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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 94 · 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: sand dissolves in water. (a) False (b) True
  2. 2.🥄 Does small pebbles dissolve in water? (a) does not dissolve (b) dissolves in water
  3. 3.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the water temperature (b) the kind of sugar (c) the amount of water (d) the amount of sugar
  4. 4.🧺 Do we need a balloon for the dissolving test? (a) not needed (b) needed
  5. 5.⚖️ 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 amount of sugar (c) the kind of sugar (d) time to dissolve
  6. 6.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) a teaspoon (c) cold water (d) a comb
  7. 7.🥄 Which of these dissolves slower? (a) powdered sugar (b) a big sugar cube (c) sugar stirred well (d) sugar in warm water
  8. 8.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) warm water (c) a mirror (d) sugar
  9. 9.🔍 Which is the odd one out? (a) chalk powder (b) sawdust (c) glucose powder (d) sand
  10. 10.True or false: cold water is not needed for the dissolving test. (a) True (b) False
  11. 11.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) poke it with a finger (c) look for leftover grains (d) taste it
  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.True or false: table salt does not dissolve in water. (a) True (b) False
  14. 14.True or false: a big sugar cube dissolves slower. (a) True (b) False
  15. 15.True or false: sugar dissolves in water. (a) True (b) False
  16. 16.🧺 Do we need a mirror for the dissolving test? (a) needed (b) not needed
  17. 17.🥄 Does sugar dissolve in water? (a) does not dissolve (b) dissolves in water
  18. 18.🥄 Which of these dissolves slower? (a) sugar stirred well (b) sugar in warm water (c) powdered sugar (d) sugar left unstirred
  19. 19.⚖️ 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) True (b) False
  20. 20.🧺 Which of these is needed for the dissolving test? (a) a teaspoon (b) cotton wool (c) a mirror (d) a comb
  21. 21.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is what we measure. (a) True (b) False
  22. 22.True or false: a comb is needed for the dissolving test. (a) False (b) True
  23. 23.🥄 Does food colour dissolve in water? (a) dissolves in water (b) does not dissolve
  24. 24.True or false: sugar in warm water dissolves slower. (a) False (b) True
  25. 25.🥄 Which of these dissolves in water? (a) chalk powder (b) sugar (c) sand (d) small pebbles
  26. 26.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) a teaspoon (c) warm water (d) a magnet
  27. 27.🥄 Which of these dissolves slower? (a) sugar in icy water (b) sugar stirred well (c) sugar in warm water (d) powdered sugar
  28. 28.🥄 Which of these dissolves in water? (a) sawdust (b) small pebbles (c) baking soda (d) sand
  29. 29.True or false: a mirror is needed for the dissolving test. (a) True (b) False
  30. 30.True or false: a teaspoon is needed for the dissolving test. (a) False (b) True
  31. 31.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar in icy water (c) sugar stirred well (d) sugar left unstirred
  32. 32.📘 What do we call water with sugar dissolved in it? (a) a solution (b) a magnet (c) a rainbow (d) a crystal
  33. 33.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we keep it the same (b) we change it (c) we measure it
  34. 34.True or false: chalk powder dissolves in water. (a) True (b) False
  35. 35.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a magnet (b) sugar (c) a clock or timer (d) two clear glasses
  36. 36.🥄 Does baking soda dissolve in water? (a) dissolves in water (b) does not dissolve
  37. 37.True or false: sugar left unstirred dissolves faster. (a) True (b) False
  38. 38.⚖️ 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 change it (c) we keep it the same
  39. 39.🥄 Does table salt dissolve in water? (a) does not dissolve (b) dissolves in water
  40. 40.True or false: two clear glasses is needed for the dissolving test. (a) False (b) True

Answer key

  1. False
  2. does not dissolve
  3. the water temperature
  4. not needed
  5. time to dissolve
  6. a comb
  7. a big sugar cube
  8. a mirror
  9. glucose powder
  10. False
  11. look for leftover grains
  12. we keep it the same
  13. False
  14. True
  15. True
  16. not needed
  17. dissolves in water
  18. sugar left unstirred
  19. False
  20. a teaspoon
  21. False
  22. False
  23. dissolves in water
  24. False
  25. sugar
  26. a magnet
  27. sugar in icy water
  28. baking soda
  29. False
  30. True
  31. sugar stirred well
  32. a solution
  33. we measure it
  34. False
  35. a magnet
  36. dissolves in water
  37. False
  38. we keep it the same
  39. dissolves in water
  40. True

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