SCIENCE 7_SOLUTIONS based on Philippine Curriculum

Science 7 Solutions ppt discussion

1. Here is where your presentation begins SOLUTIONS 7TH GRADE

2. Learning targets I can define solutions. I can identify forms of solutions. I can identify components of solutions.

3. HOMO OR HETERO? HETERO HOMO HETERO

4. HETERO HETERO HOMO

5. It is a mixture of a solvent and a solute. What is a solution? A solution is a mixture of two or more substances.

6. FORMS OF SOLUTION AQUEOUS SOLUTION NON-AQUEOUS SOLUTION

7. When a solute is dissolved in water, the solution is called an aqueous solution. AQUEOUS SOLUTION

8. When a solute is dissolved in a solvent other than water, it is called a non-aqueous solution.  NON-AQUEOUS SOLUTION

9. COMPONENTS OF SOLUTIONS What is the difference between a solute and a solvent?

10. SOLVENT A solvent is a substance that dissolves another substance, also known as the dissolving agent. It dissolves the solute.

11. What is the universal solvent?

12. UNIVERSAL SOLVENT Water can dissolve solutes more than any other liquid, so it is called the universal solvent.

13. SOLUTE A solute is a substance dissolved in another substance. It is dissolved in a solvent.

14. SOLUTES

15. Two types of solute SOLUBLE INSOLUBLE water-loving solute (can be dissolved in water) water-fearing solute (cannot be dissolved in water)

16. examples SOLUBLE INSOLUBLE sugar, salt, coffee, milk, powder sand, paper, oil, rubber, wood

17. Types of solutions TYPE SOLUTE SOLVENT EXAMPLE SOLID GAS SOLID Hydrogen in palladium LIQUID SOLID Liquid Mercury in solid sodium SOLID SOLID Bronze (tin in copper)

18. Types of solutions TYPE SOLUTE SOLVENT EXAMPLE SOLID GAS SOLID Hydrogen in palladium LIQUID SOLID Liquid Mercury in solid sodium SOLID SOLID Bronze (tin in copper)

19. Many solids are solid solutions. Solid solutions are often called alloys , like in brass (copper and zinc).

20. Types of solutions TYPE SOLUTE SOLVENT EXAMPLE LIQUID GAS LIQUID Hydrochloric acid(HCL gas in water) LIQUID LIQUID Wine (ethyl alcohol in water) SOLID LIQUID Sodium hydroxide pellets in water

21. Types of solutions TYPE SOLUTE SOLVENT EXAMPLE GAS GAS GAS Air (oxygen and CO 2 in nitrogen LIQUID GAS Moisture-laden air SOLID GAS Naphthalene sublimed in air

22. Here is where your presentation begins SOLUBILITY 7TH GRADE

23. Learning targets I can define solubility. I can enumerate and explain factors affecting solubility. I can explain factors that affect dissolution.

24. Preliminary activity: Solvent vs. Solute Instructions: Identify the solute and the solvent in the ff: Taku mixed some water and juice crystals to make a fruit drink. The solute is juice crystals b. The solvent is water

25. 2. Kim swished salt water in her mouth after she lost her tooth in a soccer game. a. The solute is salt b. The solvent is water

26. 3. Rosanna put rubbing alcohol on the grass stain that was on her sock. a. The solute is grass stain b. The solvent is rubbing alcohol

27. 4. Justin added a little sugar to his tea because it tasted bitter. a. The solute is sugar b. The solvent is tea

28. 5. The tea from Mei's tea bag colored the water as it brewed. a. The solute is tea b. The solvent is water

29. WHAT IS SOLUBILITY? Solubility is defined as the maximum amount of solute that dissolves in a given amount of solvent at a given temperature.

30. Describing Solubility Very soluble Moderately soluble Slightly soluble Insoluble

31. IT HAS TWO TYPES: - liquids capable of mixing and forming a solution -do not mix to form a solution or insoluble IMMISCIBLE MISCIBLE

32. EXAMPLES MISCIBLE IMMISCIBLE ETHYL ALCOHOL AND WATER OIL AND WATER

33. WHAT ARE THE FACTORS AFFECTING SOLUBILITY? Nature of Solute and Solvent Effect of Temperature Effect of Pressure

34. Nature of Solute and Solvent Different materials exhibits different solubilities. “LIKE DISSOLVES LIKE”

35. POLAR SUBSTANCES Water Ammonia Ethyl

36. NONPOLAR SUBSTANCES

37. Effect of Temperature Hot Coffee Iced Coffee

38. Effect of Temperature Solubility Temperature SOLID SOLUTES Solubility increases when temperature is increased.

39. Effect of Temperature Solubility Temperature GAS SOLUTES Solubility decreases when temperature increases.

40. Example: Gas escapes from the soft drinks

41. Effect of Pressure Small changes in pressure have little effect on the solubility of solids in liquids or of liquids in liquids but have a marked effect on the solubility of gases in liquids.

42. Effect of Pressure Solubility Pressure GAS SOLUTES Solubility increases when pressure is increased.

43. What are factors that affect the rate of solution?

44. Factors That Affect The Rate Of Solution The rate of solution is a measure of how fast a substance dissolves. Small particles dissolve more readily than larger ones. 1. Size of the particles

45. 1. Size of the particles

46. Factors That Affect The Rate Of Solution With liquid and solid solutes, stirring allows the solute to dissolve faster. 2. Agitation or stirring

47. Factors That Affect The Rate Of Solution Increasing temperature speeds up dissolution. 3. Increase in temperature

48. Factors That Affect The Rate Of Solution -the rate decreases as the concentration of the solution increases 4. Concentration of the Solution

49. Wine (ethyl alcohol in water)

50. Bronze (tin in copper)

51. HCL gas in water

52. Sodium hydroxide pellets in water

53. Naphthalene sublimed in air

54. Moisture-laden air

55. Hydrogen in palladium

56. Air (oxygen and CO 2 in nitrogen

57. Liquid Mercury in solid sodium

58. years old I AM THIS IS ME! MY BIRTHDAY IS ON FAVORITE FOOD FAVORITE COLOR

59. MY NAME IS FAVORITE COLOR THIS IS ME! Favorite toy WHAT I LIKE TO DO I AM YEARS OLD FAVORITE FOOD

60. ALL ABOUT THIS IS ME! MY EYES ARE MY HAIR IS MY FAVORITE COLOR IS MY COLORS THINGS THAT I LOVE

61. MY NAME IS BOY GIRL I AM A MY FAVORITE PET MY FAVORITE TOY THIS IS ME!

62. ALL ABOUT THIS IS ME! MY HANDPRINT

63. ALL ABOUT THIS IS ME! MY HANDPRINT

64. MY NAME IS: I AM YEARS OLD MY FAVORITE COLOR IS: THIS IS MY FAMILY

65. ALL ABOUT ME HEAD SHOULDER HAND EYES EARS MOUTH

66. ALL ABOUT ME HAIR NOSE NECK FINGERS LEG ARM

67. ALL ABOUT I AM YEARS OLD THIS IS ME! MY FAVORITE BOOK THIS tall I AM

68. MY NAME IS MY FAVORITE FOOD I LIVE WITH MY SURNAME IS I AM TALL MY BEST FRIEND IS MY FAVORITE COLOR IS MY FAVORITE BOOK IS

69. MY NAME IS THIS IS ME! MY FAVORITE COLOR IN THE FUTURE I WANT TO BE I AM YEARS OLD I BORN IN

70. ALL ABOUT ME MY FAVORITE BOOK MY FAVORITE FRUIT MY FAVORITE COLOR TODAY I FEEL HAPPY SAD MY NAME IS

71. MY NAME IS I AM TALL YEARS OLD SHOE SIZE I AM MY BIRTHDAY IS ON MY FRIENDS

72. ALL ABOUT ME I AM MY BIRTHDAY IS ON YEARS OLD THIS IS ME! I AM A THERE ARE PEOPLE IN MY FAMILY

73. ALL ABOUT ME I AM YEARS OLD MY BIRTHDAY IS ON MY Favorite fruit MY FRIENDS FAVORITE COLOR MY NAME IS

74. HI THERE! MY NAME IS MY SURNAME IS I LIVE IN MY FAVORITE SPORT things that i love WHEN I GROW UP... I AM A

75. ALL ABOUT ME COLOR TOY SPORT THIS IS ME! I LIVE WITH I AM YEARS OLD MY FAVORITES

76. ALL ABOUT ME MY NAME I AM YEARS OLD MY FAMILY MY FINGERPRINT

77. MY NAME IS I AM YEARS OLD MY BIRTHDAY IS ON THIS IS ME! MY FAVORITE COLOR FRUIT TOY

78. ALL ABOUT ME MY EYES ARE MY HAIR IS I AM YEARS OLD I HAVE BROTHERS I HAVE SISTERS MY SHOES ARE MY FAVORITE THINGS MY NAME IS

79. ALL ABOUT ME THIS IS ME! I AM YEARS OLD WHEN I GROW UP MY NAME IS

80. ALL ABOUT ME MY NAME IS I AM YEARS OLD THIS IS ME! ALL MY FAVORITES MY BIRTHDAY IS ON COLOR TOY PET

81. ALL ABOUT ME MY FAVORITE FOOD I AM YEARS OLD MY BIRTHDAY IS ON I AM TALL THINGS THAT I LOVE

82. ALL ABOUT ME Years old I AM SELF-PORTRAIT MY BIRTHDAY IS ON MY FAVORITE COLOR MY NAME MY FAVORITE TOY MY FAVORITE PLACE

83. ALL ABOUT ME MY FAMILY MY NAME SELF-PORTRAIT I AM YEARS OLD I AM FROM I AM TALL

84. ALL ABOUT ME MY HANDPRINT I AM YEARS OLD MY BIRTHDAY IS ON I AM FROM I LOVE

85. ALL ABOUT ME I AM FROM I AM MY NAME IS TALL MY FAVORITE FOOD MY BIRTHDAY IS ON I LOVE THIS IS ME! I AM YEARS OLD

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