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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 590 · 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.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we keep it the same (b) we change it (c) we measure it
  2. 2.🛟 How should you check if the sugar has dissolved? (a) poke it with a finger (b) smell it closely (c) taste it (d) look for leftover grains
  3. 3.⚖️ 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
  4. 4.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
  5. 5.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
  6. 6.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) powdered sugar (b) both the same (c) neither of them (d) the sugar cube
  7. 7.True or false: sugar in warm water dissolves faster. (a) False (b) True
  8. 8.🥄 Does table salt dissolve in water? (a) does not dissolve (b) dissolves in water
  9. 9.🥄 Which of these dissolves faster? (a) sugar stirred well (b) sugar left unstirred (c) a big sugar cube (d) sugar in icy water
  10. 10.True or false: warm water is needed for the dissolving test. (a) False (b) True
  11. 11.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) the same (c) faster (d) slower
  12. 12.🥄 Does sugar left unstirred dissolve faster or slower? (a) slower (b) faster
  13. 13.True or false: food colour does not dissolve in water. (a) True (b) False
  14. 14.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
  15. 15.True or false: table salt dissolves in water. (a) True (b) False
  16. 16.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the water temperature (b) the amount of sugar (c) the amount of water (d) the stirring
  17. 17.🥄 Which of these dissolves in water? (a) chalk powder (b) cooking oil (c) small pebbles (d) baking soda
  18. 18.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
  19. 19.⚖️ 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) False (b) True
  20. 20.True or false: a balloon is not needed for the dissolving test. (a) False (b) True
  21. 21.True or false: sugar left unstirred dissolves faster. (a) False (b) True
  22. 22.True or false: a magnet is not needed for the dissolving test. (a) True (b) False
  23. 23.🛟 Who should pour the warm water in the dissolving test? (a) a grown-up (b) a friend who is running (c) the youngest child (d) nobody needs to
  24. 24.True or false: chalk powder dissolves in water. (a) False (b) True
  25. 25.🔍 Which is the odd one out? (a) cooking oil (b) sugar (c) table salt (d) food colour
  26. 26.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) a comb (c) a clock or timer (d) sugar
  27. 27.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is what we measure. (a) False (b) True
  28. 28.🥄 Which of these dissolves slower? (a) sugar left unstirred (b) sugar stirred well (c) sugar in warm water (d) powdered sugar
  29. 29.⚖️ 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) True (b) False
  30. 30.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) sugar (c) two clear glasses (d) a mirror
  31. 31.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) two clear glasses (c) a teaspoon (d) cotton wool
  32. 32.🧺 Do we need a magnet for the dissolving test? (a) needed (b) not needed
  33. 33.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is what we measure. (a) False (b) True
  34. 34.🥄 Does sugar in icy water dissolve faster or slower? (a) slower (b) faster
  35. 35.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
  36. 36.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) a balloon (c) two clear glasses (d) cotton wool
  37. 37.🥄 Why does sugar dissolve faster in warm water? (a) warm water is thicker (b) sugar likes the dark (c) particles move faster (d) cold water is wet
  38. 38.🥄 Which of these dissolves in water? (a) sawdust (b) cooking oil (c) sand (d) table salt
  39. 39.True or false: a magnet is needed for the dissolving test. (a) False (b) True
  40. 40.True or false: a balloon is needed for the dissolving test. (a) True (b) False

Answer key

  1. we change it
  2. look for leftover grains
  3. we keep it the same
  4. not needed
  5. needed
  6. powdered sugar
  7. True
  8. dissolves in water
  9. sugar stirred well
  10. True
  11. faster
  12. slower
  13. False
  14. does not dissolve
  15. True
  16. the water temperature
  17. baking soda
  18. slower
  19. True
  20. True
  21. False
  22. True
  23. a grown-up
  24. False
  25. cooking oil
  26. a comb
  27. False
  28. sugar left unstirred
  29. False
  30. a mirror
  31. cotton wool
  32. not needed
  33. False
  34. slower
  35. faster
  36. two clear glasses
  37. particles move faster
  38. table salt
  39. False
  40. False

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