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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 477 · 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.🧺 Do we need a clock or timer for the dissolving test? (a) not needed (b) needed
  2. 2.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) a magnet (c) warm water (d) a clock or timer
  3. 3.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a solution (c) a rainbow (d) a magnet
  4. 4.🧺 Do we need cotton wool for the dissolving test? (a) needed (b) not needed
  5. 5.True or false: a big sugar cube dissolves faster. (a) True (b) False
  6. 6.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) the water turns solid (b) all of it dissolves (c) the sugar turns to salt (d) some stays undissolved
  7. 7.🧺 Do we need honey for the dissolving test? (a) not needed (b) needed
  8. 8.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a magnet (c) a mirror (d) cold water
  9. 9.⚖️ 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
  10. 10.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
  11. 11.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we change it (b) we measure it (c) we keep it the same
  12. 12.🥄 Why does sugar dissolve faster in warm water? (a) sugar likes the dark (b) particles move faster (c) warm water is thicker (d) cold water is wet
  13. 13.🔍 Which is the odd one out? (a) sugar (b) small pebbles (c) baking soda (d) glucose powder
  14. 14.True or false: a comb is not needed for the dissolving test. (a) False (b) True
  15. 15.🥄 Does sugar left unstirred dissolve faster or slower? (a) slower (b) faster
  16. 16.True or false: warm water is needed for the dissolving test. (a) True (b) False
  17. 17.🥄 Which of these does not dissolve in water? (a) chalk powder (b) table salt (c) sugar (d) baking soda
  18. 18.⚖️ 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
  19. 19.True or false: cooking oil dissolves in water. (a) True (b) False
  20. 20.True or false: sugar is not needed for the dissolving test. (a) False (b) True
  21. 21.🥄 Which of these dissolves faster? (a) powdered sugar (b) a big sugar cube (c) sugar in icy water (d) sugar left unstirred
  22. 22.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) neither of them (c) powdered sugar (d) the sugar cube
  23. 23.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) honey (b) cold water (c) sugar (d) a clock or timer
  24. 24.🧺 Do we need a balloon for the dissolving test? (a) needed (b) not needed
  25. 25.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
  26. 26.🔍 Sand is stirred into water. What do you see after a while? (a) it settles at the bottom (b) it dissolves (c) it floats up (d) it turns blue
  27. 27.🥄 Which of these dissolves in water? (a) sand (b) chalk powder (c) table salt (d) sawdust
  28. 28.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) cold water (c) warm water (d) a magnet
  29. 29.True or false: sawdust does not dissolve in water. (a) False (b) True
  30. 30.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) slower (c) faster (d) the same
  31. 31.🥄 Does a big sugar cube dissolve faster or slower? (a) slower (b) faster
  32. 32.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) sugar (c) a clock or timer (d) a balloon
  33. 33.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
  34. 34.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is the one thing we change. (a) False (b) True
  35. 35.🥄 Which of these does not dissolve in water? (a) baking soda (b) sugar (c) cooking oil (d) food colour
  36. 36.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) warm water (c) cotton wool (d) a teaspoon
  37. 37.🧺 Do we need a mirror for the dissolving test? (a) needed (b) not needed
  38. 38.True or false: a big sugar cube dissolves slower. (a) False (b) True
  39. 39.🥄 Does cooking oil dissolve in water? (a) dissolves in water (b) does not dissolve
  40. 40.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed

Answer key

  1. needed
  2. a magnet
  3. a solution
  4. not needed
  5. False
  6. some stays undissolved
  7. not needed
  8. cold water
  9. we keep it the same
  10. faster
  11. we keep it the same
  12. particles move faster
  13. small pebbles
  14. True
  15. slower
  16. True
  17. chalk powder
  18. we keep it the same
  19. False
  20. False
  21. powdered sugar
  22. powdered sugar
  23. honey
  24. not needed
  25. faster
  26. it settles at the bottom
  27. table salt
  28. a magnet
  29. True
  30. faster
  31. slower
  32. a balloon
  33. dissolves in water
  34. True
  35. cooking oil
  36. cotton wool
  37. not needed
  38. True
  39. does not dissolve
  40. needed

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