Grade 5 Science Quarter 1 Week 1 DAY 1-5

Use of the properties of materials whether they are useful or harmful

1. Science 5-Week 1 Use the properties of materials whether they are useful or harmful S5MT-Ia-b-1

2. Useful and Harmful Materials

3. Let’s Recall!

4. Give and name different materials at home with the following characteristics. Hard Soft Smooth Rough Shiny Dull

5. Let’s Try!

6. Observe how the materials in the pictures are being handled. Identify and tell whether they are useful or harmful.

7. vegetable peelings made into compost

8. 2. Broken window glass

9. 3. Making plastic bottle pot

10. 4. an empty bottle being refilled

11. 5. Burning of plastic

12. Let’s Study!

13. Questions How do the materials become useful? How do the materials become harmful? Give examples

14. How do the materials become useful ? Materials are said to be useful when they serve their purpose and good for the environment. These may have properties such as durability, flexibility, elasticity, hardness, and resistance to water, heat, or acid. Most of the useful materials can be reused and recycled.

15. Examples of Useful Materials

16. How do the materials become harmful? Materials are said to be harmful when they cause harm and hazardous in our environment.For example, a broken glass window can cause cuts or injury. 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 and environment when not used properly

17. Examples of Harmful Materials

18. Let’s Apply!

19. Draw a happy face if the material is useful and sad face if it is not

20. 1 . candy wrappers made into wallet 2. a broken glass thrown in the garden 3. disinfectant bottles thrown everywhere 4. a box made into a bookshelf 5. leftover food from restaurants turned into fertilizers

21. Let’s Do!

22. Give and draw 5 useful materials and 5 harmful materials found at home.

23. Let’s Answer!

24. Read the following questions. Choose the letter of the correct answer. When is a material useful? a. When the material serves a purpose b. When the material brings hazards. c. When the material brings harm. d. When the material is toxic.

25. 2. When is a material harmful? a. When the material can be used many times. b.When the material gives other uses aside from its purpose. c. When the material can be used in cooking. d. When the material brings danger to people and environment.

26. 3. Which of the following is useful materials? Lantern made of plastic cup Insecticides Chemical fertilizer Burning of plastic

27. 4 . Among the 4 options, which is considered useful? A. B, C. D.

28. 5. Where do we place our garbage properly? A. in the river B. in the mountains C. in the landfills D. in the lakes

29. Directions: Determine which of the activities below is desirable or harmful. Write D if desirable or H if harmful. 1. Placing the biodegradable wastes in the compost pit 2. Smelling the fumes exhausted by cars 3. Using broken glass to cut paper 4. Covering the textbook with acetate 5. Burning plastic bottles

30. Thank you for listening!

31. DAY 2

32. When do we say that a material is useful? Harmful?

33. Directions: Classify the following materials usually found at home and in school using the table below as a guide.

34. Watch the video. List down important details about the topic.

35. Group pupils into 4. Give each group a material or a picture of material used at home and in school then describe how can the material be useful and harmful. Group 1- Empty can used as pen holder Group 2- Lysol Bottle spray thrown everywhere Group 3- Fruit peelings thrown in compost pit Group 4- Used batteries scattered on the floor

36. Directions: Classify whether the materials below are useful or harmful. Put a check mark (/) on the appropriate column. Afterward, answer the follow-up questions.

37. Answer the following: 1. What are the useful materials in the activity? 2. How do empty bottles, fruit peelings, old newspaper become useful? How do they become harmful? 3. How can you maximize the use of useful materials that you have identified? 4. How can you minimize the hazard of harmful materials?

38. Many materials and substances are _________ at home and in school, but they can be ____________ if not used properly. Materials are considered useful when they serve the ______________. Some useful materials can be __________, for example an empty container can be used as a house decor. But some materials can be _________ like a broken glass jar that can cause cuts or injury. Directions: Complete the paragraph using the words in the box.

39. You found empty plastic and glass bottles at home. How will you handle these materials to make them useful? When can we say that a material is useful and harmful?

40. Directions: List 5 different materials used at home and in school. Write a sentence describing how can the material be useful or harmful.

41. Directions: Copy and fill in the table. Enumerate some useful and harmful materials that you can find at home or in school. If useful, give examples on how you can use it. If harmful, explain how you can dispose of the material properly.

42. Day 3 Importance of Product Labels in Identifying Useful and Harmful Materials

43. Identify the following whether the material is useful or harmful. Write U for useful, or H for harmful. 1. drained batteries 2. old newspapers 3. fruit peelings 4. shattered glass 5. expired medicine

44. Directions: Classify each household product according to its use. Write P, for personal care, F for food product, M for medicine, C for cleaning product and PE for pesticides. 1. bleach 2. canned goods 3. face powder 4. paracetamol 5. shampoo 6. insecticide spray 7. toothpaste 8. bread 9. cough syrup 10. dishwashing liquid

45. What does the product label say?

46. Play YES and No. Clap and say YES if the answer in the question is true and stomp the feet and say NO if the answer is false. 1. Consumers must read product labels when buying grocery items. 2. Place fertilizers in containers and label them as poisonous. 3. Throw away plastic bottles after using them. 4. Labels are not important in classifying materials as to useful or harmful 5. Food allergen warnings are helpful for those who have allergies

47. Why do you think product label is important? The following are common signs in product labels which can help consumers decide whether the product is useful or harmful:

48. Group pupils into 4. Group 1- Analyze it The teacher will provide products for the group to examine/analyze. List down the name of the product, its label and meaning Group 2- Draw it Draw 5 products and tell whether if it’s useful or harmful. Identify also its product label Group 3- Act it Present a short skit/dialogue showing a scene on the careful reading and using of a product with harmful effect. Group 4- Act it Present a short skit/dialogue showing a scene on ignoring product labels that caused harm to the family.

49. What do you think will happen to us if we will not read product labels? What harm can it bring to us? How do you classify the materials at home? What is your basis in grouping the different materials? Are product labels important? Why?

50. Directions: Analyze 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 a food allergen warning. Some of these contain peanuts. What will you do? A. I will still give him the chocolates and ignore the effects. B. I will choose the ones 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.

51. 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.

52. 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

53. 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

54. Directions: Visit your kitchen and list down 5 household materials. Read each product labels and classify the materials as useful or harmful using the table below. The first one is done for you

55. Day 4

56. Tell the meaning of the following symbol:

57. Tell the meaning of the following symbol:

58. Tell the meaning of the following symbol:

59. Tell the meaning of the following symbol:

60. Tell the meaning of the following symbol:

61. Study the picture and identify what label is shown.

62. What important information/reminders stated in the ad?

63. Study the picture and identify what label is shown.

64. G ather with your group mates and list 1 material /product used on the following : food preparation, cosmetics 3. for animals and plants 4. construction s 5. household product Then, on a clean sheet, draw the symbol that can be seen on your listed products/materials. Explain its meaning.

65. Identify whether the household material is useful or harmful, then determine the product label that would help you identify its category.

66. You saw your younger sister holding a Baygon Katol not knowing the danger it may cause. How will you react? What will you do after? Give the different common signs/symbols in product labels.

67. Write a checkmark ( ✓ ) if the material is useful and write a cross mark (X) if it is harmful.   Used empty bottles made into a pen holder. 2. Fruit and vegetable peelings converted into fertilizers 3. Expired medicine stored in the kitchen cabinet. 4. Old newspapers used to pack things in the store 5. Scattered broken glass found inside the bedroom.

68. Study the pictures below and match the common product labels to its corresponding product. Products 1. Plastic bottles 2. Muriatic Acid 3. Commercial Fertilizer 4. Alcohol 5. Food products

69. Day 5 Biodegradability

70. Write yes if the following is the useful effect of chemical reaction in materials and x if not. Coffee and water Milk and vinegar Bleach and ammonia Water and salt Burning paper

71. Can we use again the following materials? Yes/ No Why?   Dried leaves Biscuits plastic Fruit peelings Chocolate drink pack Soft drinks plastic bottle

72. What happen to dead animals and dried leaves after a week?   Is this helpful in our environment?   Why?   Give examples of materials decayed in soil.

73. Watch a short video (Biodegradability Test) Write down your observation What is biodegradability?

74. Values Education Integration How biodegradability will be helpful in our environment? What can you do to show your love and care to our environment?

75. Give examples and draw biodegradable materials found in school.

76. Write / if the materials can undergo biodegradability and x if not. Plastic Wood Vegetables Paper Metal

77. 1. Which one of the following is a biodegradable waste? (a) Plastic (b) Polythene (c) Paper (d) Glass   2. Hospital waste is usually: (a) recycled (b) incinerated (c) composted (d) dumped in landfills

78.   3. ……………… is a non-biodegradable waste. (a) Plastic (b) Vegetable waiter (c) Animal dung (d) Paper   4. Which of the following should not be thrown into vermicomposting pit? (a) Sea-shells (b) Powdered egg shells (c) Glass (d) Vegetable peels

79.    5. The three R’s used in connection with reducing waste are: (a) reduce, reuse, recycle (b) reduce, reserve, recycle (c) reduce, resell, redeem (d) revise, resell, reuse

80. Do your own biodegradability test at home. Pot 1 Candy wrapper Pot 2 Paper Pot 3 Fruit peeling   Leave it for 2 weeks. Water them every day. Record your observation beforehand and after. Pot Before After 1     2     3