Physics Education – Demonstrating Interference using a Datalogger

The following is a great example of using a data logger to do a physics experiment, which can be difficult to perform using conventional equipment. This experiment uses a sound sensor (microphone) connected to a data logger to perform an experiment traditionally done with an oscilloscope . Oscilloscopes can be difficult to set up and get the trigger function to work effectively. Many teachers struggle with this piece of equipment. A data logger can simplify the setup and provide a great way to take measurments.

 

This experiment was conducted using the Ezilog USB data logger.

Biology Education:Transpiration

Biology: A Local Ecosystem
Evaporation of Water from terrestrial plants - Transpiration

The following is a great example of using a data logger to improve upon an experiment which has used conventional equipment (potometer) in the past.  The data logger combined with an electronic balance improves upon this experiment by allowing direct measurement of water volume uptake vs time and by combining other sensors (light, humidity, temperature) to determine the effect of environmental conditions upon transpiration rate.
Please read on ……

This experiment was conducted using the Ezilog USB data logger and TLI Mass Balance Sensor.

Physics Education:Impulse and Momentum.

The following is a great example of using a data logger to do a physics experiment, which would otherwise be very difficult to achieve. It involves the use of two sensors – a photo gate and a force sensor. We will attempt to show that the change in momentum during a collision is equal to the impulse during the collision. We will determine the impulse by finding the area under the force vs time curve. Please read on ……
This experiment was conducted using the Ezilog USB data logger.

Aim:

To investigate the relationship between impulse and momentum.

Physics Education:Oscilloscope Probe



Computer based Oscilloscopes represent another great application of computers to science technology. They fall into two categories –

1. USB and
2. sound card

USB Oscilloscopes use electronics to connect to the USB of the computer and then software to control and acquire data. An example is the Pasco 850 interface and Capstone software. It has a frequency Range: 0.001 Hz to 500 kHz; 1 mHz resolution and amplitude Range: ±10 V. For more information about Capstone go to

http://www.microscope-shop.com.au/catalogue/html/search.aspx?Model=capstone

Physics Education:A data logger based “ticker timer"

Position vs time graphs, and velocity vs time graphs. (A data logger based “ticker timer”.)

The following is a great example of using a data logger to improve upon an experiment which has used conventional equipment (ticker timer) in the past.  The data logger improves upon the accuracy and also the duration of the experiment, without effecting the educational experience.

This experiment was conducted using the Ezilog USB data logger.