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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 184 · 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.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
  2. 2.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is kept the same. (a) False (b) True
  3. 3.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
  4. 4.True or false: table salt does not dissolve in water. (a) True (b) False
  5. 5.⚖️ 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 keep it the same (c) we measure it
  6. 6.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in icy water (c) powdered sugar (d) a big sugar cube
  7. 7.🧺 Which of these is needed for the dissolving test? (a) two clear glasses (b) a balloon (c) cotton wool (d) a comb
  8. 8.⚖️ 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
  9. 9.True or false: a comb is not needed for the dissolving test. (a) False (b) True
  10. 10.🛟 Who should pour the warm water in the dissolving test? (a) nobody needs to (b) the youngest child (c) a grown-up (d) a friend who is running
  11. 11.🧺 Do we need a magnet for the dissolving test? (a) not needed (b) needed
  12. 12.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in warm water (c) sugar stirred well (d) sugar left unstirred
  13. 13.🧺 Which of these is needed for the dissolving test? (a) a comb (b) a teaspoon (c) a magnet (d) a balloon
  14. 14.True or false: honey is not needed for the dissolving test. (a) True (b) False
  15. 15.🔍 Which is the odd one out? (a) sawdust (b) baking soda (c) table salt (d) glucose powder
  16. 16.True or false: sugar in warm water dissolves faster. (a) False (b) True
  17. 17.True or false: a comb is needed for the dissolving test. (a) False (b) True
  18. 18.True or false: sugar left unstirred dissolves faster. (a) False (b) True
  19. 19.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
  20. 20.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) the sugar cube (c) neither of them (d) powdered sugar
  21. 21.True or false: powdered sugar dissolves slower. (a) True (b) False
  22. 22.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
  23. 23.🔍 Which is the odd one out? (a) sugar (b) chalk powder (c) table salt (d) food colour
  24. 24.True or false: sawdust does not dissolve in water. (a) False (b) True
  25. 25.True or false: sugar left unstirred dissolves slower. (a) True (b) False
  26. 26.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) cold water (c) a teaspoon (d) honey
  27. 27.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the water temperature (b) the stirring (c) time to dissolve
  28. 28.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) a balloon (c) a clock or timer (d) two clear glasses
  29. 29.🥄 Which of these dissolves in water? (a) sand (b) small pebbles (c) chalk powder (d) baking soda
  30. 30.True or false: sugar is needed for the dissolving test. (a) True (b) False
  31. 31.🧺 Do we need a balloon for the dissolving test? (a) needed (b) not needed
  32. 32.🥄 Which of these does not dissolve in water? (a) table salt (b) food colour (c) chalk powder (d) baking soda
  33. 33.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we measure it (b) we keep it the same (c) we change it
  34. 34.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
  35. 35.🔍 Which is the odd one out? (a) table salt (b) cooking oil (c) chalk powder (d) small pebbles
  36. 36.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
  37. 37.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) all of it dissolves (b) the sugar turns to salt (c) the water turns solid (d) some stays undissolved
  38. 38.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) sugar (c) a clock or timer (d) a magnet
  39. 39.🥄 Which of these dissolves slower? (a) powdered sugar (b) a big sugar cube (c) sugar stirred well (d) sugar in warm water
  40. 40.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) not at all (c) slower (d) faster

Answer key

  1. faster
  2. False
  3. faster
  4. False
  5. we keep it the same
  6. powdered sugar
  7. two clear glasses
  8. True
  9. True
  10. a grown-up
  11. not needed
  12. sugar left unstirred
  13. a teaspoon
  14. True
  15. sawdust
  16. True
  17. False
  18. False
  19. needed
  20. powdered sugar
  21. False
  22. faster
  23. chalk powder
  24. True
  25. True
  26. honey
  27. the stirring
  28. a balloon
  29. baking soda
  30. True
  31. not needed
  32. chalk powder
  33. we keep it the same
  34. dissolves in water
  35. table salt
  36. needed
  37. some stays undissolved
  38. a magnet
  39. a big sugar cube
  40. faster

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