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Heteroand homogeneous mixture
- 2. Reminders • 1. Listenattentively to the teachers. • 2. Always wait for your turn to speak. • 3. Just raise your hand if you want to answer. • 4.Respect other’s answer or opinion. • 5. Cooperate within your group. • 6.Do the tasks on time.
- 3. SCIENCE TIME • Whatshall we do in our Science Time? We observe, we compare We use our eyes and we use our ears hands and nose and tongue (2X)
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- 12. Fill in theblanks. When a solid material like 1.______ is heated, it absorbed heat. The heat absorbed/ added to the materials caused the material to change its form from 2.______ to 3._______. The material also changed its 4._________, 5________,and 6._________, when heated.
- 13. When liquid materialslike 7.________ is cooled, it removed/released heat. The heat removed/released from the material caused the material to change its form from 8._______to 9. ________. The material also changed its 10._________, 11.________ and 12. .________, when cooled.
- 14. Let us checkyour answers. • 1. butter/Chocolate bar/margarine 2. solid 9. solid 3. liquid 10. size 4. size 11. shape 5. shape 12. texture 6. texture 7. butter/Chocolate bar/margarine 8. liquid
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- 16. List down allthe ingredients that you notice on the picture.
- 17. List down allthe ingredients that you notice on the picture.
- 18. •Let us nowinvestigate what happens when solids are mixed with other solid materials.
- 19. Guide Questions 1. Whichpair of materials can still be distinguished from their original state after mixing/ combining them. 2. Which pair of materials cannot be distinguish from their original state after mixing/ combining them? 3. Which mixture looked the same throughout?
- 20. 4. Which mixturedid not look the same throughout? 5.Is there a change in the property of each solid material in the mixture? 6. What happens to the solid materials when mixed with other solid materials? 7. Compare and contrast the physical state of each solid material before and after was mixed with other materials.
- 21. What are the standardsin doing the group activity?
- 22. • Participate actively. •Keep your working area clean. • Keep quiet and work on the assigned tasks. • Refrain from playing while doing the activity. • Cooperate with your group mates.
- 23. Procedures • 1. Prepareone tablespoon of each of the materials listed in the table. • 2. Using the spoon, mix/combine the pairs of solid materials (Listed in the table in the mixing bowl or any plastic container. • 3. After mixing/combining the materials, observe what happens. You may also touch/feel the resulting mixture. Record your observations on the table below by checking the proper column.
- 24. • Group 1-mix instant coffee and creamer - iodized salt and vetsins Group 2 – mix paper clips and staple wires - flour and baby powder Group 3 – mix rock salt and pepper - white sugar and iodized salt
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- 26. Group 1 Solid Materials Can you still Identify/ eachsolid material in the mixture? Did the resulting mixture look the same throughout? Can you still Identify/ each solid material in the mixture? YES NO YES NO YES NO 1. Coffee and creamer 2. Iodized salt and vetsin
- 27. Group 2 Solid Materials Can you still Identify/ eachsolid material in the mixture? Did the resulting mixture look the same throughout? Can you still Identify/ each solid material in the mixture? YES NO YES NO YES NO 1. Staple wire and paper clip 2. Flour and baby powder
- 28. Group 3 Solid Materials Can you still Identify/ eachsolid material in the mixture? Did the resulting mixture look the same throughout? Can you still Identify/ each solid material in the mixture? YES NO YES NO YES NO 1. Rock salt and pepper 2. White sugar and iodized salt
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- 30. When the solidmaterials is mixed with other solid material, each of the combined/mixed materials can be easily identified/distinguished from one another. Such mixture is called heterogeneous mixture.
- 31. • Some solidmaterials, when mixed with other solids, cannot be distinguished from each other. If the resulting mixture looked the same throughout such mixture is called homogeneous mixture.
- 32. Let us learnmore • Identify whether the following mixture is heterogeneous or homogeneous.
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- 42. Classify the mixtures. •Homogeneous Heterogeneous • Mixture Mixture
- 44. Tell what kindof mixture • 1. Pinakbet 6. Pork sisig 2. Menudo 7.Compost pit 3. Dough 8.Soil 4. Ice cream 9. Pizza 5. Lumpiang sariwa 10. Leche Plan
- 45. Assignment • Bring thefollowing materials tomorrow 1 pc teaspoon tap water cooking oil 1 teaspoon sand 1 pinch salt 1 pinch vetsin
- 46. ENRICHMENT Give 5 examplesof heterogeneous and homogeneous mixture.
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