Determine the relationship between the number of blue handle turns and the number of green handle turns. Procedure: 1. How many teeth are on the gear turned directly by the blue handle? _____ 2. How many teeth are on the gear connected to the gear turned directly by the blue handle? _____ 3. How many times bigger is the gear turned directly by blue handle compared to its connecting gear? (divide answer #1 by answer #2) _____ 4. How many teeth are on the gear on the other end of the axle from the gear in answer #2? _____ 5. How many teeth are on the gear turned directly by the green handle? _____ 6. How many times bigger is the gear in answer #4 compared to the gear turned directly by the green handle (divide answer #4 by answer #5) _____ 7. To find the number of times green handle turns for each blue handle turn, find the product of the two relationships between the pairs of connecting gears. (multiply answer #3 times answer #6) _____. 8. Turn the blue handle completely around once. Does the green handle turns completely around this many (answer to #7) times?______ If not, check your work for steps 1-7. 9. Now complete the chart below. To find Handle multiply “Green Turns,” “Blue Handle by answer #7. You can then check your answers by turning the Turns” blue handle and counting the turns of the green handle. Blue Green Handle Handle Turns Turns
Determine the relationship between the number of blue handle turns and the number of green handle turns. Procedure: 1. How many teeth are on the gear turned directly by the blue handle? _____ 2. How many teeth are on the gear connected to the gear turned directly by the blue handle? _____ 3. How many times bigger is the gear turned directly by blue handle compared to its connecting gear? (divide answer #1 by answer #2) _____ 4. How many teeth are on the gear on the other end of the axle from the gear in answer #2? _____ 5. How many teeth are on the gear turned directly by the green handle? _____ 6. How many times bigger is the gear in answer #4 compared to the gear turned directly by the green handle (divide answer #4 by answer #5) _____ 7. To find the number of times green handle turns for each blue handle turn, find the product of the two relationships between the pairs of connecting gears. (multiply answer #3 times answer #6) _____. 8. Turn the blue handle completely around once. Does the green handle turns completely around this many (answer to #7) times?______ If not, check your work for steps 1-7. 9. Now complete the chart below. To find “Green Handle Turns,” multiply “Blue Handle Turns” by answer #7. You can then check your answers by turning the blue handle and counting the turns of the green handle. Blue Handle Turns Green Handle Turns