Tap Counter (Debbie Brenner)
Author
Debbie Brenner, Santa Clarita Christan School
Sensor / Probe
Sensor / Probe
This app counts the number of times you tap the screen, so you can scan items with your eyes and tap the screen in order to count the items.
Sample Investigation
Sample Investigation
Sample Data & Analysis and Interpretation
Sample Data & Analysis and Interpretation
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![](https://www.google.com/images/icons/product/drive-32.png)
Photos
Photos
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![](https://www.google.com/images/icons/product/drive-32.png)
Movies
Movies
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![](https://www.google.com/images/icons/product/drive-32.png)
![](https://www.google.com/images/icons/product/drive-32.png)
PacNW National Labs: Maintaining a Daphnia population in the classroom