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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 950 · 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.🧺 Which of these is needed for the dissolving test? (a) a comb (b) a teaspoon (c) cotton wool (d) a balloon
  2. 2.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it became air (b) it vanished for ever (c) it sank as sand (d) it spread in the water
  3. 3.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) sugar (c) a clock or timer (d) honey
  4. 4.True or false: sand dissolves in water. (a) False (b) True
  5. 5.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) the same (c) slower (d) faster
  6. 6.True or false: sugar in icy water dissolves slower. (a) False (b) True
  7. 7.🧺 Which of these is needed for the dissolving test? (a) two clear glasses (b) honey (c) cotton wool (d) a magnet
  8. 8.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a balloon (b) a clock or timer (c) a teaspoon (d) warm water
  9. 9.🧺 Do we need a comb for the dissolving test? (a) not needed (b) needed
  10. 10.⚖️ 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
  11. 11.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a magnet (c) a solution (d) a rainbow
  12. 12.🥄 Does table salt dissolve in water? (a) does not dissolve (b) dissolves in water
  13. 13.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
  14. 14.🧺 Which of these is needed for the dissolving test? (a) a comb (b) cold water (c) honey (d) a mirror
  15. 15.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) a teaspoon (c) a magnet (d) two clear glasses
  16. 16.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
  17. 17.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) cotton wool (c) a teaspoon (d) warm water
  18. 18.True or false: warm water is not needed for the dissolving test. (a) True (b) False
  19. 19.True or false: chalk powder does not dissolve in water. (a) False (b) True
  20. 20.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
  21. 21.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) two clear glasses (c) cold water (d) a comb
  22. 22.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) a mirror (c) a clock or timer (d) warm water
  23. 23.True or false: a balloon is needed for the dissolving test. (a) False (b) True
  24. 24.🧺 Do we need a clock or timer for the dissolving test? (a) needed (b) not needed
  25. 25.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
  26. 26.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in warm water (c) sugar stirred well (d) a big sugar cube
  27. 27.🥄 Does a big sugar cube dissolve faster or slower? (a) slower (b) faster
  28. 28.True or false: a comb is needed for the dissolving test. (a) True (b) False
  29. 29.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a balloon (c) a mirror (d) warm water
  30. 30.🔮 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
  31. 31.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) a comb (c) sugar (d) cotton wool
  32. 32.True or false: chalk powder dissolves in water. (a) False (b) True
  33. 33.True or false: sand does not dissolve in water. (a) False (b) True
  34. 34.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) cold water (c) two clear glasses (d) a balloon
  35. 35.True or false: a clock or timer is needed for the dissolving test. (a) False (b) True
  36. 36.🥄 Does small pebbles dissolve in water? (a) dissolves in water (b) does not dissolve
  37. 37.🔍 Sand is stirred into water. What do you see after a while? (a) it dissolves (b) it floats up (c) it turns blue (d) it settles at the bottom
  38. 38.🥄 Which of these does not dissolve in water? (a) sugar (b) cooking oil (c) food colour (d) table salt
  39. 39.🔍 Which is the odd one out? (a) chalk powder (b) food colour (c) sugar (d) glucose powder
  40. 40.⚖️ 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 keep it the same (c) we change it

Answer key

  1. a teaspoon
  2. it spread in the water
  3. honey
  4. False
  5. faster
  6. True
  7. two clear glasses
  8. a balloon
  9. not needed
  10. False
  11. a solution
  12. dissolves in water
  13. needed
  14. cold water
  15. a magnet
  16. does not dissolve
  17. cotton wool
  18. False
  19. True
  20. dissolves in water
  21. a comb
  22. a mirror
  23. False
  24. needed
  25. faster
  26. a big sugar cube
  27. slower
  28. False
  29. warm water
  30. powdered sugar
  31. sugar
  32. False
  33. True
  34. a balloon
  35. True
  36. does not dissolve
  37. it settles at the bottom
  38. cooking oil
  39. chalk powder
  40. we keep it the same

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