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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 655 · 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.🛟 Who should pour the warm water in the dissolving test? (a) a friend who is running (b) a grown-up (c) the youngest child (d) nobody needs to
  2. 2.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is the one thing we change. (a) False (b) True
  3. 3.🥄 Which of these does not dissolve in water? (a) food colour (b) table salt (c) sawdust (d) glucose powder
  4. 4.True or false: a balloon is needed for the dissolving test. (a) True (b) False
  5. 5.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) a clock or timer (c) a mirror (d) a comb
  6. 6.True or false: warm water is needed for the dissolving test. (a) True (b) False
  7. 7.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
  8. 8.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we change it (b) we keep it the same (c) we measure it
  9. 9.True or false: a comb is not needed for the dissolving test. (a) True (b) False
  10. 10.🔍 Which is the odd one out? (a) cooking oil (b) sawdust (c) chalk powder (d) baking soda
  11. 11.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a mirror (c) a teaspoon (d) a magnet
  12. 12.True or false: cold water is not needed for the dissolving test. (a) False (b) True
  13. 13.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
  14. 14.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) warm water (c) a magnet (d) sugar
  15. 15.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in icy water (c) a big sugar cube (d) sugar in warm water
  16. 16.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) cold water (c) a mirror (d) sugar
  17. 17.True or false: sugar is not needed for the dissolving test. (a) True (b) False
  18. 18.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
  19. 19.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
  20. 20.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is the one thing we change. (a) False (b) True
  21. 21.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is kept the same. (a) True (b) False
  22. 22.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
  23. 23.True or false: sand does not dissolve in water. (a) True (b) False
  24. 24.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) warm water (c) cold water (d) a balloon
  25. 25.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we measure it (b) we keep it the same (c) we change it
  26. 26.True or false: sugar stirred well dissolves faster. (a) False (b) True
  27. 27.True or false: table salt dissolves in water. (a) True (b) False
  28. 28.🥄 Does a big sugar cube dissolve faster or slower? (a) slower (b) faster
  29. 29.🛟 How should you check if the sugar has dissolved? (a) poke it with a finger (b) taste it (c) smell it closely (d) look for leftover grains
  30. 30.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar stirred well (c) sugar left unstirred (d) sugar in warm water
  31. 31.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) honey (c) sugar (d) warm water
  32. 32.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it sank as sand (b) it spread in the water (c) it became air (d) it vanished for ever
  33. 33.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) warm water (c) a comb (d) two clear glasses
  34. 34.🥄 Does sugar in icy water dissolve faster or slower? (a) slower (b) faster
  35. 35.🔍 Which is the odd one out? (a) cooking oil (b) sawdust (c) sand (d) table salt
  36. 36.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
  37. 37.🥄 Which of these does not dissolve in water? (a) sugar (b) cooking oil (c) baking soda (d) food colour
  38. 38.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
  39. 39.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the stirring (b) time to dissolve (c) the amount of water (d) the water temperature
  40. 40.True or false: sugar dissolves in water. (a) True (b) False

Answer key

  1. a grown-up
  2. False
  3. sawdust
  4. False
  5. a clock or timer
  6. True
  7. needed
  8. we keep it the same
  9. True
  10. baking soda
  11. a teaspoon
  12. False
  13. needed
  14. a magnet
  15. sugar in warm water
  16. a mirror
  17. False
  18. faster
  19. dissolves in water
  20. False
  21. True
  22. faster
  23. True
  24. a balloon
  25. we keep it the same
  26. True
  27. True
  28. slower
  29. look for leftover grains
  30. sugar left unstirred
  31. honey
  32. it spread in the water
  33. a comb
  34. slower
  35. table salt
  36. not needed
  37. cooking oil
  38. dissolves in water
  39. time to dissolve
  40. True

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