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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 117 · 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) a clock or timer (b) two clear glasses (c) cotton wool (d) a teaspoon
  2. 2.🔍 Which is the odd one out? (a) glucose powder (b) sugar (c) food colour (d) chalk powder
  3. 3.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we measure it (b) we change it (c) we keep it the same
  4. 4.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is kept the same. (a) False (b) True
  5. 5.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is what we measure. (a) True (b) False
  6. 6.⚖️ 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 stirring
  7. 7.True or false: sugar in warm water dissolves faster. (a) False (b) True
  8. 8.True or false: glucose powder dissolves in water. (a) True (b) False
  9. 9.🥄 Does baking soda dissolve in water? (a) dissolves in water (b) does not dissolve
  10. 10.🧺 Do we need sugar for the dissolving test? (a) needed (b) not needed
  11. 11.True or false: sand dissolves in water. (a) False (b) True
  12. 12.🛟 Who should pour the warm water in the dissolving test? (a) a grown-up (b) a friend who is running (c) nobody needs to (d) the youngest child
  13. 13.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
  14. 14.🥄 Which of these does not dissolve in water? (a) table salt (b) sugar (c) chalk powder (d) food colour
  15. 15.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) cold water (c) a teaspoon (d) a mirror
  16. 16.🧺 Do we need a balloon for the dissolving test? (a) needed (b) not needed
  17. 17.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) two clear glasses (c) sugar (d) a balloon
  18. 18.🥄 Why does sugar dissolve faster in warm water? (a) particles move faster (b) sugar likes the dark (c) cold water is wet (d) warm water is thicker
  19. 19.⚖️ 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
  20. 20.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) warm water (c) sugar (d) honey
  21. 21.🧺 Do we need a comb for the dissolving test? (a) not needed (b) needed
  22. 22.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) cold water (c) a comb (d) two clear glasses
  23. 23.True or false: a comb is not needed for the dissolving test. (a) False (b) True
  24. 24.🥄 Does glucose powder dissolve in water? (a) dissolves in water (b) does not dissolve
  25. 25.🧺 Which of these is not needed for the dissolving test? (a) a balloon (b) warm water (c) sugar (d) two clear glasses
  26. 26.🔍 Which is the odd one out? (a) table salt (b) chalk powder (c) small pebbles (d) cooking oil
  27. 27.🛟 How should you check if the sugar has dissolved? (a) taste it (b) poke it with a finger (c) look for leftover grains (d) smell it closely
  28. 28.🧺 Which of these is needed for the dissolving test? (a) two clear glasses (b) a comb (c) a magnet (d) a balloon
  29. 29.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
  30. 30.🥄 Does cooking oil dissolve in water? (a) does not dissolve (b) dissolves in water
  31. 31.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) powdered sugar (b) the sugar cube (c) neither of them (d) both the same
  32. 32.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
  33. 33.🔍 Which is the odd one out? (a) sand (b) chalk powder (c) cooking oil (d) food colour
  34. 34.🥄 Does sugar left unstirred dissolve faster or slower? (a) faster (b) slower
  35. 35.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) cotton wool (c) warm water (d) cold water
  36. 36.🥄 Which of these dissolves slower? (a) sugar in warm water (b) powdered sugar (c) sugar stirred well (d) sugar left unstirred
  37. 37.🥄 Which of these dissolves in water? (a) sand (b) sawdust (c) chalk powder (d) glucose powder
  38. 38.🧺 Which of these is needed for the dissolving test? (a) cold water (b) a balloon (c) a mirror (d) cotton wool
  39. 39.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a comb (c) a teaspoon (d) a balloon
  40. 40.True or false: sugar in icy water dissolves faster. (a) True (b) False

Answer key

  1. cotton wool
  2. chalk powder
  3. we keep it the same
  4. False
  5. False
  6. the stirring
  7. True
  8. True
  9. dissolves in water
  10. needed
  11. False
  12. a grown-up
  13. dissolves in water
  14. chalk powder
  15. a mirror
  16. not needed
  17. a balloon
  18. particles move faster
  19. we keep it the same
  20. honey
  21. not needed
  22. a comb
  23. True
  24. dissolves in water
  25. a balloon
  26. table salt
  27. look for leftover grains
  28. two clear glasses
  29. needed
  30. does not dissolve
  31. powdered sugar
  32. does not dissolve
  33. food colour
  34. slower
  35. cotton wool
  36. sugar left unstirred
  37. glucose powder
  38. cold water
  39. a teaspoon
  40. False

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