Physical Boot Camp

1. Physical Boot Camp 5.5D Identify changes that can occur in the physical properties of the ingredients of solutions such as dissolving salt in water or adding lemon juice to water.

2. STAAR 2013 #40; RC1; Supporting1. A worker built a sidewalk and pressed some large salt particles into the concrete while it was still wet. When the concrete was dry, the worker washed the sidewalk with the water. The picture below shoes the sidewalk after it was washed:What most likely happened to the salt?F. It evaporated into a gasG. It turned into concreteH. It dissolved in the waterJ. It turned into a solid

3. STAAR 2013 #40; RC1; Supporting1. A worker built a sidewalk and pressed some large salt particles into the concrete while it was still wet. When the concrete was dry, the worker washed the sidewalk with the water. The picture below shoes the sidewalk after it was washed:What most likely happened to the salt?F. It evaporated into a gasG. It turned into concreteH. It dissolved in the waterJ. It turned into a solid

4. 2004 TAKS Information Booklet, #10 2. A student places a sugar cube in a beaker of water. What change will occur? A The sugar cube will not change. B More water will be formed. C The sugar cube will become smaller. D The water will form crystals.

5. 2004 TAKS Information Booklet, #10 2. A student places a sugar cube in a beaker of water. What change will occur? A The sugar cube will not change. B More water will be formed. C The sugar cube will become smaller. D The water will form crystals.

6. 3.

7. 3.

8. TAKS Study Guide, #34 4. River water is a solution because it — A is a liquid, which has no definite shape B contains dissolved minerals and salts C carries sand, clay, and other sediment D is a compound made up of two elements

9. TAKS Study Guide, #34 4. River water is a solution because it — A is a liquid, which has no definite shape B contains dissolved minerals and salts C carries sand, clay, and other sediment D is a compound made up of two elements

10. 5.

11. 5.

12. 6.

13. 6.

14. 2006—#27 (86%) 7. A teaspoon of clean, dry sand is added to a cup of warm saltwater. What is most likely to happen after the mixture is stirred and then placed on a table for five minutes? A The amount of water will increase. B The salt will float to the top. C The sand will settle to the bottom. D The cup will heat up.

15. 2006—#27 (86%) 7. A teaspoon of clean, dry sand is added to a cup of warm saltwater. What is most likely to happen after the mixture is stirred and then placed on a table for five minutes? A The amount of water will increase. B The salt will float to the top. C The sand will settle to the bottom. D The cup will heat up.

16. 2009—#9 (89%) 8. Which process will separate the sugar from mixture of sugar and water? A Stirring the mixture B Evaporating the water C Adding more water D Adding more sugar

17. 2009—#9 (89%) 8. Which process will separate the sugar from mixture of sugar and water? A Stirring the mixture B Evaporating the water C Adding more water D Adding more sugar

18. 2010—#1 9. Which of the following is the best evidence that sugar has dissolved in water? A The sugar seems to disappear in the water. B The water temperature increases. C Some sugar turns into crystals. D Some bubbles form in the water.

19. 2010—#1 9. Which of the following is the best evidence that sugar has dissolved in water? A The sugar seems to disappear in the water. B The water temperature increases. C Some sugar turns into crystals. D Some bubbles form in the water.

20. 10.

21. 10.

22. 11. If purple drink mix is added to water, what change will occur to the water? A The drink mix will cause the water to freeze. B The water will totally disappear. C The drink mix will heat the water. D The water will change color.

23. 11. If purple drink mix is added to water, what change will occur to the water? A The drink mix will cause the water to freeze. B The water will totally disappear. C The drink mix will heat the water. D The water will change color.

24. 12. A science class mixed a white powder and a clear liquid together in a test tube. The mixture foamed up and flowed over the top of the test tube. What are the two substances MOST likely to be? A salt and water B Salt and vinegar C Baking soda and water D Baking soda and vinegar

25. 12. A science class mixed a white powder and a clear liquid together in a test tube. The mixture foamed up and flowed over the top of the test tube. What are the two substances MOST likely to be? A salt and water B Salt and vinegar C Baking soda and water D Baking soda and vinegar

26. 13.

27. 13.

28. 14. When sugar seems to disappear in water, it really— A dissolves B condenses C evaporates D precipitates

29. 14. When sugar seems to disappear in water, it really— A dissolves B condenses C evaporates D precipitates

30. 15. A tablespoon of sugar is poured into a beaker of warm water and stirred briefly. What change will occur? A The sugar will soak up the water. B The water will change colors. C The sugar will sink to the bottom. D The sugar will dissolve in the water.

31. 15. A tablespoon of sugar is poured into a beaker of warm water and stirred briefly. What change will occur? A The sugar will soak up the water. B The water will change colors. C The sugar will sink to the bottom. D The sugar will dissolve in the water.

32. 16. Which of the following is the best example of the process of dissolving? A Mixing chocolate powder in a glass of milk B Pouring sand into a beaker of warm water C Shaking a bottle of Italian salad dressing D Pouring milk into a cup of hot coffee

33. 16. Which of the following is the best example of the process of dissolving? A Mixing chocolate powder in a glass of milk B Pouring sand into a beaker of warm water C Shaking a bottle of Italian salad dressing D Pouring milk into a cup of hot coffee

34. 17. What happens to sugar particles as they dissolve in water? A The hot water changes the sugar into a new kind of water. B The sugar particles melt very quickly in the hot water. C The sugar particles spread out and fill in spaces in the water. D The sugar particles are changed into a different kind of matter.

35. 17. What happens to sugar particles as they dissolve in water? A The hot water changes the sugar into a new kind of water. B The sugar particles melt very quickly in the hot water. C The sugar particles spread out and fill in spaces in the water. D The sugar particles are changed into a different kind of matter.

36. 18. Which mixture below is also a solution? A Water and hot chocolate mix B Soil and rocks C Trail mix D Tossed salad (no dressing)

37. 18. Which mixture below is also a solution? A Water and hot chocolate mix B Soil and rocks C Trail mix D Tossed salad (no dressing)

38. 19. What property of chocolate powder does not change when it dissolves in milk? A Shape B Size C Texture D Taste

39. 19. What property of chocolate powder does not change when it dissolves in milk? A Shape B Size C Texture D Taste

40. 20. When one teaspoon of sugar is mixed into 40 mL of very hot water, what will probably happen to the sugar? A The sugar will dissolve into the water. B The sugar will float on top of the water. C The sugar will float away with the steam from the water. D The sugar and the water will settle into layers.

41. 20. When one teaspoon of sugar is mixed into 40 mL of very hot water, what will probably happen to the sugar? A The sugar will dissolve into the water. B The sugar will float on top of the water. C The sugar will float away with the steam from the water. D The sugar and the water will settle into layers.

42. 21.

43. 21.

44. 22. A suspension is a special kind of mixture. In a suspension, particles of a solid are suspended in a liquid and will not dissolve. The particles are large enough to be seen and the suspension appears cloudy. If the particles settle to the bottom, shaking and stirring will suspend the particles again. Which of the following is a suspension? A Kool-Aid® mixed with water B Spices in vinegar and oil (salad dressing) C Chocolate powder stirred into a glass of milk D Milk stirred into a cup of hot coffee

45. 22. A suspension is a special kind of mixture. In a suspension, particles of a solid are suspended in a liquid and will not dissolve. The particles are large enough to be seen and the suspension appears cloudy. If the particles settle to the bottom, shaking and stirring will suspend the particles again. Which of the following is a suspension? A Kool-Aid® mixed with water B Spices in vinegar and oil (salad dressing) C Chocolate powder stirred into a glass of milk D Milk stirred into a cup of hot coffee

46. 23. When the ingredients for a chocolate cake are being mixed, the cake batter is like a thick, brown soup. Which physical property of the cake is the SAME after the batter is baked? A Color B Size C Shape D Texture

47. 23. When the ingredients for a chocolate cake are being mixed, the cake batter is like a thick, brown soup. Which physical property of the cake is the SAME after the batter is baked? A Color B Size C Shape D Texture

48. 24. Large deposits of salt are often found in deserts. For this salt to be usable, it must be separated from sand. If an engineer were designing a process to separate salt from sand, which of these differences would be the MOST useful? A Salt and sand are different colors. B Salt dissolves in water, but sand does not. C Grains of sand are harder than grains of salt. D Grains of salt and grains of sand have different shapes.

49. 24. Large deposits of salt are often found in deserts. For this salt to be usable, it must be separated from sand. If an engineer were designing a process to separate salt from sand, which of these differences would be the MOST useful? A Salt and sand are different colors. B Salt dissolves in water, but sand does not. C Grains of sand are harder than grains of salt. D Grains of salt and grains of sand have different shapes.

50. 25. What process results from the spreading of sugar particles throughout water? A Mixing B Melting C Dissolving D Distributing