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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 906 · 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 dissolves in water? (a) sawdust (b) chalk powder (c) baking soda (d) sand
  2. 2.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) a balloon (c) warm water (d) two clear glasses
  3. 3.🔍 Which is the odd one out? (a) table salt (b) sand (c) chalk powder (d) cooking oil
  4. 4.🥄 Which of these does not dissolve in water? (a) sugar (b) table salt (c) chalk powder (d) glucose powder
  5. 5.True or false: food colour does not dissolve in water. (a) True (b) False
  6. 6.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a magnet (c) sugar (d) honey
  7. 7.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
  8. 8.True or false: sand dissolves in water. (a) True (b) False
  9. 9.🥄 Which of these dissolves faster? (a) sugar in icy water (b) sugar left unstirred (c) a big sugar cube (d) sugar in warm water
  10. 10.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
  11. 11.True or false: sugar in warm water dissolves faster. (a) False (b) True
  12. 12.⚖️ 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) True (b) False
  13. 13.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
  14. 14.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
  15. 15.🔍 Which is the odd one out? (a) food colour (b) sawdust (c) chalk powder (d) sand
  16. 16.🥄 Does a big sugar cube dissolve faster or slower? (a) slower (b) faster
  17. 17.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the amount of water (b) the amount of sugar (c) the water temperature (d) time to dissolve
  18. 18.🥄 Which of these dissolves slower? (a) sugar in warm water (b) powdered sugar (c) sugar stirred well (d) sugar left unstirred
  19. 19.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) taste it (c) poke it with a finger (d) look for leftover grains
  20. 20.True or false: sugar is not needed for the dissolving test. (a) True (b) False
  21. 21.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
  22. 22.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a teaspoon (c) cold water (d) a comb
  23. 23.True or false: cotton wool is not needed for the dissolving test. (a) False (b) True
  24. 24.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) a mirror (c) a teaspoon (d) a balloon
  25. 25.🥄 Which of these does not dissolve in water? (a) glucose powder (b) food colour (c) sugar (d) sand
  26. 26.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
  27. 27.🧺 Do we need a balloon for the dissolving test? (a) needed (b) not needed
  28. 28.🥄 Does cooking oil dissolve in water? (a) dissolves in water (b) does not dissolve
  29. 29.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is kept the same. (a) False (b) True
  30. 30.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) cold water (c) a balloon (d) warm water
  31. 31.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) warm water (c) honey (d) two clear glasses
  32. 32.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we keep it the same (b) we measure it (c) we change it
  33. 33.True or false: honey is needed for the dissolving test. (a) False (b) True
  34. 34.🧺 Which of these is not needed for the dissolving test? (a) a comb (b) a teaspoon (c) sugar (d) two clear glasses
  35. 35.🥄 Does small pebbles dissolve in water? (a) does not dissolve (b) dissolves in water
  36. 36.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) nobody needs to (c) a friend who is running (d) a grown-up
  37. 37.True or false: sugar is needed for the dissolving test. (a) False (b) True
  38. 38.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) sugar (c) a mirror (d) two clear glasses
  39. 39.🔍 Which is the odd one out? (a) sawdust (b) small pebbles (c) sugar (d) chalk powder
  40. 40.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) a clock or timer (c) sugar (d) a magnet

Answer key

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

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