Solid to Solid Mixture.pptx

science 4 quarter 1

1. Solid to Solid Mixture

2. Directions: Put a check mark (/) if the material undergoes sublimation and a cross mark (x) if deposition. ___1. Frost in windshield of a car ___2. Snow melting on a warm winter ___3. Formation of frost on windows ___4. Shrinking ice in a freezer ___5. Dry ice in a can

3. Riddle: What am I? Directions: Read the riddle. Guess what phase change is described in each item. 1. Water in a kettle change to water vapor when heated. What phase change am I? evaporation

4. Riddle: What am I? Directions: Read the riddle. Guess what phase change is described in each item. 2. Margarine in a hot pan turns into a liquid. What phase change am I? melting

5. Riddle: What am I? Directions: Read the riddle. Guess what phase change is described in each item. 3. Water droplets on the leaves early in the morning. What phase change am I? condensation

6. Riddle: What am I? Directions: Read the riddle. Guess what phase change is described in each item. 4. Frost on the car in a cold winter. What phase change am I? deposition

7. Riddle: What am I? Directions: Read the riddle. Guess what phase change is described in each item. 5. Dry ice in a bowl turns into water vapor. What phase change am I? sublimation

8. Riddle: What am I? Directions: Read the riddle. Guess what phase change is described in each item. 6. Pineapple juice becomes solid when cooled in the freezer. freezing

9. Using the KWL chart, ask the pupils about what they know about mixture, what they want to know about it and answer the last column after the discussions about what they have learned about the lesson. KWL CHART KNOW WANT LEARN                  

10. GROUP ACTIVITY a. Group the class into three (3). b. Distribute the activity sheets. c. Recall the standards in doing an activity. d. Proceed to activity area. After the experiment, present your output.

11. DISCUSSIONS  Which pair of materials can be distinguished/identified after mixing/combining them?  How about the pair of materials that cannot be distinguished/identified after mixing them?  Which mixture looked the same throughout?

12.  Is there a change in the property of the solid materials in the mixture?  What happens to the solid materials when mixed with other solid materials?  Can you describe the physical state of each solid material before you mix with other solid?

13. Directions: Read the situation and write your answer in the table below. Situation: Your mother asks you the food that she will cook for your birthday party. What are these foods? Give three examples. What are the solid materials combined in these foods? What changes happen when a solid material is mixed with other solid material?

14. List of Foods What solid materials are combined? What changes happened to each mixture? Can you still identify or cannot identify? 1.     2.     3.    

15. A. Directions: From the materials below, choose five (5) pairs of solid materials that can be distinguished and five (5) pairs of solid materials that cannot be distinguished. Write your answer in the proper column. gravel

16. Your parents hired a mason to put a concrete fence in front of your house. You see that he combines the gravel and sand but still you can identify them. What is the reason why you can still identify the materials even if he mixes them?

17. You and your sister bake a cake for your mom’s birthday. You mix the flour and baking soda. You notice that they mix completely and you cannot identify the materials you combine. What is the reason why you can no longer identify each material?

18. What changes happened to solid materials when mixed with other solid materials? • A mixture is formed when two or more materials are combined. • Some solid materials can be easily distinguished when mixed with other solid materials. • While some solid materials cannot be distinguished from each other. The properties of each solid material like their size, shape and color do not change after mixing.

19. Directions: Look at the pictures. Identify the changes in the properties of the solid materials when combined/mixed. 1. and

20. Directions: Look at the pictures. Identify the changes in the properties of the solid materials when combined/mixed. 2. and

21. Directions: Look at the pictures. Identify the changes in the properties of the solid materials when combined/mixed. 3. and

22. Directions: Look at the pictures. Identify the changes in the properties of the solid materials when combined/mixed. 4. and

23. Directions: Look at the pictures. Identify the changes in the properties of the solid materials when combined/mixed. 5. and

24. Go to your kitchen. With the guidance of your parents or elder brother/ sister, gather three (3) examples of solid and combine each object one at a time to form a mixtures. Describe the changes happened to each mixture.

25. Bring the following materials tomorrow: 1 pc. Teaspoon, ginger, 4 pcs. Clear drinking glass, vinegar, cooking oil, rubbing alcohol, 1 teaspoon of sand and flour, 1 pinch of salt, pepper, vetsin , food color, malunggay leaves