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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 707 · 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 small pebbles dissolve in water? (a) dissolves in water (b) does not dissolve
  2. 2.🧺 Do we need a magnet for the dissolving test? (a) not needed (b) needed
  3. 3.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
  4. 4.🥄 Does glucose powder dissolve in water? (a) dissolves in water (b) does not dissolve
  5. 5.🧺 Do we need sugar for the dissolving test? (a) needed (b) not needed
  6. 6.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) a grown-up (c) nobody needs to (d) a friend who is running
  7. 7.True or false: powdered sugar dissolves slower. (a) True (b) False
  8. 8.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
  9. 9.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
  10. 10.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
  11. 11.⚖️ 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
  12. 12.🥄 Which of these dissolves faster? (a) sugar in icy water (b) sugar left unstirred (c) sugar stirred well (d) a big sugar cube
  13. 13.True or false: chalk powder does not dissolve in water. (a) False (b) True
  14. 14.🔍 How can you get the salt back from salty water? (a) keep it in a fridge (b) stir it more (c) add more water (d) let the water evaporate
  15. 15.True or false: cooking oil does not dissolve in water. (a) False (b) True
  16. 16.🔍 Which is the odd one out? (a) table salt (b) sugar (c) baking soda (d) cooking oil
  17. 17.True or false: cotton wool is not needed for the dissolving test. (a) False (b) True
  18. 18.🔍 Which is the odd one out? (a) sawdust (b) chalk powder (c) cooking oil (d) sugar
  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.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
  21. 21.True or false: sugar in warm water dissolves slower. (a) False (b) True
  22. 22.🧺 Which of these is needed for the dissolving test? (a) two clear glasses (b) a comb (c) a balloon (d) honey
  23. 23.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is what we measure. (a) False (b) True
  24. 24.True or false: a mirror is needed for the dissolving test. (a) True (b) False
  25. 25.🛟 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
  26. 26.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a teaspoon (c) honey (d) a comb
  27. 27.True or false: a teaspoon is needed for the dissolving test. (a) True (b) False
  28. 28.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we keep it the same (b) we change it (c) we measure it
  29. 29.🥄 Which of these dissolves in water? (a) sand (b) cooking oil (c) sawdust (d) baking soda
  30. 30.🔍 Which is the odd one out? (a) baking soda (b) sand (c) chalk powder (d) cooking oil
  31. 31.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the amount of sugar (b) the water temperature (c) the stirring (d) time to dissolve
  32. 32.🥄 Which of these dissolves slower? (a) sugar in warm water (b) powdered sugar (c) sugar left unstirred (d) sugar stirred well
  33. 33.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is what we measure. (a) True (b) False
  34. 34.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) a magnet (c) sugar (d) warm water
  35. 35.True or false: a teaspoon is not needed for the dissolving test. (a) False (b) True
  36. 36.🥄 Which of these dissolves slower? (a) sugar in warm water (b) a big sugar cube (c) powdered sugar (d) sugar stirred well
  37. 37.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we change it (b) we measure it (c) we keep it the same
  38. 38.🥄 Which of these does not dissolve in water? (a) sugar (b) baking soda (c) cooking oil (d) glucose powder
  39. 39.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
  40. 40.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed

Answer key

  1. does not dissolve
  2. not needed
  3. faster
  4. dissolves in water
  5. needed
  6. a grown-up
  7. False
  8. needed
  9. faster
  10. dissolves in water
  11. we change it
  12. sugar stirred well
  13. True
  14. let the water evaporate
  15. True
  16. cooking oil
  17. True
  18. sugar
  19. True
  20. does not dissolve
  21. False
  22. two clear glasses
  23. False
  24. False
  25. look for leftover grains
  26. a teaspoon
  27. True
  28. we keep it the same
  29. baking soda
  30. baking soda
  31. the water temperature
  32. sugar left unstirred
  33. True
  34. a magnet
  35. False
  36. a big sugar cube
  37. we measure it
  38. cooking oil
  39. faster
  40. needed

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