Página — Uerakua Anapu Uantakua Projects And Readings 3 (pág. 44)

3. If possible, during the interviews record audio or video, if the interviewees authorize it, and ask them whether such material can be disseminated or not.

4. Complement the answers that the person interviewed gives you.Review reliable sources such as the book Colección Nanahuatzin.Saberes y pensamiento cientifico. Tercer grado; also, look in the Classroom Library, the School Library, or a public library; talk to experts on the subject at school or in the community, and you can even look for the information on the internet, if possible.

5. To gather and record the information, create a table with the questions you will ask and the answers you will obtain. In the case of the information you found by means other than the interview, use index cards.

Find and Learn

1. To investigate the properties and connections of substances, gather as a community to do the following:a) Evaluate the relevance of your questions or adjust them to find the information you require.b) Remember that an adult must accompany you when you do the interview.

c) Decide if each student will interview different people or if you will do it together.

d) Keep in mind to record audio or videos during the interview if you are allowed to do it.

e) Once you have collected the information,identify the elements or compounds that the people interviewed mentioned. Next, conduct a bibliographic search to gather the following:

For elements: symbol, atomic number, and mass;position in the periodic table; classification into metal, non-metal, or metalloid; most common physical and chemical characteristics, and common uses of the element.

For compounds: the elements they are made of;positions on the periodic table; classification of elements into metals, non-metals, or metalloids;types of bonds that hold them together; common characteristics of compounds with the selected bond and frequent uses of the compound.

f) Record the information obtained on worksheets.g)Write in your notebook the common characteristics of the most frequently used compounds, and make a list which groups those that have similar characteristics.

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