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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 913 · 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.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
  2. 2.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the stirring (b) the amount of water (c) time to dissolve (d) the amount of sugar
  3. 3.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is kept the same. (a) True (b) False
  4. 4.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the amount of water (b) the kind of sugar (c) the water temperature (d) the amount of sugar
  5. 5.🥄 Why does sugar dissolve faster in warm water? (a) particles move faster (b) cold water is wet (c) sugar likes the dark (d) warm water is thicker
  6. 6.🧺 Do we need honey for the dissolving test? (a) not needed (b) needed
  7. 7.True or false: sugar stirred well dissolves faster. (a) False (b) True
  8. 8.True or false: a clock or timer is needed for the dissolving test. (a) False (b) True
  9. 9.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) slower (b) the same (c) not at all (d) faster
  10. 10.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a magnet (b) sugar (c) a teaspoon (d) cold water
  11. 11.🧺 Which of these is needed for the dissolving test? (a) two clear glasses (b) a magnet (c) a balloon (d) cotton wool
  12. 12.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it spread in the water (b) it vanished for ever (c) it sank as sand (d) it became air
  13. 13.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) cotton wool (c) sugar (d) a clock or timer
  14. 14.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
  15. 15.True or false: sugar in icy water dissolves slower. (a) True (b) False
  16. 16.🧺 Do we need cold water for the dissolving test? (a) needed (b) not needed
  17. 17.🔍 Which is the odd one out? (a) table salt (b) chalk powder (c) food colour (d) sugar
  18. 18.🥄 Does sugar in icy water dissolve faster or slower? (a) slower (b) faster
  19. 19.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is kept the same. (a) False (b) True
  20. 20.True or false: powdered sugar dissolves slower. (a) True (b) False
  21. 21.⚖️ 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) False (b) True
  22. 22.🥄 Does glucose powder dissolve in water? (a) dissolves in water (b) does not dissolve
  23. 23.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a magnet (c) a rainbow (d) a solution
  24. 24.🔍 Which is the odd one out? (a) sawdust (b) sand (c) cooking oil (d) food colour
  25. 25.🧺 Do we need a clock or timer for the dissolving test? (a) needed (b) not needed
  26. 26.⚖️ 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
  27. 27.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
  28. 28.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) a mirror (c) a teaspoon (d) a clock or timer
  29. 29.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
  30. 30.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) a comb (c) a clock or timer (d) a balloon
  31. 31.True or false: sugar in warm water dissolves slower. (a) False (b) True
  32. 32.🥄 Which of these dissolves in water? (a) chalk powder (b) glucose powder (c) sawdust (d) cooking oil
  33. 33.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) honey (b) a clock or timer (c) two clear glasses (d) warm water
  34. 34.True or false: cold water is not needed for the dissolving test. (a) False (b) True
  35. 35.🛟 How should you check if the sugar has dissolved? (a) poke it with a finger (b) taste it (c) look for leftover grains (d) smell it closely
  36. 36.🧺 Do we need a teaspoon for the dissolving test? (a) needed (b) not needed
  37. 37.True or false: two clear glasses is needed for the dissolving test. (a) False (b) True
  38. 38.🥄 Which of these does not dissolve in water? (a) food colour (b) table salt (c) baking soda (d) chalk powder
  39. 39.🥄 Does small pebbles dissolve in water? (a) does not dissolve (b) dissolves in water
  40. 40.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster

Answer key

  1. faster
  2. time to dissolve
  3. True
  4. the water temperature
  5. particles move faster
  6. not needed
  7. True
  8. True
  9. faster
  10. a magnet
  11. two clear glasses
  12. it spread in the water
  13. cotton wool
  14. dissolves in water
  15. True
  16. needed
  17. chalk powder
  18. slower
  19. True
  20. False
  21. True
  22. dissolves in water
  23. a solution
  24. food colour
  25. needed
  26. we keep it the same
  27. needed
  28. a mirror
  29. needed
  30. a clock or timer
  31. False
  32. glucose powder
  33. honey
  34. False
  35. look for leftover grains
  36. needed
  37. True
  38. chalk powder
  39. does not dissolve
  40. faster

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