Recognizing Useful and Harmful Materials Day 1.pptx

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1. Science

2. Recognizing Useful and Harmful Materials

3. Get Three items from your bag and three more items inside the classroom.

4. Identify each item and describe it.

5. Now, answer the following questions. 1. What is the object made of? 2. Are these materials safe or harmful? Why?

6. Showing of pictures

7. 1. Can you describe the materials shown? 2. What are the similarities and differences of materials given?

8. Bring out the following materials: Manila paper Pentel Pen

9. Activity Time

10. Look around outside of the classroom, then list down at least 20 materials you have seen.

11. After that, classify their list as useful or harmful materials. Useful Materials Harmful Materials

12. Answer the following questions . 1 . How did you classify the materials? 2. Why do we need to know which material are useful and harmful? 3. Open your books to page 4 and read about Recognizing Useful and Harmful materials.

13. Answer the following questions . 1 . Aside from the material given in the text, what other materials in your home can you consider harmful? Why do you consider them as harmful materials? 2. How do you properly dispose of the materials you have listed above?

14. Answer the following questions . 1 . Aside from the material given in the text, what other materials in your home can you consider harmful? Why do you consider them as harmful materials? 2. How do you properly dispose of the materials you have listed above?

15. Write down the differences between useful and harmful materials in tabular form. Useful Materials Harmful Materials

16. Answer key:

17. Open your book to page 7 and answer the Lets Check and Lets Apply It.