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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 500 · 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 “time to dissolve”? (a) we measure it (b) we keep it the same (c) we change it
  2. 2.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) a mirror (c) two clear glasses (d) cotton wool
  3. 3.⚖️ 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 stirring (c) the water temperature (d) time to dissolve
  4. 4.⚖️ 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 water temperature (c) the kind of sugar
  5. 5.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
  6. 6.🧺 Do we need cotton wool for the dissolving test? (a) needed (b) not 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 keep it the same (b) we change it (c) we measure it
  8. 8.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
  9. 9.True or false: baking soda dissolves in water. (a) False (b) True
  10. 10.True or false: food colour dissolves in water. (a) False (b) True
  11. 11.⚖️ 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
  12. 12.True or false: a mirror is needed for the dissolving test. (a) False (b) True
  13. 13.🥄 Which of these does not dissolve in water? (a) glucose powder (b) cooking oil (c) baking soda (d) food colour
  14. 14.🧺 Do we need a teaspoon for the dissolving test? (a) needed (b) not needed
  15. 15.True or false: sugar left unstirred dissolves faster. (a) False (b) True
  16. 16.🧺 Do we need a magnet for the dissolving test? (a) needed (b) not needed
  17. 17.🥄 Does sugar left unstirred dissolve faster or slower? (a) faster (b) slower
  18. 18.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) sugar (c) a mirror (d) honey
  19. 19.🧺 Do we need a clock or timer for the dissolving test? (a) needed (b) not needed
  20. 20.🥄 Which of these dissolves in water? (a) cooking oil (b) sand (c) chalk powder (d) food colour
  21. 21.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) the sugar turns to salt (b) the water turns solid (c) all of it dissolves (d) some stays undissolved
  22. 22.🧺 Do we need cold water for the dissolving test? (a) needed (b) not needed
  23. 23.🥄 Which of these does not dissolve in water? (a) baking soda (b) sawdust (c) sugar (d) glucose powder
  24. 24.🥄 Which of these does not dissolve in water? (a) sand (b) food colour (c) glucose powder (d) sugar
  25. 25.🥄 Which of these dissolves in water? (a) baking soda (b) sand (c) chalk powder (d) cooking oil
  26. 26.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) warm water (c) sugar (d) a magnet
  27. 27.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
  28. 28.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) cold water (c) sugar (d) a balloon
  29. 29.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) cotton wool (c) a balloon (d) a teaspoon
  30. 30.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) a mirror (c) two clear glasses (d) sugar
  31. 31.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) honey (c) sugar (d) a clock or timer
  32. 32.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) sugar (c) a clock or timer (d) honey
  33. 33.🔍 Which is the odd one out? (a) table salt (b) sawdust (c) sand (d) chalk powder
  34. 34.True or false: honey is needed for the dissolving test. (a) False (b) True
  35. 35.🥄 Which of these dissolves in water? (a) cooking oil (b) sawdust (c) sand (d) table salt
  36. 36.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we keep it the same (b) we change it (c) we measure it
  37. 37.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
  38. 38.True or false: a mirror is not needed for the dissolving test. (a) False (b) True
  39. 39.🔍 Which is the odd one out? (a) glucose powder (b) sand (c) table salt (d) food colour
  40. 40.🥄 Which of these dissolves in water? (a) sugar (b) sand (c) cooking oil (d) sawdust

Answer key

  1. we measure it
  2. two clear glasses
  3. time to dissolve
  4. the kind of sugar
  5. needed
  6. not needed
  7. we keep it the same
  8. dissolves in water
  9. True
  10. True
  11. we keep it the same
  12. False
  13. cooking oil
  14. needed
  15. False
  16. not needed
  17. slower
  18. sugar
  19. needed
  20. food colour
  21. some stays undissolved
  22. needed
  23. sawdust
  24. sand
  25. baking soda
  26. a magnet
  27. does not dissolve
  28. a balloon
  29. a teaspoon
  30. a mirror
  31. honey
  32. honey
  33. table salt
  34. False
  35. table salt
  36. we keep it the same
  37. needed
  38. True
  39. sand
  40. sugar

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