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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 772 · 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: warm water is not needed for the dissolving test. (a) True (b) False
  2. 2.True or false: sugar stirred well dissolves faster. (a) False (b) True
  3. 3.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
  4. 4.🧺 Which of these is needed for the dissolving test? (a) a comb (b) cotton wool (c) a magnet (d) warm water
  5. 5.True or false: cooking oil does not dissolve in water. (a) True (b) False
  6. 6.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar left unstirred (c) sugar in icy water (d) sugar in warm water
  7. 7.🔍 Which is the odd one out? (a) glucose powder (b) chalk powder (c) baking soda (d) sugar
  8. 8.True or false: cotton wool is not needed for the dissolving test. (a) False (b) True
  9. 9.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we measure it (b) we keep it the same (c) we change it
  10. 10.🧺 Which of these is needed for the dissolving test? (a) two clear glasses (b) a balloon (c) a mirror (d) honey
  11. 11.🧺 Do we need a mirror for the dissolving test? (a) not needed (b) needed
  12. 12.🔍 Which is the odd one out? (a) chalk powder (b) cooking oil (c) glucose powder (d) sawdust
  13. 13.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) time to dissolve (b) the amount of water (c) the amount of sugar (d) the water temperature
  14. 14.🥄 Does chalk powder dissolve in water? (a) does not dissolve (b) dissolves in water
  15. 15.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
  16. 16.True or false: cooking oil dissolves in water. (a) True (b) False
  17. 17.🛟 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
  18. 18.🥄 Which of these dissolves in water? (a) chalk powder (b) small pebbles (c) sugar (d) sawdust
  19. 19.True or false: a balloon is needed for the dissolving test. (a) False (b) True
  20. 20.🔍 Which is the odd one out? (a) sugar (b) sand (c) table salt (d) baking soda
  21. 21.🔍 Which is the odd one out? (a) glucose powder (b) cooking oil (c) baking soda (d) sugar
  22. 22.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) two clear glasses (c) a comb (d) sugar
  23. 23.🛟 Who should pour the warm water in the dissolving test? (a) a friend who is running (b) a grown-up (c) nobody needs to (d) the youngest child
  24. 24.True or false: sugar left unstirred dissolves faster. (a) False (b) True
  25. 25.🥄 Which of these dissolves in water? (a) glucose powder (b) chalk powder (c) cooking oil (d) sawdust
  26. 26.🔍 Which is the odd one out? (a) chalk powder (b) sand (c) table salt (d) small pebbles
  27. 27.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) a teaspoon (c) honey (d) cold water
  28. 28.True or false: a clock or timer is needed for the dissolving test. (a) False (b) True
  29. 29.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) powdered sugar (c) neither of them (d) the sugar cube
  30. 30.🧺 Do we need a comb for the dissolving test? (a) needed (b) not needed
  31. 31.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) cold water (c) a balloon (d) two clear glasses
  32. 32.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) sugar (c) a teaspoon (d) a comb
  33. 33.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) cotton wool (c) a comb (d) a teaspoon
  34. 34.🥄 Does glucose powder dissolve in water? (a) dissolves in water (b) does not dissolve
  35. 35.🥄 Does table salt dissolve in water? (a) does not dissolve (b) dissolves in water
  36. 36.⚖️ 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
  37. 37.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
  38. 38.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a magnet (c) a teaspoon (d) sugar
  39. 39.⚖️ 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
  40. 40.True or false: sugar in warm water dissolves slower. (a) False (b) True

Answer key

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

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