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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 660 · 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? What do we do with “the amount of water”? (a) we measure it (b) we change it (c) we keep it the same
  2. 2.🧺 Which of these is not needed for the dissolving test? (a) a mirror (b) two clear glasses (c) warm water (d) a teaspoon
  3. 3.🥄 Which of these dissolves slower? (a) sugar in icy water (b) sugar in warm water (c) powdered sugar (d) sugar stirred well
  4. 4.🥄 Which of these dissolves in water? (a) sugar (b) sand (c) small pebbles (d) chalk powder
  5. 5.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) poke it with a finger (c) taste it (d) look for leftover grains
  6. 6.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) a friend who is running (c) nobody needs to (d) a grown-up
  7. 7.True or false: sugar stirred well dissolves slower. (a) False (b) True
  8. 8.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) slower (c) faster (d) the same
  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 measure it (c) we change it
  10. 10.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
  11. 11.🥄 Which of these dissolves in water? (a) sand (b) baking soda (c) small pebbles (d) chalk powder
  12. 12.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
  13. 13.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) a clock or timer (c) a magnet (d) a comb
  14. 14.⚖️ 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
  15. 15.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) a big sugar cube (c) powdered sugar (d) sugar in icy water
  16. 16.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is the one thing we change. (a) False (b) True
  17. 17.True or false: powdered sugar dissolves slower. (a) True (b) False
  18. 18.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
  19. 19.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) powdered sugar (b) neither of them (c) the sugar cube (d) both the same
  20. 20.True or false: cotton wool is needed for the dissolving test. (a) True (b) False
  21. 21.🔍 Which is the odd one out? (a) cooking oil (b) food colour (c) sawdust (d) chalk powder
  22. 22.🥄 Does sugar dissolve in water? (a) does not dissolve (b) dissolves in water
  23. 23.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
  24. 24.True or false: sawdust does not dissolve in water. (a) True (b) False
  25. 25.True or false: baking soda dissolves in water. (a) True (b) False
  26. 26.🥄 Does small pebbles dissolve in water? (a) does not dissolve (b) dissolves in water
  27. 27.🥄 Which of these does not dissolve in water? (a) table salt (b) sugar (c) glucose powder (d) sawdust
  28. 28.True or false: sawdust dissolves in water. (a) False (b) True
  29. 29.True or false: sugar dissolves in water. (a) False (b) True
  30. 30.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we keep it the same (b) we measure it (c) we change it
  31. 31.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) a mirror (c) cold water (d) warm water
  32. 32.🔍 Which is the odd one out? (a) sand (b) sawdust (c) small pebbles (d) sugar
  33. 33.True or false: glucose powder dissolves in water. (a) False (b) True
  34. 34.⚖️ 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 kind of sugar (c) the water temperature (d) time to dissolve
  35. 35.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is what we measure. (a) True (b) False
  36. 36.🔍 Which is the odd one out? (a) food colour (b) sugar (c) chalk powder (d) glucose powder
  37. 37.🥄 Does cooking oil dissolve in water? (a) dissolves in water (b) does not dissolve
  38. 38.True or false: sand does not dissolve in water. (a) False (b) True
  39. 39.🧺 Do we need a mirror for the dissolving test? (a) needed (b) not needed
  40. 40.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed

Answer key

  1. we keep it the same
  2. a mirror
  3. sugar in icy water
  4. sugar
  5. look for leftover grains
  6. a grown-up
  7. False
  8. faster
  9. we measure it
  10. faster
  11. baking soda
  12. faster
  13. a clock or timer
  14. we keep it the same
  15. powdered sugar
  16. False
  17. False
  18. faster
  19. powdered sugar
  20. False
  21. food colour
  22. dissolves in water
  23. needed
  24. True
  25. True
  26. does not dissolve
  27. sawdust
  28. False
  29. True
  30. we change it
  31. a mirror
  32. sugar
  33. True
  34. the water temperature
  35. False
  36. chalk powder
  37. does not dissolve
  38. True
  39. not needed
  40. needed

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