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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 850 · 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.True or false: a comb is not needed for the dissolving test. (a) True (b) False
  2. 2.🧺 Do we need honey for the dissolving test? (a) not needed (b) needed
  3. 3.🥄 Does baking soda dissolve in water? (a) dissolves in water (b) does not dissolve
  4. 4.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a comb (b) two clear glasses (c) warm water (d) a clock or timer
  5. 5.📘 What do we call water with sugar dissolved in it? (a) a rainbow (b) a magnet (c) a solution (d) a crystal
  6. 6.🔍 Sand is stirred into water. What do you see after a while? (a) it settles at the bottom (b) it turns blue (c) it floats up (d) it dissolves
  7. 7.🔍 Which is the odd one out? (a) sugar (b) sand (c) sawdust (d) small pebbles
  8. 8.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
  9. 9.🔍 Which is the odd one out? (a) sugar (b) sand (c) glucose powder (d) table salt
  10. 10.🧺 Do we need warm water for the dissolving test? (a) not needed (b) needed
  11. 11.🥄 Which of these does not dissolve in water? (a) sawdust (b) sugar (c) food colour (d) baking soda
  12. 12.True or false: table salt dissolves in water. (a) False (b) True
  13. 13.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) look for leftover grains (c) taste it (d) poke it with a finger
  14. 14.True or false: a balloon is needed for the dissolving test. (a) False (b) True
  15. 15.True or false: sawdust dissolves in water. (a) True (b) False
  16. 16.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) sugar (c) cold water (d) a magnet
  17. 17.True or false: two clear glasses is needed for the dissolving test. (a) False (b) True
  18. 18.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is the one thing we change. (a) False (b) True
  19. 19.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) faster (b) the same (c) not at all (d) slower
  20. 20.True or false: table salt does not dissolve in water. (a) True (b) False
  21. 21.🥄 Which of these does not dissolve in water? (a) table salt (b) baking soda (c) cooking oil (d) glucose powder
  22. 22.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
  23. 23.🥄 Which of these dissolves in water? (a) cooking oil (b) table salt (c) sand (d) small pebbles
  24. 24.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
  25. 25.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we change it (b) we measure it (c) we keep it the same
  26. 26.⚖️ 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) True (b) False
  27. 27.🥄 Why does sugar dissolve faster in warm water? (a) particles move faster (b) cold water is wet (c) warm water is thicker (d) sugar likes the dark
  28. 28.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) cold water (c) sugar (d) honey
  29. 29.🥄 Which of these dissolves slower? (a) sugar in icy water (b) powdered sugar (c) sugar stirred well (d) sugar in warm water
  30. 30.🥄 Does table salt dissolve in water? (a) does not dissolve (b) dissolves in water
  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 does not dissolve in water? (a) glucose powder (b) food colour (c) baking soda (d) sand
  33. 33.🥄 Does sawdust dissolve in water? (a) does not dissolve (b) dissolves in water
  34. 34.🧺 Which of these is needed for the dissolving test? (a) warm water (b) a balloon (c) a comb (d) a mirror
  35. 35.True or false: a clock or timer is needed for the dissolving test. (a) False (b) True
  36. 36.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
  37. 37.⚖️ 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
  38. 38.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
  39. 39.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
  40. 40.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) a big sugar cube (c) sugar in icy water (d) powdered sugar

Answer key

  1. True
  2. not needed
  3. dissolves in water
  4. a comb
  5. a solution
  6. it settles at the bottom
  7. sugar
  8. dissolves in water
  9. sand
  10. needed
  11. sawdust
  12. True
  13. look for leftover grains
  14. False
  15. False
  16. a magnet
  17. True
  18. False
  19. faster
  20. False
  21. cooking oil
  22. dissolves in water
  23. table salt
  24. faster
  25. we measure it
  26. True
  27. particles move faster
  28. honey
  29. sugar in icy water
  30. dissolves in water
  31. we keep it the same
  32. sand
  33. does not dissolve
  34. warm water
  35. True
  36. faster
  37. True
  38. needed
  39. slower
  40. powdered sugar

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