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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 131 · 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.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) sugar (c) cotton wool (d) a clock or timer
  2. 2.True or false: powdered sugar dissolves faster. (a) True (b) False
  3. 3.True or false: a magnet is not needed for the dissolving test. (a) False (b) True
  4. 4.🔮 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
  5. 5.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) honey (c) two clear glasses (d) warm water
  6. 6.True or false: a clock or timer is needed for the dissolving test. (a) True (b) False
  7. 7.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) a clock or timer (c) honey (d) a comb
  8. 8.🧺 Do we need warm water for the dissolving test? (a) not needed (b) needed
  9. 9.🥄 Which of these dissolves in water? (a) food colour (b) chalk powder (c) sand (d) sawdust
  10. 10.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is kept the same. (a) True (b) False
  11. 11.🥄 Which of these does not dissolve in water? (a) sugar (b) small pebbles (c) baking soda (d) table salt
  12. 12.True or false: a comb is not needed for the dissolving test. (a) True (b) False
  13. 13.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
  14. 14.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we measure it (b) we change it (c) we keep it the same
  15. 15.🥄 Does small pebbles dissolve in water? (a) does not dissolve (b) dissolves in water
  16. 16.True or false: baking soda does not dissolve in water. (a) True (b) False
  17. 17.⚖️ 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) False (b) True
  18. 18.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the kind of sugar (b) the water temperature (c) the stirring (d) time to dissolve
  19. 19.🥄 Which of these dissolves faster? (a) sugar in icy water (b) powdered sugar (c) a big sugar cube (d) sugar left unstirred
  20. 20.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) faster (c) slower (d) not at all
  21. 21.🧺 Which of these is not needed for the dissolving test? (a) a mirror (b) a clock or timer (c) warm water (d) sugar
  22. 22.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a magnet (c) warm water (d) cold water
  23. 23.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
  24. 24.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we measure it (b) we keep it the same (c) we change it
  25. 25.🥄 Which of these dissolves in water? (a) sawdust (b) sugar (c) sand (d) cooking oil
  26. 26.True or false: table salt does not dissolve in water. (a) False (b) True
  27. 27.True or false: sugar is not needed for the dissolving test. (a) True (b) False
  28. 28.True or false: a comb is needed for the dissolving test. (a) True (b) False
  29. 29.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
  30. 30.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
  31. 31.True or false: two clear glasses is not needed for the dissolving test. (a) True (b) False
  32. 32.🧺 Which of these is not needed for the dissolving test? (a) cotton wool (b) a teaspoon (c) two clear glasses (d) sugar
  33. 33.True or false: cold water is not needed for the dissolving test. (a) False (b) True
  34. 34.True or false: a balloon is needed for the dissolving test. (a) False (b) True
  35. 35.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we keep it the same (b) we change it (c) we measure it
  36. 36.True or false: sugar stirred well dissolves slower. (a) True (b) False
  37. 37.🥄 Which of these dissolves slower? (a) sugar in warm water (b) sugar stirred well (c) a big sugar cube (d) powdered sugar
  38. 38.🥄 Which of these does not dissolve in water? (a) baking soda (b) food colour (c) sand (d) sugar
  39. 39.🥄 Which of these dissolves faster? (a) sugar stirred well (b) a big sugar cube (c) sugar in icy water (d) sugar left unstirred
  40. 40.🥄 Does sugar dissolve in water? (a) does not dissolve (b) dissolves in water

Answer key

  1. cotton wool
  2. True
  3. True
  4. powdered sugar
  5. honey
  6. True
  7. a clock or timer
  8. needed
  9. food colour
  10. True
  11. small pebbles
  12. True
  13. does not dissolve
  14. we keep it the same
  15. does not dissolve
  16. False
  17. True
  18. time to dissolve
  19. powdered sugar
  20. faster
  21. a mirror
  22. a magnet
  23. does not dissolve
  24. we change it
  25. sugar
  26. False
  27. False
  28. False
  29. slower
  30. dissolves in water
  31. False
  32. cotton wool
  33. False
  34. False
  35. we measure it
  36. False
  37. a big sugar cube
  38. sand
  39. sugar stirred well
  40. dissolves in water

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