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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 927 · 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 kind of sugar”? (a) we change it (b) we keep it the same (c) we measure it
  2. 2.🛟 Who should pour the warm water in the dissolving test? (a) nobody needs to (b) a friend who is running (c) a grown-up (d) the youngest child
  3. 3.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a rainbow (c) a magnet (d) a solution
  4. 4.🥄 Does sand dissolve in water? (a) does not dissolve (b) dissolves in water
  5. 5.True or false: a mirror is not needed for the dissolving test. (a) True (b) False
  6. 6.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in warm water (c) sugar stirred well (d) sugar left unstirred
  7. 7.🥄 Does sugar in icy water dissolve faster or slower? (a) slower (b) faster
  8. 8.🥄 Does table salt dissolve in water? (a) dissolves in water (b) does not dissolve
  9. 9.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) powdered sugar (b) both the same (c) the sugar cube (d) neither of them
  10. 10.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) honey (c) a magnet (d) cold water
  11. 11.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
  12. 12.True or false: two clear glasses is needed for the dissolving test. (a) False (b) True
  13. 13.🧺 Do we need cotton wool for the dissolving test? (a) needed (b) not needed
  14. 14.🔍 Which is the odd one out? (a) baking soda (b) food colour (c) glucose powder (d) sawdust
  15. 15.🔍 Which is the odd one out? (a) chalk powder (b) baking soda (c) food colour (d) glucose powder
  16. 16.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) honey (c) a teaspoon (d) a balloon
  17. 17.True or false: warm water is not needed for the dissolving test. (a) False (b) True
  18. 18.True or false: sugar in warm water dissolves slower. (a) True (b) False
  19. 19.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is kept the same. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) sand (b) sugar (c) chalk powder (d) cooking oil
  21. 21.🛟 How should you check if the sugar has dissolved? (a) taste it (b) smell it closely (c) look for leftover grains (d) poke it with a finger
  22. 22.🥄 Does sugar left unstirred dissolve faster or slower? (a) slower (b) faster
  23. 23.True or false: sand does not dissolve in water. (a) False (b) True
  24. 24.🔍 Which is the odd one out? (a) table salt (b) glucose powder (c) food colour (d) cooking oil
  25. 25.🧺 Do we need a teaspoon for the dissolving test? (a) needed (b) not needed
  26. 26.True or false: table salt dissolves in water. (a) True (b) False
  27. 27.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) a teaspoon (c) two clear glasses (d) a comb
  28. 28.True or false: a magnet is not needed for the dissolving test. (a) False (b) True
  29. 29.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
  30. 30.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a magnet (b) a teaspoon (c) sugar (d) two clear glasses
  31. 31.True or false: sugar left unstirred dissolves faster. (a) True (b) False
  32. 32.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar in icy water (c) sugar in warm water (d) sugar left unstirred
  33. 33.🥄 Does food colour dissolve in water? (a) dissolves in water (b) does not dissolve
  34. 34.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we keep it the same (b) we measure it (c) we change it
  35. 35.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we keep it the same (b) we change it (c) we measure it
  36. 36.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
  37. 37.🧺 Do we need a magnet for the dissolving test? (a) needed (b) not needed
  38. 38.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) warm water (c) two clear glasses (d) a mirror
  39. 39.🔍 Which is the odd one out? (a) sawdust (b) baking soda (c) chalk powder (d) small pebbles
  40. 40.⚖️ 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

Answer key

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

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