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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 164 · 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.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) honey (c) warm water (d) sugar
  2. 2.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the water temperature (b) time to dissolve (c) the amount of water
  3. 3.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
  4. 4.True or false: glucose powder does not dissolve in water. (a) False (b) True
  5. 5.🔍 Which is the odd one out? (a) glucose powder (b) table salt (c) sawdust (d) baking soda
  6. 6.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we keep it the same (b) we change it (c) we measure it
  7. 7.🥄 Which of these dissolves in water? (a) chalk powder (b) sand (c) sugar (d) cooking oil
  8. 8.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
  9. 9.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
  10. 10.True or false: sugar in warm water dissolves faster. (a) False (b) True
  11. 11.True or false: cooking oil does not dissolve in water. (a) True (b) False
  12. 12.⚖️ 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) time to dissolve (c) the water temperature (d) the amount of water
  13. 13.🥄 Which of these dissolves slower? (a) sugar stirred well (b) sugar in warm water (c) a big sugar cube (d) powdered sugar
  14. 14.True or false: sawdust does not dissolve in water. (a) False (b) True
  15. 15.🔍 Which is the odd one out? (a) food colour (b) sugar (c) cooking oil (d) table salt
  16. 16.True or false: powdered sugar dissolves slower. (a) False (b) True
  17. 17.🧺 Do we need a magnet for the dissolving test? (a) not needed (b) needed
  18. 18.🧺 Which of these is needed for the dissolving test? (a) warm water (b) cotton wool (c) honey (d) a magnet
  19. 19.True or false: sugar in warm water dissolves slower. (a) False (b) True
  20. 20.True or false: honey is not needed for the dissolving test. (a) False (b) True
  21. 21.🥄 Which of these dissolves faster? (a) powdered sugar (b) a big sugar cube (c) sugar in icy water (d) sugar left unstirred
  22. 22.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) two clear glasses (c) sugar (d) a balloon
  23. 23.🧺 Do we need a comb for the dissolving test? (a) not needed (b) needed
  24. 24.🧺 Which of these is needed for the dissolving test? (a) honey (b) a clock or timer (c) a balloon (d) a comb
  25. 25.🛟 Who should pour the warm water in the dissolving test? (a) nobody needs to (b) the youngest child (c) a friend who is running (d) a grown-up
  26. 26.⚖️ 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
  27. 27.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the water temperature (b) the stirring (c) the amount of water (d) time to dissolve
  28. 28.🛟 How should you check if the sugar has dissolved? (a) poke it with a finger (b) smell it closely (c) look for leftover grains (d) taste it
  29. 29.True or false: glucose powder dissolves in water. (a) False (b) True
  30. 30.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) two clear glasses (c) honey (d) a comb
  31. 31.🧺 Which of these is not needed for the dissolving test? (a) a mirror (b) cold water (c) a teaspoon (d) a clock or timer
  32. 32.True or false: a clock or timer is not needed for the dissolving test. (a) True (b) False
  33. 33.🥄 Which of these dissolves slower? (a) sugar in warm water (b) sugar stirred well (c) powdered sugar (d) sugar left unstirred
  34. 34.True or false: a comb is needed for the dissolving test. (a) True (b) False
  35. 35.🔍 Sand is stirred into water. What do you see after a while? (a) it settles at the bottom (b) it floats up (c) it turns blue (d) it dissolves
  36. 36.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) a comb (c) a clock or timer (d) two clear glasses
  37. 37.True or false: a mirror is needed for the dissolving test. (a) False (b) True
  38. 38.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) a balloon (c) two clear glasses (d) warm water
  39. 39.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in icy water (c) a big sugar cube (d) sugar in warm water
  40. 40.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) a clock or timer (c) sugar (d) a comb

Answer key

  1. honey
  2. the amount of water
  3. needed
  4. False
  5. sawdust
  6. we keep it the same
  7. sugar
  8. faster
  9. does not dissolve
  10. True
  11. True
  12. the water temperature
  13. a big sugar cube
  14. True
  15. cooking oil
  16. False
  17. not needed
  18. warm water
  19. False
  20. True
  21. powdered sugar
  22. a balloon
  23. not needed
  24. a clock or timer
  25. a grown-up
  26. False
  27. time to dissolve
  28. look for leftover grains
  29. True
  30. two clear glasses
  31. a mirror
  32. False
  33. sugar left unstirred
  34. False
  35. it settles at the bottom
  36. a comb
  37. False
  38. a balloon
  39. sugar in warm water
  40. a comb

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