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# CCHS HOME OF THE PANTHERS

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### CCHS HOME OF THE PANTHERS

1. 1. ScienceData Collection <br />For the Interactive White Board Using a Variety of Sensors and a <br />Vernier Go! Link USB Computer Interface<br />
2. 2. This session will show you how to connect a Go! Link or other computer interface to temperature, pressure, voltage, light , motion, and magnetic field sensors for data collection.<br />Light<br />Pressure<br />Voltage<br />Motion<br />Stainless Steel Temperature<br />Magnetic Field<br />Temperature<br />
3. 3. Data Collection Interfaces <br /><ul><li> The simplest and least expensive interface is a Vernier Go! Link (\$60)
4. 4. It uses the included Logger-Lite Software.
5. 5. It will work with 36 sensors.
6. 6. Also available are Go! Temp (\$39) and
7. 7. Go! Motion (\$99)</li></ul>Vernier Go! Link USB Interface<br />Go! Products Demo:<br />http://www.vernier.com/go/index.html<br />
8. 8. Using a Magnetic Field Sensor<br />Which part of the magnet has the greatest magnetic field strength? What will happen to the strength of the magnetic field as the magnet is pulled away from the sensor? <br />
9. 9. <ul><li>What is the relationship between distance and magnetic field strength?
10. 10. Does this graph match your prediction?
11. 11. What other forces behave this way?</li></ul>Actual graph of Distance (cm) and Magnetic Field Strength (mT) <br />
12. 12. A Light Sensor can be used to conduct a similar experiment to show that light intensity vs. distance follows the inverse square law. <br />Light Intensity = 1/d2.If you could make a graph of distance from the center of earth vs. gravity it would also show an inverse square.<br />This lab activity is found in :<br />Physical Science with Vernier<br />By Donald L. Volz and Sandy Sapatka<br />The link below has directions for the lab activity. “How Bright is the Light?”<br />http://www2.vernier.com/sample_labs/PSV-25-COMP-how_bright_is_light.pdf<br />
13. 13. Use a gas pressure sensor and a syringe to see what happens to the pressure as you decrease the volume of air in the syringe.<br />Try this experiment!<br />
14. 14. Measuring the voltage of a Lemon Battery <br />http://www2.vernier.com/sample_labs/PSV-33-COMP-lemon_juice.pdf<br />This lab activity can be found in Physical Science with Vernier<br />By Donald L. Volz and Sandy Sapatka<br />
15. 15. <ul><li> Move a magnet up and down inside a solenoid that is connected to a voltage sensor.
16. 16. Predict the graph that will result.
17. 17. What happens if you don’t move the magnet?</li></li></ul><li>Graph of Voltage as a Magnet is Moved Inside a Solenoid<br />
18. 18. <ul><li> What will happen to the temperature of the water as it is heated for a long time on a hot plate?
19. 19. Draw your prediction on a graph.</li></li></ul><li>Graph of Temperature as Water is heated and boils.<br /><ul><li>Was your prediction correct?
20. 20. Why does the graph stop rising at 100 degrees Celsius?</li></ul>This lab activity is found in Physical Science with VernierBy Donald L. Volz and Sandy Sapatka<br />http://www2.vernier.com/sample_labs/PSV-02-COMP-boiling_temperature.pdf<br />
21. 21. 6. Tell what you think is happening in this graph?<br />
22. 22. The Motion Detector can be used with a LabPro which connects to the computer through a USB port.<br />http://www2.vernier.com/sample_labs/PSV-36-COMP-velocity.pdf<br />
23. 23. This graph using Logger Pro shows position/time for a battery powered car. The slope of the line is the velocity. Notice extra analysis features in Logger Pro.<br />This graph shows velocity/time for the same toy car. The slope of the line is the acceleration.<br />
24. 24. CCHS Science<br />