Página — Uerakua Anapu Uantakua Projects And Readings 3° Secundaria (pág. 157)

INQUIRY DESIGN AND DEVELOPMENT That's the Question!

The daily habits and routines of human beings affect their health and the environment due to the chemical nature of substances and the reactions they produce. To understand the above, the following assumptions may lead you to one or several conclusions.

Hypothesis 2. If food contains substances that react in the organism of living beings, products obtained from the reaction are essential to the survival of living beings.

Hypothesis 3. If the product of chemical reactions in human beings everyday processes modifies environmental conditions, reducing those processes can reduce environmental changes.

1. In communities, discuss the proposed hypotheses.

2. Write your ideas and hypotheses about chemical reactions in your notebook.

3. Explain the importance of knowing substances and chemical reactions to understand environmental changes.

4. Suggest activities to prove your hypotheses.

5. Look for information about chemical reactions in reliable sources.

6. Organize the information you prepare because you will use it to make posters and share them in your community.

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Hypothesis 1. If substances interact with others, their characteristics change.


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