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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 894 · 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: cooking oil does not dissolve in water. (a) True (b) False
  2. 2.⚖️ 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
  3. 3.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) all of it dissolves (b) the water turns solid (c) some stays undissolved (d) the sugar turns to salt
  4. 4.🥄 Which of these dissolves faster? (a) sugar in icy water (b) a big sugar cube (c) powdered sugar (d) sugar left unstirred
  5. 5.🔍 Which is the odd one out? (a) sand (b) table salt (c) sawdust (d) cooking oil
  6. 6.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
  7. 7.True or false: warm water is needed for the dissolving test. (a) True (b) False
  8. 8.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
  9. 9.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) slower (c) faster (d) not at all
  10. 10.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
  11. 11.🥄 Which of these dissolves in water? (a) cooking oil (b) glucose powder (c) sawdust (d) small pebbles
  12. 12.True or false: sugar left unstirred dissolves faster. (a) False (b) True
  13. 13.🧺 Do we need a teaspoon for the dissolving test? (a) not needed (b) needed
  14. 14.⚖️ 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
  15. 15.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is kept the same. (a) False (b) True
  16. 16.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a mirror (b) a teaspoon (c) a clock or timer (d) warm water
  17. 17.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in warm water (c) sugar in icy water (d) sugar stirred well
  18. 18.🥄 Why does sugar dissolve faster in warm water? (a) warm water is thicker (b) cold water is wet (c) particles move faster (d) sugar likes the dark
  19. 19.🥄 Which of these dissolves in water? (a) small pebbles (b) sand (c) table salt (d) chalk powder
  20. 20.True or false: sugar in icy water dissolves faster. (a) True (b) False
  21. 21.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
  22. 22.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) nobody needs to (c) a friend who is running (d) a grown-up
  23. 23.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) a comb (c) a clock or timer (d) sugar
  24. 24.🥄 Which of these dissolves in water? (a) baking soda (b) small pebbles (c) sand (d) chalk powder
  25. 25.🧺 Do we need a mirror for the dissolving test? (a) needed (b) not needed
  26. 26.🛟 How should you check if the sugar has dissolved? (a) look for leftover grains (b) smell it closely (c) poke it with a finger (d) taste it
  27. 27.True or false: cotton wool is not needed for the dissolving test. (a) True (b) False
  28. 28.🔍 Sand is stirred into water. What do you see after a while? (a) it turns blue (b) it dissolves (c) it settles at the bottom (d) it floats up
  29. 29.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) a magnet (c) warm water (d) cold water
  30. 30.⚖️ 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 change it (c) we keep it the same
  31. 31.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
  32. 32.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) honey (b) two clear glasses (c) sugar (d) warm water
  33. 33.True or false: sugar does not dissolve in water. (a) False (b) True
  34. 34.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) two clear glasses (c) a clock or timer (d) a mirror
  35. 35.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a rainbow (c) a solution (d) a magnet
  36. 36.True or false: baking soda does not dissolve in water. (a) True (b) False
  37. 37.🥄 Does small pebbles dissolve in water? (a) does not dissolve (b) dissolves in water
  38. 38.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is the one thing we change. (a) False (b) True
  39. 39.🔍 Which is the odd one out? (a) sugar (b) cooking oil (c) sand (d) sawdust
  40. 40.True or false: sugar left unstirred dissolves slower. (a) False (b) True

Answer key

  1. True
  2. we change it
  3. some stays undissolved
  4. powdered sugar
  5. table salt
  6. faster
  7. True
  8. faster
  9. faster
  10. dissolves in water
  11. glucose powder
  12. False
  13. needed
  14. False
  15. True
  16. a mirror
  17. sugar in icy water
  18. particles move faster
  19. table salt
  20. False
  21. needed
  22. a grown-up
  23. a comb
  24. baking soda
  25. not needed
  26. look for leftover grains
  27. True
  28. it settles at the bottom
  29. a magnet
  30. we keep it the same
  31. dissolves in water
  32. honey
  33. False
  34. a mirror
  35. a solution
  36. False
  37. does not dissolve
  38. False
  39. sugar
  40. True

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