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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 61 · 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 sugar is the one thing we change. (a) False (b) True
  2. 2.⚖️ 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
  3. 3.True or false: chalk powder does not dissolve in water. (a) True (b) False
  4. 4.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) a balloon (c) two clear glasses (d) cold water
  5. 5.🧺 Do we need a clock or timer for the dissolving test? (a) not needed (b) needed
  6. 6.🥄 Which of these dissolves slower? (a) sugar in warm water (b) sugar stirred well (c) powdered sugar (d) a big sugar cube
  7. 7.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
  8. 8.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
  9. 9.True or false: a clock or timer is needed for the dissolving test. (a) True (b) False
  10. 10.🥄 Does chalk powder dissolve in water? (a) does not dissolve (b) dissolves in water
  11. 11.True or false: baking soda dissolves in water. (a) False (b) True
  12. 12.🥄 Which of these dissolves faster? (a) sugar in icy water (b) sugar in warm water (c) a big sugar cube (d) sugar left unstirred
  13. 13.True or false: a balloon is not needed for the dissolving test. (a) False (b) True
  14. 14.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) a clock or timer (c) honey (d) warm water
  15. 15.⚖️ 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
  16. 16.🧺 Which of these is needed for the dissolving test? (a) a comb (b) a mirror (c) a balloon (d) sugar
  17. 17.🥄 Which of these dissolves in water? (a) small pebbles (b) chalk powder (c) sand (d) glucose powder
  18. 18.🛟 How should you check if the sugar has dissolved? (a) poke it with a finger (b) smell it closely (c) taste it (d) look for leftover grains
  19. 19.🥄 Which of these dissolves in water? (a) chalk powder (b) cooking oil (c) small pebbles (d) food colour
  20. 20.⚖️ 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) True (b) False
  21. 21.🥄 Which of these dissolves faster? (a) sugar in icy water (b) a big sugar cube (c) sugar stirred well (d) sugar left unstirred
  22. 22.True or false: a magnet is not needed for the dissolving test. (a) True (b) False
  23. 23.🔍 Which is the odd one out? (a) sugar (b) cooking oil (c) chalk powder (d) sawdust
  24. 24.🥄 Which of these does not dissolve in water? (a) glucose powder (b) table salt (c) sugar (d) sawdust
  25. 25.⚖️ 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
  26. 26.🧺 Do we need cotton wool for the dissolving test? (a) needed (b) not needed
  27. 27.True or false: cooking oil dissolves in water. (a) True (b) False
  28. 28.🥄 Does food colour dissolve in water? (a) dissolves in water (b) does not dissolve
  29. 29.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) two clear glasses (c) a magnet (d) sugar
  30. 30.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) faster (c) slower (d) not at all
  31. 31.🔍 Which is the odd one out? (a) sawdust (b) small pebbles (c) cooking oil (d) glucose powder
  32. 32.🔍 Which is the odd one out? (a) food colour (b) baking soda (c) glucose powder (d) small pebbles
  33. 33.True or false: a mirror is needed for the dissolving test. (a) False (b) True
  34. 34.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we measure it (b) we keep it the same (c) we change it
  35. 35.🥄 Does small pebbles dissolve in water? (a) dissolves in water (b) does not dissolve
  36. 36.🥄 Which of these does not dissolve in water? (a) glucose powder (b) food colour (c) baking soda (d) small pebbles
  37. 37.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) time to dissolve (b) the amount of water (c) the stirring (d) the water temperature
  38. 38.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) the sugar cube (b) neither of them (c) both the same (d) powdered sugar
  39. 39.True or false: sugar stirred well dissolves faster. (a) True (b) False
  40. 40.True or false: sugar dissolves in water. (a) False (b) True

Answer key

  1. False
  2. True
  3. True
  4. a balloon
  5. needed
  6. a big sugar cube
  7. faster
  8. slower
  9. True
  10. does not dissolve
  11. True
  12. sugar in warm water
  13. True
  14. honey
  15. True
  16. sugar
  17. glucose powder
  18. look for leftover grains
  19. food colour
  20. False
  21. sugar stirred well
  22. True
  23. sugar
  24. sawdust
  25. True
  26. not needed
  27. False
  28. dissolves in water
  29. a magnet
  30. faster
  31. glucose powder
  32. small pebbles
  33. False
  34. we keep it the same
  35. does not dissolve
  36. small pebbles
  37. the water temperature
  38. powdered sugar
  39. True
  40. True

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