Separating Mixtures Handpicking

Separating Mixtures Handpicking

1. Separating Mixtures: Handpicking

2. Content Standards: The learners demonstrate understanding of different techniques to separate mixtures. Performance Standard: The learners should be able to separate desired materials from common and local products. Learning Competencies/Objectives: Enumerate techniques in separating mixtures such as picking, winnowing, decantation, use of magnet, sieving, filtering, and evaporation. Separate the components of common solid mixtures by picking. Write the LC code (S6MT-Id-f-2)

3. II. CONTENT: Separating Mixtures: Handpicking III. LEARNING RESOURCES: Reference 1. Teacher’s Guide GRADE 6 SCIENCE ACTIVITIES page 56 2. Learner’s Materials pages 3. Textbook Pages: The New Science Links Worktext in Science and Technology page 92 4. Additional Materials from Learning Resources (LR) portal BEAM 4. 5 Explain what happens after Mixing Materials. Learning Guides. Mix it Up. July 2009. pp. 5-7. EASE Science II. Chemistry Module 4. Lesson 2. Chemistry III Textbook. Mapa , Amelia P., Ph.D., et al. 2001. pp. 42-45. Science and Technology I: Integrated Science Textbook. NISMED. 2012. pp. 57-58 . B. Other Learning Resources ekshika . Ekshika:India . n.d. http://www.ekshiksha.org.in/eContent-Show.do ? documentId =77 (accessed May5 2007) Multimedia Presentation, Pictures, and Materials for the Activ ity

4. I will show pictures of different mixtures. As I show the picture describe the mixture and tell what kind of mixture is it.

5. I have words to flash, read the words as I flash the cards and say something about it.

6. mixtures techniques separating mixtures

7. through picking solid beans corn

8. stones marbles palay grains

9. Let’s have a short review first on mixtures.

10. So, mixtures contain two or more substances combined together. Look at the picture what does it have? How can we separate beans from its kind?

11. How about stones?

12. How about mixed cereals, how can we separate them?

13. Mixtures are combinations of two or more substances not chemically bonded where each substance retains its chemical entity and properties. In everyday life, we use a number of mixtures and one need to separate useful components from the mixture.

14. There are various methods of separating mixtures that are commonly found in the surroundings. Thus, the separation of substances is performed by various methods like hand-picking.

15. Handpicking is a convenient method of separating substances, when the quantity of impurities is usually not very large. This method of handpicking can be used for separating slightly larger sized impurities like the pieces of stone from dirt, husk from wheat, and pulp from coffee beans. Separation is done to remove impurities and to get a useful product.

16. Examples of mixtures that can be separated through picking: grains and mongo seeds nails and pins sliced fruits rice grains and tiny pebbles

17. How will you separate the individual components of the mixtures you brought today for our activity?

18. Materials for tomorrows activity Plate/ flat container Flour Rise husks Rice grains Small pebbles Saw dust

19. Let’s do the “Mix and Pick” Activity. You will need the following materials . 5 clear plastic/glass containers 15 small saucers/small plate 5 timers 40 pcs assorted leaves 1 pc mixing bowl 30 pcs. peanuts 30 pcs. corn kernels 50 pcs. mongo seeds 15 pcs 10 cents 15 pcs 25 cents 15 pcs 1.00 coins

20. PROCEDURES: 1. Using some hints given by the teacher, guess the materials hidden in a box. 2. In your group, select one member to be the time keeper. 3. Mix the provided materials in your plastic/glass container and describe the appearance of the mixture.

21. 4. On the cue of the teacher, you will try to separate the individual component of the mixtures. The group who finished first, wins. 5. Repeat the activity above using a second set of objects. Choose another member to be the time keeper. Record your data on the table.

22. TRIALS MATERIALS/ COMPONENTS APPEARANCE TIME TAKEN IN SEPARATING 1 1 2 3 2 1 2 3 3 1 2 3 HANDPICKING!

23. Guide Questions: 1. Describe the mixtures. 2. How were you able to separate the individual component of the mixtures? 3. Do you need any materials to separate the components of the mixture? Why? 4. Which mixture did you find easy to separate? Difficult? Why?

24. You present your output on the activity. I will give feedback about the result.

25. Draw a smiley face beside the mixtures that can be separated through picking. 1. water and alcohol 2. sliced mixed fruits 3. mixed nuts 4. nails and iron strips 5. stones and pebbles

26. Physical manipulation like handpicking is a technique used in separating the solid components of a heterogeneous mixture. The components of the mixture should be big enough to seen and picked by hands or forceps.

27. When you separate seeds and sand from milled rice you use your bare hands. You separated the components through physical manipulation.

28. What other kinds of mixtures you use that can be separated by handpicking?

29. What have you learn about the activity. Can you name other mixture that could be separated through handpicking?

30. Describe how the following mixtures can be separated, through picking or not. __ 1. nails and stones __ 2. lemon juice __ 3. chocolates and marshmallows __ 4. pepper seeds and mongo seeds __ 5. corn and palay grains

31. Draw at least three (3) pictures of mixtures that can be separated through picking