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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 203 · 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 sawdust dissolve in water? (a) does not dissolve (b) dissolves in water
  2. 2.⚖️ 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 sugar (b) the kind of sugar (c) the stirring (d) the water temperature
  3. 3.🔍 Which is the odd one out? (a) sugar (b) baking soda (c) glucose powder (d) cooking oil
  4. 4.🧺 Do we need a balloon for the dissolving test? (a) not needed (b) needed
  5. 5.🥄 Which of these dissolves in water? (a) cooking oil (b) baking soda (c) small pebbles (d) chalk powder
  6. 6.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
  7. 7.True or false: a teaspoon is needed for the dissolving test. (a) True (b) False
  8. 8.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) sugar (c) a teaspoon (d) a magnet
  9. 9.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
  10. 10.🧺 Which of these is needed for the dissolving test? (a) a comb (b) a magnet (c) cotton wool (d) a clock or timer
  11. 11.True or false: cold water is not needed for the dissolving test. (a) True (b) False
  12. 12.True or false: two clear glasses is not needed for the dissolving test. (a) True (b) False
  13. 13.🧺 Do we need a clock or timer for the dissolving test? (a) needed (b) not needed
  14. 14.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
  15. 15.⚖️ 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
  16. 16.True or false: sugar does not dissolve in water. (a) True (b) False
  17. 17.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) cold water (c) warm water (d) honey
  18. 18.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
  19. 19.🥄 Which of these does not dissolve in water? (a) sugar (b) table salt (c) glucose powder (d) small pebbles
  20. 20.🥄 Which of these does not dissolve in water? (a) baking soda (b) food colour (c) sawdust (d) sugar
  21. 21.🥄 Which of these dissolves slower? (a) powdered sugar (b) a big sugar cube (c) sugar stirred well (d) sugar in warm water
  22. 22.⚖️ 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 stirring
  23. 23.⚖️ 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
  24. 24.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) a teaspoon (c) two clear glasses (d) a comb
  25. 25.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we change it (b) we measure it (c) we keep it the same
  26. 26.True or false: a teaspoon is not needed for the dissolving test. (a) True (b) False
  27. 27.True or false: warm water is needed for the dissolving test. (a) False (b) True
  28. 28.🔍 Which is the odd one out? (a) sand (b) sawdust (c) chalk powder (d) baking soda
  29. 29.🥄 Does sand dissolve in water? (a) dissolves in water (b) does not dissolve
  30. 30.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we keep it the same (b) we measure it (c) we change it
  31. 31.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) slower (b) not at all (c) the same (d) faster
  32. 32.🔍 Which is the odd one out? (a) sawdust (b) food colour (c) table salt (d) sugar
  33. 33.🧺 Which of these is needed for the dissolving test? (a) two clear glasses (b) cotton wool (c) a mirror (d) a comb
  34. 34.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is what we measure. (a) False (b) True
  35. 35.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) honey (c) a balloon (d) sugar
  36. 36.True or false: food colour does not dissolve in water. (a) True (b) False
  37. 37.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
  38. 38.True or false: sugar stirred well dissolves faster. (a) True (b) False
  39. 39.True or false: honey 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? Which of these is kept the same? (a) time to dissolve (b) the water temperature (c) the amount of sugar

Answer key

  1. does not dissolve
  2. the water temperature
  3. cooking oil
  4. not needed
  5. baking soda
  6. needed
  7. True
  8. a magnet
  9. does not dissolve
  10. a clock or timer
  11. False
  12. False
  13. needed
  14. faster
  15. the kind of sugar
  16. False
  17. honey
  18. faster
  19. small pebbles
  20. sawdust
  21. a big sugar cube
  22. the stirring
  23. True
  24. a comb
  25. we keep it the same
  26. False
  27. True
  28. baking soda
  29. does not dissolve
  30. we keep it the same
  31. faster
  32. sawdust
  33. two clear glasses
  34. True
  35. sugar
  36. False
  37. dissolves in water
  38. True
  39. False
  40. the amount of sugar

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