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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 791 · 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.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we measure it (b) we keep it the same (c) we change it
  2. 2.True or false: sugar left unstirred dissolves slower. (a) True (b) False
  3. 3.True or false: a magnet is not needed for the dissolving test. (a) False (b) True
  4. 4.⚖️ 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
  5. 5.True or false: honey is not needed for the dissolving test. (a) False (b) True
  6. 6.🥄 Which of these dissolves slower? (a) sugar in icy water (b) sugar stirred well (c) powdered sugar (d) sugar in warm water
  7. 7.🔍 Which is the odd one out? (a) cooking oil (b) small pebbles (c) chalk powder (d) baking soda
  8. 8.🔍 Which is the odd one out? (a) chalk powder (b) sand (c) food colour (d) cooking oil
  9. 9.🥄 Does baking soda dissolve in water? (a) dissolves in water (b) does not dissolve
  10. 10.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) a magnet (c) two clear glasses (d) a teaspoon
  11. 11.True or false: sugar left unstirred dissolves faster. (a) True (b) False
  12. 12.True or false: a mirror is needed for the dissolving test. (a) False (b) True
  13. 13.🔍 Which is the odd one out? (a) food colour (b) glucose powder (c) baking soda (d) sawdust
  14. 14.True or false: a teaspoon is needed for the dissolving test. (a) False (b) True
  15. 15.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
  16. 16.True or false: a big sugar cube dissolves slower. (a) False (b) True
  17. 17.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
  18. 18.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is what we measure. (a) False (b) True
  19. 19.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a mirror (b) sugar (c) a clock or timer (d) warm water
  20. 20.🥄 Does small pebbles dissolve in water? (a) does not dissolve (b) dissolves in water
  21. 21.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) a mirror (c) cotton wool (d) warm water
  22. 22.🧺 Do we need a teaspoon for the dissolving test? (a) needed (b) not needed
  23. 23.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) faster (c) the same (d) slower
  24. 24.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) a balloon (c) sugar (d) two clear glasses
  25. 25.🔍 Which is the odd one out? (a) sugar (b) baking soda (c) sand (d) food colour
  26. 26.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in icy water (c) sugar stirred well (d) a big sugar cube
  27. 27.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a balloon (b) two clear glasses (c) warm water (d) a teaspoon
  28. 28.🥄 Why does sugar dissolve faster in warm water? (a) warm water is thicker (b) particles move faster (c) sugar likes the dark (d) cold water is wet
  29. 29.🔍 Which is the odd one out? (a) sugar (b) small pebbles (c) food colour (d) glucose powder
  30. 30.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we change it (b) we measure it (c) we keep it the same
  31. 31.True or false: a clock or timer is not needed for the dissolving test. (a) False (b) True
  32. 32.🥄 Does cooking oil dissolve in water? (a) does not dissolve (b) dissolves in water
  33. 33.🥄 Does sugar in icy water dissolve faster or slower? (a) slower (b) faster
  34. 34.🥄 Which of these dissolves in water? (a) sugar (b) cooking oil (c) sand (d) small pebbles
  35. 35.True or false: cooking oil does not dissolve in water. (a) False (b) True
  36. 36.🧺 Which of these is needed for the dissolving test? (a) a comb (b) cotton wool (c) a clock or timer (d) a balloon
  37. 37.True or false: sawdust does not dissolve in water. (a) False (b) True
  38. 38.🥄 Which of these dissolves faster? (a) sugar in icy water (b) a big sugar cube (c) sugar in warm water (d) sugar left unstirred
  39. 39.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a solution (c) a magnet (d) a rainbow
  40. 40.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster

Answer key

  1. we keep it the same
  2. True
  3. True
  4. False
  5. True
  6. sugar in icy water
  7. baking soda
  8. food colour
  9. dissolves in water
  10. a magnet
  11. False
  12. False
  13. sawdust
  14. True
  15. dissolves in water
  16. True
  17. faster
  18. False
  19. a mirror
  20. does not dissolve
  21. warm water
  22. needed
  23. faster
  24. a balloon
  25. sand
  26. sugar stirred well
  27. a balloon
  28. particles move faster
  29. small pebbles
  30. we keep it the same
  31. False
  32. does not dissolve
  33. slower
  34. sugar
  35. True
  36. a clock or timer
  37. True
  38. sugar in warm water
  39. a solution
  40. faster

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