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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 857 · 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.🥄 Does small pebbles dissolve in water? (a) does not dissolve (b) dissolves in water
  3. 3.🛟 Who should pour the warm water in the dissolving test? (a) nobody needs to (b) a grown-up (c) the youngest child (d) a friend who is running
  4. 4.True or false: two clear glasses is needed for the dissolving test. (a) False (b) True
  5. 5.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the kind of sugar (b) the amount of sugar (c) time to dissolve (d) the stirring
  6. 6.🥄 Does sawdust dissolve in water? (a) does not dissolve (b) dissolves in water
  7. 7.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we change it (b) we keep it the same (c) we measure it
  8. 8.🥄 Which of these dissolves in water? (a) sand (b) table salt (c) chalk powder (d) cooking oil
  9. 9.🥄 Which of these does not dissolve in water? (a) cooking oil (b) glucose powder (c) table salt (d) sugar
  10. 10.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is what we measure. (a) False (b) True
  11. 11.🛟 How should you check if the sugar has dissolved? (a) poke it with a finger (b) smell it closely (c) look for leftover grains (d) taste it
  12. 12.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) time to dissolve (b) the amount of sugar (c) the water temperature
  13. 13.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) cotton wool (c) honey (d) sugar
  14. 14.True or false: sugar does not dissolve in water. (a) True (b) False
  15. 15.True or false: cotton wool is not needed for the dissolving test. (a) True (b) False
  16. 16.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
  17. 17.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
  18. 18.🧺 Which of these is needed for the dissolving test? (a) honey (b) a comb (c) cold water (d) a mirror
  19. 19.🥄 Does table salt dissolve in water? (a) does not dissolve (b) dissolves in water
  20. 20.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar in icy water (c) sugar left unstirred (d) sugar in warm water
  21. 21.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
  22. 22.🥄 Which of these dissolves slower? (a) sugar stirred well (b) sugar in icy water (c) powdered sugar (d) sugar in warm water
  23. 23.True or false: a magnet is not needed for the dissolving test. (a) False (b) True
  24. 24.⚖️ 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
  25. 25.True or false: a big sugar cube dissolves faster. (a) False (b) True
  26. 26.🔍 How can you get the salt back from salty water? (a) let the water evaporate (b) add more water (c) keep it in a fridge (d) stir it more
  27. 27.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) a magnet (c) warm water (d) a comb
  28. 28.🔍 Which is the odd one out? (a) small pebbles (b) cooking oil (c) food colour (d) sand
  29. 29.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) slower (c) faster (d) not at all
  30. 30.True or false: a teaspoon is not needed for the dissolving test. (a) False (b) True
  31. 31.🔍 Which is the odd one out? (a) glucose powder (b) chalk powder (c) baking soda (d) sugar
  32. 32.🧺 Do we need a balloon for the dissolving test? (a) needed (b) not needed
  33. 33.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is the one thing we change. (a) True (b) False
  34. 34.True or false: powdered sugar dissolves faster. (a) False (b) True
  35. 35.🧺 Do we need a teaspoon for the dissolving test? (a) needed (b) not needed
  36. 36.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) two clear glasses (c) cotton wool (d) sugar
  37. 37.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) honey (c) a clock or timer (d) two clear glasses
  38. 38.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
  39. 39.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) a clock or timer (c) a teaspoon (d) a mirror
  40. 40.True or false: sugar in warm water dissolves faster. (a) False (b) True

Answer key

  1. we keep it the same
  2. does not dissolve
  3. a grown-up
  4. True
  5. time to dissolve
  6. does not dissolve
  7. we change it
  8. table salt
  9. cooking oil
  10. False
  11. look for leftover grains
  12. the amount of sugar
  13. sugar
  14. False
  15. True
  16. faster
  17. not needed
  18. cold water
  19. dissolves in water
  20. sugar in warm water
  21. faster
  22. sugar in icy water
  23. True
  24. True
  25. False
  26. let the water evaporate
  27. warm water
  28. food colour
  29. faster
  30. False
  31. chalk powder
  32. not needed
  33. False
  34. True
  35. needed
  36. cotton wool
  37. honey
  38. not needed
  39. a mirror
  40. True

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