A group of 3 people will be responsible for setting up and running each lab. While one person in your group runs your lab for other students, the rest of your group will visit another lab.  You will take turns in running your own lab so that each of you has an opportunity to collect data in each lab. For each lab you will record a set of paired data points (at least ten data pairs for most labs).  Record these data pairs in a Lists & Spreadsheets page in a document on your TI-Nspire handeld device so that you can create a scatter plot for each lab (independent variable in column 1 and dependent variable in column 2).  Also keep a paper record of your data pairs.

 1. Bouncing Ball

       The objective in this lab is to find a functional relation between bounce height and number of bounces (i.e. the height of each subsequent bounce after the ball is released from a certain height plotted against the bounce number).

 Attach the CBR (Calculator-Based Ranger) to an Exit Sign (or other high object) in the hallway. Hold the large bouncy ball about 50 cms directly below the CBR. Release the ball and use the CBR to record the motion of the ball as it continues to bounce (see detailed instructions for setting up the Bouncing Ball experiment with the CBR2 and your TI-Nspire).

 2. Balancing Pennies

          The objective of this lab is to find a functional relation between the number of pennies balanced on one end of a meter stick and the point on the stick at which it balances.

     The data from this experiment are needed for your Assignment 16, so please save your data!

 Create a small fulcrum on which to balance a meter stick (a thick marker works fairly well but you will need to find a way to stop it from rolling).  Record the balance point of the meter stick (e.g. 50 cm).  Place one penny on the beginning of the meter stick (between the 0 and 2 cm marks).  Move the meter stick so that it balances.  Record the new balance point of the meter stick (e.g. 47.5 cm).  Add a second penny on top of the first penny at the beginning of the stick and repeat the procedure.  Continue repeating the procedure for a maximum of ten pennies on top of each other.

3. Chill Out!

The objective of this lab is to find a functional relation between the temperature of a cooling temperature probe and time that it takes to cool down after being placed in a beaker of hot water.

Use a temperature probe with your TI-Nspire to record the cooling of the temperature probe after being immersed in a beaker of hot water (see detailed instructions on provided activity sheet).  You will graph the temperature of the cooling probe over time. The objective is to find a function that fits the collected data and use this function to predict the room temperature in degrees centigrade and how long it would take the probe to reach room temperature.  You should record the starting temperature of the water, your best-fit function, the estimated room temperature and the estimated time to reach room temperature.

        4. Light Intensity
The objective of this lab is to find a functional relation between the intensity of light and the distance of the sensor from the light source.

Dr. Olive will assist in the set up of this lab.  Using the light sensor and your TI-Nspire, you will collect data for the intensity of light emanating from a source as you vary the distance of the sensor from the light source.  The sensor should start at least 30 cm from the light source and move away from the source 10 cm at a time.  You will record the intensity reading from the light sensor and the distance from the source in your two data lists (see detailed directions for collecting data).

5. Rolling Can

The objective of this lab is to find a functional relation between the distance from a motion detector of a can rolling up and down a sloping table and the time of its roll.

You will attach the motion detector (CBR2) to the raised end of the long table and collect time and distance data using your TI-Nspire connected to the CBR2 as you roll an unopened soup can from the other end of the table towards the CBR. Detailed instructions will be provided.

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