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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 629 · 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? Which of these is the one thing we change? (a) the water temperature (b) the stirring (c) the amount of sugar (d) the amount of water
  2. 2.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) time to dissolve (b) the amount of water (c) the amount of sugar (d) the kind of sugar
  3. 3.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) a magnet (c) a clock or timer (d) two clear glasses
  4. 4.True or false: a comb is needed for the dissolving test. (a) False (b) True
  5. 5.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a teaspoon (c) a balloon (d) a clock or timer
  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.⚖️ 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
  8. 8.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
  9. 9.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) the sugar cube (c) powdered sugar (d) neither of them
  10. 10.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) a clock or timer (c) two clear glasses (d) a balloon
  11. 11.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) warm water (c) a comb (d) honey
  12. 12.True or false: honey is needed for the dissolving test. (a) False (b) True
  13. 13.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) sugar (c) a teaspoon (d) a magnet
  14. 14.⚖️ 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) time to dissolve (c) the stirring
  15. 15.🥄 Does sugar left unstirred dissolve faster or slower? (a) slower (b) faster
  16. 16.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is the one thing we change. (a) True (b) False
  17. 17.🥄 Which of these dissolves slower? (a) sugar in warm water (b) powdered sugar (c) sugar stirred well (d) sugar left unstirred
  18. 18.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar stirred well (c) sugar in warm water (d) sugar in icy water
  19. 19.🔍 Which is the odd one out? (a) glucose powder (b) table salt (c) sand (d) sugar
  20. 20.True or false: sugar is needed for the dissolving test. (a) False (b) True
  21. 21.🥄 Why does sugar dissolve faster in warm water? (a) sugar likes the dark (b) warm water is thicker (c) cold water is wet (d) particles move faster
  22. 22.True or false: sugar dissolves in water. (a) False (b) True
  23. 23.True or false: sugar stirred well dissolves slower. (a) True (b) False
  24. 24.True or false: food colour does not dissolve in water. (a) True (b) False
  25. 25.True or false: sugar stirred well dissolves faster. (a) True (b) False
  26. 26.🥄 Which of these does not dissolve in water? (a) baking soda (b) table salt (c) sugar (d) sand
  27. 27.True or false: sugar does not dissolve in water. (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) chalk powder (b) food colour (c) glucose powder (d) sugar
  29. 29.True or false: powdered sugar dissolves faster. (a) True (b) False
  30. 30.True or false: sand dissolves in water. (a) True (b) False
  31. 31.🥄 Which of these does not dissolve in water? (a) table salt (b) small pebbles (c) food colour (d) sugar
  32. 32.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is kept the same. (a) True (b) False
  33. 33.🥄 Which of these dissolves in water? (a) sand (b) cooking oil (c) sawdust (d) sugar
  34. 34.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
  35. 35.⚖️ 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
  36. 36.True or false: sugar in warm water dissolves faster. (a) False (b) True
  37. 37.🔍 Which is the odd one out? (a) chalk powder (b) sand (c) small pebbles (d) table salt
  38. 38.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we change it (b) we keep it the same (c) we measure it
  39. 39.True or false: warm water is needed for the dissolving test. (a) False (b) True
  40. 40.⚖️ 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

Answer key

  1. the water temperature
  2. time to dissolve
  3. a magnet
  4. False
  5. a balloon
  6. a grown-up
  7. we measure it
  8. does not dissolve
  9. powdered sugar
  10. a balloon
  11. warm water
  12. False
  13. a magnet
  14. the stirring
  15. slower
  16. False
  17. sugar left unstirred
  18. sugar in icy water
  19. sand
  20. True
  21. particles move faster
  22. True
  23. False
  24. False
  25. True
  26. sand
  27. False
  28. chalk powder
  29. True
  30. False
  31. small pebbles
  32. True
  33. sugar
  34. faster
  35. True
  36. True
  37. table salt
  38. we keep it the same
  39. True
  40. we keep it the same

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