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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 803 · 40 questions
TalentJR

What you do (Warm, stir, small): 1. An adult pours the same amount of warm water and cold water into two glasses. 2. Add one level teaspoon of sugar to each at the same time. 3. Stir each the same number of times and time how long the sugar takes to vanish. 4. Look, do not taste — then compare the two times.

NameDateTime takenScore ___ / 40
  1. 1.True or false: two clear glasses is needed for the dissolving test. (a) False (b) True
  2. 2.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) cotton wool (c) sugar (d) a comb
  3. 3.📘 What do we call water with sugar dissolved in it? (a) a solution (b) a crystal (c) a rainbow (d) a magnet
  4. 4.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
  5. 5.🥄 Which of these dissolves in water? (a) chalk powder (b) sawdust (c) glucose powder (d) cooking oil
  6. 6.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar stirred well (c) sugar in warm water (d) sugar in icy water
  7. 7.🥄 Does food colour dissolve in water? (a) dissolves in water (b) does not dissolve
  8. 8.🥄 Which of these dissolves faster? (a) sugar in icy water (b) sugar stirred well (c) sugar left unstirred (d) a big sugar cube
  9. 9.🥄 Does table salt dissolve in water? (a) does not dissolve (b) dissolves in water
  10. 10.True or false: sawdust dissolves in water. (a) False (b) True
  11. 11.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the kind of sugar (b) the stirring (c) the water temperature (d) the amount of water
  12. 12.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is the one thing we change. (a) True (b) False
  13. 13.🔍 Which is the odd one out? (a) table salt (b) baking soda (c) food colour (d) cooking oil
  14. 14.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) a big sugar cube (c) powdered sugar (d) sugar in icy water
  15. 15.True or false: cotton wool is not needed for the dissolving test. (a) False (b) True
  16. 16.🥄 Does sugar left unstirred dissolve faster or slower? (a) slower (b) faster
  17. 17.True or false: cooking oil dissolves in water. (a) False (b) True
  18. 18.True or false: sugar stirred well dissolves slower. (a) True (b) False
  19. 19.True or false: a clock or timer is not needed for the dissolving test. (a) True (b) False
  20. 20.True or false: sugar is not needed for the dissolving test. (a) True (b) False
  21. 21.🧺 Do we need a magnet for the dissolving test? (a) needed (b) not needed
  22. 22.🧺 Which of these is not needed for the dissolving test? (a) a comb (b) warm water (c) a teaspoon (d) two clear glasses
  23. 23.True or false: table salt dissolves in water. (a) False (b) True
  24. 24.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
  25. 25.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a magnet (c) a clock or timer (d) honey
  26. 26.True or false: cold water is not needed for the dissolving test. (a) True (b) False
  27. 27.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a comb (b) sugar (c) a teaspoon (d) a clock or timer
  28. 28.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) sugar (c) warm water (d) a balloon
  29. 29.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the kind of sugar (b) time to dissolve (c) the water temperature
  30. 30.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) slower (c) not at all (d) faster
  31. 31.🔍 Which is the odd one out? (a) sugar (b) small pebbles (c) cooking oil (d) sawdust
  32. 32.True or false: honey is not needed for the dissolving test. (a) False (b) True
  33. 33.True or false: sugar left unstirred dissolves slower. (a) True (b) False
  34. 34.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is the one thing we change. (a) True (b) False
  35. 35.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
  36. 36.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) time to dissolve (b) the water temperature (c) the amount of water
  37. 37.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) a mirror (c) warm water (d) a clock or timer
  38. 38.🥄 Why does sugar dissolve faster in warm water? (a) particles move faster (b) cold water is wet (c) sugar likes the dark (d) warm water is thicker
  39. 39.True or false: powdered sugar dissolves slower. (a) False (b) True
  40. 40.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower

Answer key

  1. True
  2. sugar
  3. a solution
  4. faster
  5. glucose powder
  6. sugar in icy water
  7. dissolves in water
  8. sugar stirred well
  9. dissolves in water
  10. False
  11. the water temperature
  12. False
  13. cooking oil
  14. powdered sugar
  15. True
  16. slower
  17. False
  18. False
  19. False
  20. False
  21. not needed
  22. a comb
  23. True
  24. dissolves in water
  25. a clock or timer
  26. False
  27. a comb
  28. a balloon
  29. the kind of sugar
  30. faster
  31. sugar
  32. True
  33. True
  34. False
  35. faster
  36. the amount of water
  37. a mirror
  38. particles move faster
  39. False
  40. slower

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