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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 341 · 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: sugar in icy water dissolves faster. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) sugar (b) food colour (c) small pebbles (d) baking soda
  3. 3.🔍 Sand is stirred into water. What do you see after a while? (a) it settles at the bottom (b) it floats up (c) it turns blue (d) it dissolves
  4. 4.True or false: a big sugar cube dissolves faster. (a) True (b) False
  5. 5.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) cotton wool (c) a teaspoon (d) two clear glasses
  6. 6.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
  7. 7.⚖️ 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
  8. 8.🥄 Which of these dissolves in water? (a) chalk powder (b) sawdust (c) small pebbles (d) table salt
  9. 9.True or false: sugar left unstirred dissolves faster. (a) True (b) False
  10. 10.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a mirror (c) sugar (d) a comb
  11. 11.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) two clear glasses (c) honey (d) a clock or timer
  12. 12.🥄 Which of these does not dissolve in water? (a) sugar (b) baking soda (c) glucose powder (d) sand
  13. 13.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a teaspoon (c) a magnet (d) sugar
  14. 14.⚖️ 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) time to dissolve (c) the amount of sugar
  15. 15.True or false: a clock or timer is not needed for the dissolving test. (a) False (b) True
  16. 16.⚖️ 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 keep it the same (c) we change it
  17. 17.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) a mirror (c) a clock or timer (d) sugar
  18. 18.🧺 Do we need a balloon for the dissolving test? (a) needed (b) not needed
  19. 19.🔍 Which is the odd one out? (a) cooking oil (b) sawdust (c) food colour (d) chalk powder
  20. 20.🧺 Do we need cold water for the dissolving test? (a) needed (b) not needed
  21. 21.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
  22. 22.True or false: chalk powder does not dissolve in water. (a) False (b) True
  23. 23.True or false: sugar in warm water dissolves faster. (a) True (b) False
  24. 24.🥄 Which of these dissolves slower? (a) sugar left unstirred (b) sugar stirred well (c) sugar in warm water (d) powdered sugar
  25. 25.⚖️ 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 keep it the same (c) we change it
  26. 26.🥄 Which of these does not dissolve in water? (a) baking soda (b) table salt (c) chalk powder (d) sugar
  27. 27.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
  28. 28.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) nobody needs to (c) a grown-up (d) a friend who is running
  29. 29.🥄 Does sugar left unstirred dissolve faster or slower? (a) slower (b) faster
  30. 30.🥄 Why does sugar dissolve faster in warm water? (a) cold water is wet (b) warm water is thicker (c) sugar likes the dark (d) particles move faster
  31. 31.🥄 Which of these dissolves slower? (a) sugar stirred well (b) powdered sugar (c) sugar in icy water (d) sugar in warm water
  32. 32.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
  33. 33.🧺 Which of these is not needed for the dissolving test? (a) a comb (b) warm water (c) a clock or timer (d) cold water
  34. 34.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
  35. 35.True or false: small pebbles does not dissolve in water. (a) True (b) False
  36. 36.True or false: a balloon is needed for the dissolving test. (a) False (b) True
  37. 37.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is kept the same. (a) True (b) False
  38. 38.🥄 Which of these does not dissolve in water? (a) sugar (b) glucose powder (c) baking soda (d) small pebbles
  39. 39.🧺 Which of these is needed for the dissolving test? (a) cold water (b) a magnet (c) a mirror (d) cotton wool
  40. 40.🧺 Do we need cotton wool for the dissolving test? (a) needed (b) not needed

Answer key

  1. False
  2. small pebbles
  3. it settles at the bottom
  4. False
  5. cotton wool
  6. needed
  7. we keep it the same
  8. table salt
  9. False
  10. sugar
  11. honey
  12. sand
  13. a magnet
  14. the amount of sugar
  15. False
  16. we keep it the same
  17. a mirror
  18. not needed
  19. food colour
  20. needed
  21. faster
  22. True
  23. True
  24. sugar left unstirred
  25. we keep it the same
  26. chalk powder
  27. slower
  28. a grown-up
  29. slower
  30. particles move faster
  31. sugar in icy water
  32. faster
  33. a comb
  34. faster
  35. True
  36. False
  37. False
  38. small pebbles
  39. cold water
  40. not needed

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