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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 365 · 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.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in icy water (c) a big sugar cube (d) sugar in warm water
  2. 2.True or false: sugar dissolves in water. (a) True (b) False
  3. 3.🥄 Which of these dissolves faster? (a) sugar in icy water (b) sugar stirred well (c) sugar left unstirred (d) a big sugar cube
  4. 4.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) a clock or timer (c) a comb (d) cotton wool
  5. 5.🔍 Which is the odd one out? (a) sawdust (b) sand (c) food colour (d) small pebbles
  6. 6.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
  7. 7.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in warm water (c) sugar stirred well (d) sugar in icy water
  8. 8.True or false: cooking oil does not dissolve in water. (a) True (b) False
  9. 9.True or false: sugar does not dissolve in water. (a) False (b) True
  10. 10.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) a magnet (c) a clock or timer (d) a teaspoon
  11. 11.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) sugar (c) two clear glasses (d) cotton wool
  12. 12.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) two clear glasses (c) sugar (d) a balloon
  13. 13.True or false: a teaspoon is not needed for the dissolving test. (a) False (b) True
  14. 14.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
  15. 15.🔍 Which is the odd one out? (a) table salt (b) sugar (c) chalk powder (d) food colour
  16. 16.⚖️ 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
  17. 17.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) warm water (c) a mirror (d) a teaspoon
  18. 18.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we change it (b) we keep it the same (c) we measure it
  19. 19.True or false: food colour dissolves in water. (a) True (b) False
  20. 20.🥄 Does table salt dissolve in water? (a) dissolves in water (b) does not dissolve
  21. 21.True or false: sugar left unstirred dissolves faster. (a) True (b) False
  22. 22.True or false: a balloon is needed for the dissolving test. (a) True (b) False
  23. 23.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the water temperature (b) the amount of water (c) time to dissolve (d) the stirring
  24. 24.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) honey (c) two clear glasses (d) a teaspoon
  25. 25.🥄 Which of these does not dissolve in water? (a) sugar (b) table salt (c) sand (d) glucose powder
  26. 26.🧺 Do we need a comb for the dissolving test? (a) needed (b) not needed
  27. 27.🥄 Does baking soda dissolve in water? (a) dissolves in water (b) does not dissolve
  28. 28.True or false: sugar stirred well dissolves slower. (a) True (b) False
  29. 29.⚖️ 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
  30. 30.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
  31. 31.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) slower (c) the same (d) faster
  32. 32.⚖️ 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 kind of sugar (c) the water temperature
  33. 33.True or false: sand does not dissolve in water. (a) True (b) False
  34. 34.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) a teaspoon (c) a mirror (d) warm water
  35. 35.True or false: powdered sugar dissolves slower. (a) True (b) False
  36. 36.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we change it (b) we measure it (c) we keep it the same
  37. 37.🧺 Do we need a magnet for the dissolving test? (a) needed (b) not needed
  38. 38.⚖️ 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 measure it (c) we keep it the same
  39. 39.🔍 Which is the odd one out? (a) baking soda (b) sand (c) cooking oil (d) sawdust
  40. 40.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we change it (b) we measure it (c) we keep it the same

Answer key

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

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