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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 332 · 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.

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

Answer key

  1. a grown-up
  2. a clock or timer
  3. slower
  4. the kind of sugar
  5. we keep it the same
  6. sugar in warm water
  7. not needed
  8. dissolves in water
  9. False
  10. two clear glasses
  11. look for leftover grains
  12. cooking oil
  13. False
  14. False
  15. True
  16. a comb
  17. sugar stirred well
  18. a comb
  19. we keep it the same
  20. powdered sugar
  21. False
  22. True
  23. cotton wool
  24. table salt
  25. cold water
  26. False
  27. time to dissolve
  28. True
  29. True
  30. faster
  31. does not dissolve
  32. False
  33. False
  34. sugar
  35. does not dissolve
  36. not needed
  37. True
  38. sugar left unstirred
  39. needed
  40. dissolves in water

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