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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 868 · 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.True or false: a big sugar cube dissolves slower. (a) True (b) False
  2. 2.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
  3. 3.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
  4. 4.🥄 Which of these does not dissolve in water? (a) sugar (b) baking soda (c) sand (d) food colour
  5. 5.⚖️ 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 water temperature (c) the amount of water
  6. 6.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the water temperature (b) the stirring (c) time to dissolve (d) the amount of sugar
  7. 7.⚖️ 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
  8. 8.🥄 Does sawdust dissolve in water? (a) does not dissolve (b) dissolves in water
  9. 9.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
  10. 10.True or false: warm water is needed for the dissolving test. (a) False (b) True
  11. 11.True or false: two clear glasses is not needed for the dissolving test. (a) True (b) False
  12. 12.True or false: honey is not needed for the dissolving test. (a) True (b) False
  13. 13.🥄 Which of these dissolves in water? (a) chalk powder (b) sawdust (c) small pebbles (d) food colour
  14. 14.True or false: a balloon is needed for the dissolving test. (a) True (b) False
  15. 15.🥄 Does cooking oil dissolve in water? (a) dissolves in water (b) does not dissolve
  16. 16.🥄 Which of these does not dissolve in water? (a) table salt (b) sawdust (c) sugar (d) baking soda
  17. 17.True or false: sand does not dissolve in water. (a) False (b) True
  18. 18.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
  19. 19.True or false: sugar left unstirred dissolves slower. (a) True (b) False
  20. 20.True or false: a comb is needed for the dissolving test. (a) True (b) False
  21. 21.📘 What do we call water with sugar dissolved in it? (a) a rainbow (b) a solution (c) a crystal (d) a magnet
  22. 22.⚖️ 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) False (b) True
  23. 23.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
  24. 24.True or false: a teaspoon is not needed for the dissolving test. (a) False (b) True
  25. 25.🥄 Which of these dissolves in water? (a) sand (b) chalk powder (c) sugar (d) cooking oil
  26. 26.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is kept the same. (a) True (b) False
  27. 27.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) slower (c) faster (d) the same
  28. 28.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) warm water (c) cold water (d) honey
  29. 29.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we change it (b) we keep it the same (c) we measure it
  30. 30.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) neither of them (b) the sugar cube (c) powdered sugar (d) both the same
  31. 31.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
  32. 32.🧺 Do we need a teaspoon for the dissolving test? (a) needed (b) not needed
  33. 33.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the stirring (b) the water temperature (c) time to dissolve
  34. 34.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a mirror (b) cold water (c) warm water (d) a clock or timer
  35. 35.True or false: warm water is not needed for the dissolving test. (a) False (b) True
  36. 36.🥄 Which of these dissolves in water? (a) cooking oil (b) sawdust (c) table salt (d) small pebbles
  37. 37.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) a big sugar cube (c) sugar in warm water (d) sugar in icy water
  38. 38.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the kind of sugar (b) time to dissolve (c) the water temperature
  39. 39.🥄 Which of these dissolves slower? (a) sugar in warm water (b) a big sugar cube (c) sugar stirred well (d) powdered sugar
  40. 40.🥄 Why does sugar dissolve faster in warm water? (a) particles move faster (b) warm water is thicker (c) sugar likes the dark (d) cold water is wet

Answer key

  1. True
  2. slower
  3. faster
  4. sand
  5. the amount of water
  6. the water temperature
  7. False
  8. does not dissolve
  9. dissolves in water
  10. True
  11. False
  12. True
  13. food colour
  14. False
  15. does not dissolve
  16. sawdust
  17. True
  18. needed
  19. True
  20. False
  21. a solution
  22. True
  23. faster
  24. False
  25. sugar
  26. True
  27. faster
  28. honey
  29. we keep it the same
  30. powdered sugar
  31. not needed
  32. needed
  33. the stirring
  34. a mirror
  35. False
  36. table salt
  37. sugar in warm water
  38. the kind of sugar
  39. a big sugar cube
  40. particles move faster

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