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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 967 · 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? True or false: the amount of water is kept the same. (a) True (b) False
  2. 2.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
  3. 3.🔍 Which is the odd one out? (a) sawdust (b) chalk powder (c) glucose powder (d) sand
  4. 4.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
  5. 5.🥄 Which of these does not dissolve in water? (a) sugar (b) glucose powder (c) baking soda (d) sand
  6. 6.⚖️ 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 amount of water (c) time to dissolve
  7. 7.🥄 Which of these dissolves slower? (a) sugar stirred well (b) powdered sugar (c) sugar in warm water (d) sugar in icy water
  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) False (b) True
  9. 9.⚖️ 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
  10. 10.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we measure it (b) we change it (c) we keep it the same
  11. 11.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) nobody needs to (c) a friend who is running (d) a grown-up
  12. 12.⚖️ 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) True (b) False
  13. 13.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) faster (b) the same (c) not at all (d) slower
  14. 14.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a balloon (b) a clock or timer (c) two clear glasses (d) warm water
  15. 15.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is the one thing we change. (a) True (b) False
  16. 16.True or false: cotton wool is needed for the dissolving test. (a) False (b) True
  17. 17.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a magnet (b) warm water (c) two clear glasses (d) a teaspoon
  18. 18.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
  19. 19.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
  20. 20.🛟 How should you check if the sugar has dissolved? (a) taste it (b) smell it closely (c) poke it with a finger (d) look for leftover grains
  21. 21.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) cold water (c) a clock or timer (d) a comb
  22. 22.🥄 Does glucose powder dissolve in water? (a) does not dissolve (b) dissolves in water
  23. 23.True or false: a teaspoon is needed for the dissolving test. (a) False (b) True
  24. 24.🧺 Do we need a teaspoon for the dissolving test? (a) not needed (b) needed
  25. 25.🧺 Do we need a clock or timer for the dissolving test? (a) needed (b) not needed
  26. 26.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) the sugar cube (b) powdered sugar (c) neither of them (d) both the same
  27. 27.🥄 Does baking soda dissolve in water? (a) dissolves in water (b) does not dissolve
  28. 28.True or false: sugar dissolves in water. (a) True (b) False
  29. 29.True or false: two clear glasses is needed for the dissolving test. (a) False (b) True
  30. 30.True or false: sugar in warm water dissolves faster. (a) False (b) True
  31. 31.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
  32. 32.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar left unstirred (c) sugar stirred well (d) sugar in icy water
  33. 33.True or false: a big sugar cube dissolves slower. (a) False (b) True
  34. 34.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
  35. 35.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the stirring (b) the amount of water (c) the water temperature (d) the amount of sugar
  36. 36.🥄 Which of these dissolves in water? (a) sawdust (b) sand (c) table salt (d) small pebbles
  37. 37.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
  38. 38.🧺 Do we need a magnet for the dissolving test? (a) not needed (b) needed
  39. 39.True or false: a balloon is needed for the dissolving test. (a) False (b) True
  40. 40.🥄 Which of these dissolves slower? (a) sugar in warm water (b) sugar stirred well (c) a big sugar cube (d) powdered sugar

Answer key

  1. True
  2. faster
  3. glucose powder
  4. dissolves in water
  5. sand
  6. the amount of water
  7. sugar in icy water
  8. True
  9. we measure it
  10. we keep it the same
  11. a grown-up
  12. False
  13. faster
  14. a balloon
  15. True
  16. False
  17. a magnet
  18. does not dissolve
  19. faster
  20. look for leftover grains
  21. a comb
  22. dissolves in water
  23. True
  24. needed
  25. needed
  26. powdered sugar
  27. dissolves in water
  28. True
  29. True
  30. True
  31. faster
  32. sugar stirred well
  33. True
  34. needed
  35. the water temperature
  36. table salt
  37. needed
  38. not needed
  39. False
  40. a big sugar cube

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