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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 200 · 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 is the odd one out? (a) sugar (b) glucose powder (c) food colour (d) sand
  2. 2.⚖️ 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) the amount of sugar (c) time to dissolve
  3. 3.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) a teaspoon (c) warm water (d) honey
  4. 4.📘 What do we call water with sugar dissolved in it? (a) a magnet (b) a solution (c) a crystal (d) a rainbow
  5. 5.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is kept the same. (a) True (b) False
  6. 6.🔮 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
  7. 7.True or false: sugar is not needed for the dissolving test. (a) True (b) False
  8. 8.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the amount of sugar (b) time to dissolve (c) the water temperature (d) the amount of water
  9. 9.True or false: a teaspoon is needed for the dissolving test. (a) False (b) True
  10. 10.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) cotton wool (c) sugar (d) cold water
  11. 11.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
  12. 12.🧺 Which of these is needed for the dissolving test? (a) a clock or timer (b) honey (c) a comb (d) a mirror
  13. 13.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is what we measure. (a) True (b) False
  14. 14.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) warm water (c) a comb (d) a teaspoon
  15. 15.🥄 Which of these dissolves in water? (a) sugar (b) small pebbles (c) sand (d) sawdust
  16. 16.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a mirror (c) a teaspoon (d) cold water
  17. 17.True or false: cooking oil dissolves in water. (a) True (b) False
  18. 18.⚖️ 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
  19. 19.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
  20. 20.🥄 Which of these does not dissolve in water? (a) baking soda (b) sugar (c) sawdust (d) food colour
  21. 21.🥄 Does chalk powder dissolve in water? (a) does not dissolve (b) dissolves in water
  22. 22.🧺 Which of these is needed for the dissolving test? (a) honey (b) a comb (c) two clear glasses (d) a mirror
  23. 23.🥄 Does sugar left unstirred dissolve faster or slower? (a) slower (b) faster
  24. 24.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) honey (b) sugar (c) warm water (d) a teaspoon
  25. 25.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) some stays undissolved (b) all of it dissolves (c) the water turns solid (d) the sugar turns to salt
  26. 26.🥄 Which of these dissolves in water? (a) sawdust (b) cooking oil (c) small pebbles (d) food colour
  27. 27.🥄 Does baking soda dissolve in water? (a) dissolves in water (b) does not dissolve
  28. 28.True or false: powdered sugar dissolves faster. (a) True (b) False
  29. 29.🥄 Does table salt dissolve in water? (a) dissolves in water (b) does not dissolve
  30. 30.True or false: a clock or timer is not needed for the dissolving test. (a) False (b) True
  31. 31.True or false: cold water is not needed for the dissolving test. (a) False (b) True
  32. 32.True or false: sugar stirred well dissolves slower. (a) False (b) True
  33. 33.🧺 Do we need a comb for the dissolving test? (a) not needed (b) needed
  34. 34.🧺 Do we need a balloon for the dissolving test? (a) needed (b) not needed
  35. 35.🥄 Does sand dissolve in water? (a) dissolves in water (b) does not dissolve
  36. 36.🧺 Do we need a clock or timer for the dissolving test? (a) not needed (b) needed
  37. 37.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
  38. 38.🧺 Do we need sugar for the dissolving test? (a) needed (b) not needed
  39. 39.True or false: sand does not dissolve in water. (a) True (b) False
  40. 40.True or false: warm water is not needed for the dissolving test. (a) True (b) False

Answer key

  1. sand
  2. the amount of sugar
  3. honey
  4. a solution
  5. True
  6. powdered sugar
  7. False
  8. time to dissolve
  9. True
  10. cotton wool
  11. faster
  12. a clock or timer
  13. True
  14. a comb
  15. sugar
  16. a mirror
  17. False
  18. we keep it the same
  19. needed
  20. sawdust
  21. does not dissolve
  22. two clear glasses
  23. slower
  24. honey
  25. some stays undissolved
  26. food colour
  27. dissolves in water
  28. True
  29. dissolves in water
  30. False
  31. False
  32. False
  33. not needed
  34. not needed
  35. does not dissolve
  36. needed
  37. faster
  38. needed
  39. True
  40. False

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