland The black bear population is increasing. Bears have caused accidents on I-70. They forage for food in neighborhoods. The Department of Natural Resources wants to know if hunting should be resumed. What should the quota be? Montgomery County, Maryland You are drivi