XO – Learning Activity: Measure, manipulate and reflect Claudia Urrea, PhD. :: OLPC Learning Team :: XO Sensing.

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Presentation transcript:

XO – Learning Activity: Measure, manipulate and reflect Claudia Urrea, PhD. :: OLPC Learning Team :: XO Sensing

Measure, manipulate and reflect Children can study different phenomenon by designing their own instruments (Resnick, Berg et al. 2000), putting together an experiment and collecting data. They will have to think about what kind of data they need to collect (using sensors) and make sense of the data.

Measure, manipulate and reflect Learning objectives: Teach the children about sensors and its applicability in their everyday life Familiarize the children with scientific investigations when they formulate, experiment and think about their topics of interest Teach the children to use computational tools to help them in their scientific investigations Motivate children to build their own tools for the manipulation and representation of the data

Measure, manipulate and reflect Experiment with sensors: - Know about the different types of sensors and their uses - Use the computational tools (Scratch and Measure) to take simple measurements and reflect about the data Learn about the elements of scientific investigation: - Problem: What is the phenomenon I want to investigate? And What is my hypotesis? - Tools: Instruments that support my investigation (sensors, applications) - Experiment: Define the measurements, and the frequency of the scientific experiment - Measurement and data collection - Analysis of collected data with respect to the problem - Reflection and final conclusion

Measure, manipulate and reflect Next steps: - Find opportunities to develop scientific experiments with national or international pairs - Make a shower of ideas for projects - Exchange experiences of the development and results of the investigation, and new ideas for future experiments

Exercise: What is happening with my plant? Prepare: - Organize working groups to investigate the conditions in which a plant growths and determine which ones are more benefitial. - Allow the sudents to experiment with different sensors (microphone port). - Use tools such as “Measure” or Scratch to see changes and values of the sensors.

Exercise: What is happening with my plant? Design the experiment: - Each person of the group must select one of the sensors to be used in the experiment (humidity in the air, temperature, moisture of the soil and light) - Determine the time of the experiment and the frequency to record the data - Select the tool to collect the data and take measurements - Analize the results

Exercise: What is happening with my plant? Use computational tools: - Use Scratch for the representation and interpretation of the data. - You can also use Socialcalc to graphic the sensor’s data. With activities like Scratch and Measure, you can record the data in a text file that allows this exchange. - Reflect and make conclusions about the experiment.

Exercise: What is happening with my plant? Next steps: - Exchange experiences with a group of student located in different environmental conditions (internationals or locals) - Build a program in Scratch to convert the values of the sensor to real temperature values, moisture, etc. - Make comparisons and determine the conclusions

Stay connected... If you have any question or any sugestion to improve this learning activity, or if you want more information and resources about scientific explorations, please contact me. Claudia Urrea ::