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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 426 · 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.🔍 Which is the odd one out? (a) sawdust (b) cooking oil (c) glucose powder (d) small pebbles
  2. 2.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a balloon (b) a teaspoon (c) sugar (d) warm water
  3. 3.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it vanished for ever (b) it became air (c) it spread in the water (d) it sank as sand
  4. 4.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) sugar (c) two clear glasses (d) a mirror
  5. 5.🥄 Does sand dissolve in water? (a) dissolves in water (b) does not dissolve
  6. 6.🔮 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
  7. 7.🥄 Which of these does not dissolve in water? (a) sand (b) sugar (c) food colour (d) glucose powder
  8. 8.🔍 Which is the odd one out? (a) chalk powder (b) food colour (c) sugar (d) table salt
  9. 9.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a teaspoon (c) warm water (d) a comb
  10. 10.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is what we measure. (a) False (b) True
  11. 11.⚖️ 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) True (b) False
  12. 12.⚖️ 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
  13. 13.🛟 Who should pour the warm water in the dissolving test? (a) a friend who is running (b) nobody needs to (c) a grown-up (d) the youngest child
  14. 14.🥄 Which of these dissolves in water? (a) cooking oil (b) small pebbles (c) chalk powder (d) baking soda
  15. 15.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
  16. 16.🥄 Does sawdust dissolve in water? (a) does not dissolve (b) dissolves in water
  17. 17.⚖️ 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
  18. 18.🥄 Which of these dissolves in water? (a) chalk powder (b) sawdust (c) glucose powder (d) small pebbles
  19. 19.🥄 Does chalk powder dissolve in water? (a) does not dissolve (b) dissolves in water
  20. 20.🔍 Which is the odd one out? (a) baking soda (b) table salt (c) cooking oil (d) sugar
  21. 21.⚖️ 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
  22. 22.🧺 Do we need a teaspoon for the dissolving test? (a) not needed (b) needed
  23. 23.True or false: sawdust does not dissolve in water. (a) False (b) True
  24. 24.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) honey (c) a mirror (d) sugar
  25. 25.True or false: sugar in warm water dissolves slower. (a) False (b) True
  26. 26.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) slower (b) the same (c) not at all (d) faster
  27. 27.🥄 Does baking soda dissolve in water? (a) dissolves in water (b) does not dissolve
  28. 28.🔍 Which is the odd one out? (a) table salt (b) sugar (c) sawdust (d) baking soda
  29. 29.🛟 How should you check if the sugar has dissolved? (a) taste it (b) poke it with a finger (c) smell it closely (d) look for leftover grains
  30. 30.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) warm water (c) a balloon (d) a magnet
  31. 31.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we measure it (b) we keep it the same (c) we change it
  32. 32.🥄 Which of these dissolves slower? (a) sugar stirred well (b) powdered sugar (c) sugar in warm water (d) a big sugar cube
  33. 33.True or false: sugar in warm water dissolves faster. (a) True (b) False
  34. 34.True or false: cooking oil dissolves in water. (a) True (b) False
  35. 35.🥄 Which of these does not dissolve in water? (a) baking soda (b) table salt (c) chalk powder (d) glucose powder
  36. 36.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) two clear glasses (c) a mirror (d) cotton wool
  37. 37.True or false: sugar is needed for the dissolving test. (a) True (b) False
  38. 38.⚖️ 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
  39. 39.True or false: sugar is not needed for the dissolving test. (a) False (b) True
  40. 40.🧺 Do we need cold water for the dissolving test? (a) needed (b) not needed

Answer key

  1. glucose powder
  2. a balloon
  3. it spread in the water
  4. a mirror
  5. does not dissolve
  6. powdered sugar
  7. sand
  8. chalk powder
  9. a comb
  10. False
  11. False
  12. we keep it the same
  13. a grown-up
  14. baking soda
  15. faster
  16. does not dissolve
  17. True
  18. glucose powder
  19. does not dissolve
  20. cooking oil
  21. True
  22. needed
  23. True
  24. sugar
  25. False
  26. faster
  27. dissolves in water
  28. sawdust
  29. look for leftover grains
  30. warm water
  31. we keep it the same
  32. a big sugar cube
  33. True
  34. False
  35. chalk powder
  36. two clear glasses
  37. True
  38. False
  39. False
  40. needed

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