Winning the Golden Cricket: Introduction to the Scientific Method Hour: 1st, 2nd, 3rd, 4th, 5th, 6th, 7th (Circle One) Name and/or Lab Partners: _______________________________________________________________________________________ _______________________________________________________________________________________ Log on to: http://www.gc.maricopa.edu/biology/glacier/scientific_method/ If this doesn’t work: use google and type in the golden cricket lab Please Read You do not need to sign in or use a password for this exercise. Complete the tutorial section and move to the cricket simulation. You are expected to create your own experiment and determine factors(s) that affect the rate of cricket chirps. You will need to take detailed notes of your observations and experimental evidence to make conclusions. Answer questions on this handout, and turn with your golden cricket award. Be sure you understand each section before going on to the next section. Questions 1. In the cricket study, what were the initial observations? ____________________________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 2. In your experiment, the rate of cricket chirps is the dependent variable. You should have tested each of the five possible independent variables to determine which of these might affect chirp rate. However, you only manipulated one variable at a time. Why? ____________________________________________________________________________________ ____________________________________________________________________________________ 3. List five independent variables you tested and their effect on chirp rate. Independent Variable Effect on Chirp Rate 1.___________________________________________________________________ 2.___________________________________________________________________ 3.___________________________________________________________________ 4.___________________________________________________________________ 5.___________________________________________________________________ 4. Write a hypothesis for chirp rates based on air temperature. Write your hypothesis in an If, Then statement. Use your text book p. 13-17 for help. ____________________________________________________________________________________ ____________________________________________________________________________________ 5. When testing the hypothesis above, how many crickets were near the chirping male _________________ what was the wind speed _________________ what was the humidity _________________ 5. Graph the results of your experiment using are temperature. Include a title, equal spacing of units/data on x and y axis, a key, identify the independent and dependent variables on the appropriate x or y axis, represent the data with the appropriate type of graph. Graph must be drawn in final draft format. 6. Based on there results, what do you conclude about your hypothesis? ____________________________________________________________________________________ ____________________________________________________________________________________ 7. What other factors, not available on this simulation, might you test? ____________________________________________________________________________________ 8. Who was Dr. A.E Dolber? What did he write? What formula did he establish pertaining to the article he wrote? ___________________________________________________________________ ____________________________________________________________________________________ ____________________________________________________________________________________ 9. Attach your golden cricket award to the bottom of these lab sheets (print in black and white). If this lab is completed outside of class time please have an adult verify the time and place the award was won. Time:_______________________ Place: ____________________ Adult Witness: _____________________________ 10. If you had difficulties with the cricket lab, I suggest you do the tutorial listed before the cricket lab. This reviews the key ideas of the scientific method.