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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 258 · 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: baking soda dissolves in water. (a) True (b) False
  2. 2.🥄 Does a big sugar cube dissolve faster or slower? (a) slower (b) faster
  3. 3.True or false: a teaspoon is not needed for the dissolving test. (a) True (b) False
  4. 4.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the amount of water (b) time to dissolve (c) the water temperature
  5. 5.🧺 Do we need a teaspoon for the dissolving test? (a) needed (b) not needed
  6. 6.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) sugar (c) honey (d) two clear glasses
  7. 7.True or false: powdered sugar dissolves faster. (a) False (b) True
  8. 8.True or false: sugar in warm water dissolves faster. (a) False (b) True
  9. 9.🥄 Does small pebbles dissolve in water? (a) dissolves in water (b) does not dissolve
  10. 10.🔍 Sand is stirred into water. What do you see after a while? (a) it dissolves (b) it settles at the bottom (c) it turns blue (d) it floats up
  11. 11.🥄 Which of these dissolves slower? (a) sugar in warm water (b) sugar stirred well (c) sugar in icy water (d) powdered sugar
  12. 12.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
  13. 13.True or false: sugar stirred well dissolves slower. (a) True (b) False
  14. 14.🛟 Who should pour the warm water in the dissolving test? (a) a grown-up (b) a friend who is running (c) the youngest child (d) nobody needs to
  15. 15.🛟 How should you check if the sugar has dissolved? (a) poke it with a finger (b) taste it (c) smell it closely (d) look for leftover grains
  16. 16.🔮 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
  17. 17.🥄 Which of these does not dissolve in water? (a) sugar (b) baking soda (c) glucose powder (d) sawdust
  18. 18.True or false: a balloon is not needed for the dissolving test. (a) False (b) True
  19. 19.🧺 Which of these is not needed for the dissolving test? (a) a comb (b) two clear glasses (c) a clock or timer (d) sugar
  20. 20.True or false: a big sugar cube dissolves faster. (a) False (b) True
  21. 21.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) slower (b) the same (c) faster (d) not at all
  22. 22.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is kept the same. (a) True (b) False
  23. 23.🧺 Which of these is needed for the dissolving test? (a) honey (b) sugar (c) a magnet (d) a mirror
  24. 24.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a teaspoon (c) two clear glasses (d) a magnet
  25. 25.True or false: sugar in icy water dissolves faster. (a) True (b) False
  26. 26.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) sugar (c) cold water (d) a balloon
  27. 27.🧺 Do we need a clock or timer for the dissolving test? (a) needed (b) not needed
  28. 28.🥄 Does sugar left unstirred dissolve faster or slower? (a) slower (b) faster
  29. 29.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the kind of sugar (b) the water temperature (c) the amount of sugar (d) the amount of water
  30. 30.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) cotton wool (c) cold water (d) warm water
  31. 31.True or false: a mirror is not needed for the dissolving test. (a) False (b) True
  32. 32.True or false: a balloon is needed for the dissolving test. (a) False (b) True
  33. 33.True or false: two clear glasses is needed for the dissolving test. (a) False (b) True
  34. 34.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
  35. 35.True or false: a clock or timer is not needed for the dissolving test. (a) True (b) False
  36. 36.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
  37. 37.🧺 Do we need warm water for the dissolving test? (a) not needed (b) needed
  38. 38.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
  39. 39.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
  40. 40.⚖️ 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

Answer key

  1. True
  2. slower
  3. False
  4. the amount of water
  5. needed
  6. honey
  7. True
  8. True
  9. does not dissolve
  10. it settles at the bottom
  11. sugar in icy water
  12. slower
  13. False
  14. a grown-up
  15. look for leftover grains
  16. some stays undissolved
  17. sawdust
  18. True
  19. a comb
  20. False
  21. faster
  22. True
  23. sugar
  24. a magnet
  25. False
  26. a balloon
  27. needed
  28. slower
  29. the water temperature
  30. cotton wool
  31. True
  32. False
  33. True
  34. needed
  35. False
  36. needed
  37. needed
  38. does not dissolve
  39. dissolves in water
  40. the amount of sugar

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