Line 1: |
Line 1: |
| + | ===Activity Measure=== |
| + | ====Activity Summary==== |
| + | Measuring this activity helps students explore the physical world, it allows us to see |
| + | different variations of a sound (frequency, amplitude, etc..) using the microphone |
| + | XO. The student can have a visual representation of a wave as well as learn |
| + | concepts related: the frequency, amplitude, time, etc.. This activity can be |
| + | used during the course of primary education, and since the first year. |
| + | ====Affordances of the activity==== |
| + | * The student can view a graphical representation of the wave produced by sound. |
| + | * Students can record over a period of time that the wave generated. |
| + | * Students may be required to differentiate the sound of a tone. |
| + | * It can classify the sounds according to their kind. |
| + | * Students can measure the amplitude of a sound. |
| + | * Students can measure the frequency of a wave. |
| + | * The student can compare the sound with his classmates. |
| + | The activity measurement also presents a number of affordances such as measuring the |
| + | voltage of a current or observe these currents on the screen as you would with a |
| + | oscilloscope, which can be developed as required curriculum. A list of |
| + | possibilities and specifications for construction of the different probes are available at |
| + | Next: # http://wiki.laptop.org/go/Measure Projects_and_Activities_Index. Only |
| + | this resource is available in English and requires skills in |
| + | of electricity. For the use of probes and tools (thermometer, |
| + | pH indicator, indicator of the turbidity of a liquid indicator of the conductivity of a |
| + | liquid, etc..) software were designed specifically for the XO. For more |
| + | information, visit the Vernier to the following address: |
| + | http://www.vernier.com/netbooks/olpc.html |
| + | ====Degree of centrality of the activity==== |
| + | This activity in terms of curricula for the 4th year of primary education can be regarded as |
| + | device. At the central level, it could be placed at level 3. Because if it does |
| + | is really not the primary curriculum, it enables students to explore |
| + | domains other than those prescribed and develop curiosity and promote its |
| + | spirit of discovery. |
| + | ====Application pédagogique 1==== |
| + | ====''Exploration and comparison of sounds''==== |
| + | ''Level (s)'': 4th to 5th grade of primary |
| + | |
| + | ''Knowledge'': The CW |
| + | |
| + | ''Savoirfaire'': |
| + | Explore the sounds in their physical dimension. |
| + | |
| + | ''History'': |
| + | |
| + | Through the feature that allows you to record sound, the teacher and students |
| + | could save a number of sounds to form a kind of |
| + | sound database. |
| + | |
| + | Once the database set up (the sounds come from both |
| + | the everyday environment, as everywhere else) students proceed to |
| + | comparisons to determine which sounds are the highest, lowest, most |
| + | acute, the most serious differentiate waves and sound, see the frequency and |
| + | amplitude, etc.. |
| + | ====User Guide for the Measurement==== |
| + | To start this activity, click the Measure icon is in the perspective |
| + | Home XO (it is represented by a screen where we see a curve). |
| + | <image Home view> |
| + | |
| + | Once in the business, we have a number of features, so we can |
| + | amplitude control (visual) by extending or shortening. |
| + | <image > |
| + | |
| + | The microphone can record sounds is de facto running as soon as we began |
| + | on the Measure. There is an icon that lets you start recording |
| + | sound (at the top of the screen on the far right) and another that allows you to control when |
| + | recording (it can be done immediately or can be programmed in a |
| + | time interval determined). Sound option allows you to see sounds, but |
| + | also be recorded, while the option Sensors can measure the voltage of a |
| + | current, but also see it on the screen. Like all activities, |
| + | to share his business, click on the Activity tab, and then click Share with: My |
| + | neighborhood, and follow the procedure for sharing on pages 15 to 17 of Getting Started in XO and |
| + | the environment Sugar V.8.2. |
| ===Activity Scratch=== | | ===Activity Scratch=== |
| ====Activity Summary==== | | ====Activity Summary==== |