W2-SCIENCE.pptx useful harmful materials

useful harmful materials
useful harmful materials
useful harmful materials
useful harmful materials
useful harmful materials

1. Week 2-Day 1

2. Look around you and list down 5 materials and classify whether it is useful or harmful.

3. Why do we need to know which materials are useful and harmful?

4. Do you consider the picture as useful material? Now, look at the picture. Why?

5. When do we consider a material is useful? Materials are considered useful when it serves a purpose. For example: Are those materials being presented useful to you? Why?

6. In your Mathematics Class, are you using rulers or any measuring materials? Is it useful or harmful? Why?

7. Example: Water is essential to human, animals and plants. Why?

8. When do we consider a material is Harmful ? For example: Batteries can provide energy to different equipment but it is harmful because of its content.

9. Group 1. Classify the different materials as useful or harmful. Paste it inside the heart shape if useful and triangle shape if harmful. Group 2. Determine which of the activities below is desirable or harmful. Write D. if Desirable and H if Harmful. Group 3. Identify the following materials whether they are useful or harmful. Write U for useful, or H for Harmful. Group Activity:

10. Group Work Presentation

11. Write U is the material is useful and H if it is harmful.

12. We must be aware if a material is useful and harmful. For example: During Arts lesson, we are using scissors in doing activities, be mindful in using this material because it can cause cuts or injury.

13.  How can we determine if a material is Harmful? How can we determine if a material is Useful?

14. Directions: Identify whether they are useful or harmful by putting a check mark (✓) on the appropriate column.

15. Week 2-Day 2

16. Identify the following materials if it is useful or harmful. Based on the given images, how did you classify them as useful or harmful?

17. Observe the pictures below. There are different Materials found at home and at school. The following materials are important because they are used in our daily activities.

18. It is important to identify whether a certain material is harmful or useful. For Example: A broken glass jar can cause cuts or injury.  

19. Some materials are toxic. Toxic substances may also be present in the things you commonly use such as paints, cleaners, fumes, gels, or powders.   These materials may bring harm to your health, environment, and other organisms when not used properly. That’s why you should be careful when handling and using different materials.

20. The following are common signs in product labels which can help consumers decide whether the product is useful or harmful.

21. Reading product labels can help you identify whether the product is useful or harmful. These simple symbols in labels give ideas on how to use and store the product properly, and to help prevent accidents from happening and therefore save lives.

22. Identify the following materials whether they are useful or harmful. Write U for useful, or H for Harmful.  

23. Observe the picture below. Can you see the sign or symbol in the product label? What is the given symbol? Is it harmful or not? Why?

24. Various household products are found in our homes. These are composed of different materials with different properties. It is therefore important for consumers to read product labels. Through product labels, consumers become aware of whether the product is harmful or not.

25. Read each situation below and choose the best answer. Write the letter only. 1. Your aunt gave you chocolates as birthday presents. You were very excited to share it with your younger brother who loves chocolates, but when you read the label, you noticed that some have food allergen warning. Some of these contain peanuts, which can cause allergy to your brother. What will you do? A. I will still give him the chocolates and ignore the effects. B. I will choose the one without peanuts and give it to him. C. He will not be given any chocolate because he has an allergy. D. I will go to the grocery store and buy candies for my brother.

26. 2. Father came home from work. Upon entering the gate, he disinfects his hands by using 70% alcohol. However, Mother was carrying a lighted candle and about to approach Father. What is the best thing to do? A. Mother may bring a kerosene lamp instead of a candle. B. Let her continue to approach Father with a lighted candle. C. Tell Mother to put out the flame before going to the gate. D. Bring more bottles of alcohol for Father.

27. 3. Your best friend bought a cough syrup from the pharmacy. You noticed that the medicine is expired already. What are you going to say to her? A. Continue to take medicine. B. Do not take the cough syrup. C. Mix it with new medicine. D. Scold the pharmacist for giving expired medicine. 4. Mang Lito is a farmer. He used commercial pesticides in controlling pests in his rice field. Where can he store this poisonous product? A. at the kitchen sink B. on top of the dining table C. in a closed and secured cabinet D. under the table

28. 5. Your Muslim friend visited your home. After some time, you decided to prepare food for lunch. What food products are you going to serve? A. meat products B. any available food C. Halal certified food D. dairy products

29. Week 2-Day 3

30. Observe the objects in the picture. Are those materials are dangerous/toxic/flammable? What can you say about the objects?  

31. Materials are said to be useful when they serve their purpose. Most of materials can be reused and recycle but some may also bring hazards to human and other living things. We must consider the other common symbols to determine if a material is useful or harmful.

32. The following are the other common signs in product labels which can help consumers decide whether the product is useful or harmful. These simple symbols in labels give ideas on how to use and store the product properly, and to help prevent accidents from happening and therefore save lives.

33. Directions: Study the pictures below and match the common product labels to its corresponding product.

34. How could you figure out if a material is useful or harmful?

35. It is important to read the label of product in order for the costumer to be aware of whether useful or harmful. Why is it important to read the product label? For example:

36. Directions: Write True if the statement is correct, and write False if it is incorrect. 1. Consumers must read product labels when buying grocery items. 2. Place fertilizers in containers and label them as poisonous. 3. Throw away anywhere the plastic bottles after using them. 4. Labels are not important in classifying materials as to useful or harmful. 5. Food allergen warnings are helpful especially for those who have allergies.

37. Week 2-Day 4

38. Thumbs Up Thumbs Down

39. If you saw a product label like the picture, what is the meaning of it? (It is poisonous or toxic and harmful to human body)

40. Look at the following images. Waste How do you manage your waste at home?

41. Waste The waste humans create while enjoying outdoor/indoor spaces can have severe impacts if not disposed properly. It is crucial to anticipate the types of waste you will need to dispose of and know the proper techniques for disposing of each type of waste in the area you are visiting. Leave No Trace encourages outdoor/indoor enthusiasts to consider the impacts they leave behind, which will undoubtedly affect other people, water, and wildlife.

42. It is easy to segregate waste at your home. You can use color-coded bins like green, blue, and yellow for waste segregation and identification. Segregate organic and biodegradable waste, such as food waste and garden waste, in green. *Waste Segregation The organic waste can be used for composting. Furthermore, you can use yellow for glass & paper and blue for plastic and non-biodegradable waste. *Practicing the 5Rs Technique

43. *Practicing the 5Rs Technique

44. Draw a happy face if it is useful and sad face if harmful.

45. In our daily activities, we must know how to determine if a material is hazardous or not. Always follow the instruction of the product before using it.

46. How are we going to dispose the used material so that it will not be harmful?

47. Week 2-Day 5

48. Weekly Assessment

49. SUMMATIVE TEST NO.1 Identify the following materials whether they are useful or harmful. Write U for useful, or H for Harmful. Drained batteries Old newspapers Fruit peelings Shaterred glass Expired medicine  

50. Identify the product labels which can help consumers decide whether the product is useful or harmful. FLAMMABLE CORROSIVE 3R’S SIGN HALAL FOOD TOXIC

51. Identify the product labels which can help consumers decide whether the product is useful or harmful. FLAMMABLE CORROSIVE 3R’S SIGN HALAL FOOD TOXIC

52. PERFORMANCE TASK: Using old magazines, cut and paste pictures of useful and harmful materials that are found in the kitchen, comfort room, stock room, and bedroom. Label each picture. Put it in a bond paper. Deadline: Monday, Aug.12, 2024