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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 687 · 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: sugar in icy water dissolves slower. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) sugar (b) food colour (c) glucose powder (d) small pebbles
  3. 3.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) sugar (c) honey (d) a teaspoon
  4. 4.🔍 Which is the odd one out? (a) glucose powder (b) sand (c) chalk powder (d) sawdust
  5. 5.📘 What do we call water with sugar dissolved in it? (a) a solution (b) a magnet (c) a crystal (d) a rainbow
  6. 6.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the amount of water (b) the stirring (c) time to dissolve (d) the water temperature
  7. 7.🧺 Do we need a balloon for the dissolving test? (a) needed (b) not needed
  8. 8.True or false: glucose powder does not dissolve in water. (a) False (b) True
  9. 9.⚖️ 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
  10. 10.🛟 How should you check if the sugar has dissolved? (a) look for leftover grains (b) taste it (c) poke it with a finger (d) smell it closely
  11. 11.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the water temperature (b) time to dissolve (c) the amount of sugar
  12. 12.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is kept the same. (a) False (b) True
  13. 13.True or false: a mirror is not needed for the dissolving test. (a) True (b) False
  14. 14.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
  15. 15.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
  16. 16.🔍 Which is the odd one out? (a) baking soda (b) glucose powder (c) cooking oil (d) sugar
  17. 17.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we change it (b) we measure it (c) we keep it the same
  18. 18.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) a magnet (c) sugar (d) a comb
  19. 19.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) warm water (c) a mirror (d) a comb
  20. 20.True or false: cotton wool is needed for the dissolving test. (a) False (b) True
  21. 21.🥄 Does sugar left unstirred dissolve faster or slower? (a) faster (b) slower
  22. 22.🥄 Which of these dissolves in water? (a) sawdust (b) food colour (c) small pebbles (d) chalk powder
  23. 23.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a magnet (b) sugar (c) two clear glasses (d) cold water
  24. 24.🥄 Does a big sugar cube dissolve faster or slower? (a) slower (b) faster
  25. 25.🥄 Why does sugar dissolve faster in warm water? (a) sugar likes the dark (b) particles move faster (c) cold water is wet (d) warm water is thicker
  26. 26.True or false: a teaspoon is not needed for the dissolving test. (a) False (b) True
  27. 27.True or false: glucose powder dissolves in water. (a) False (b) True
  28. 28.🧺 Which of these is needed for the dissolving test? (a) a comb (b) cotton wool (c) a balloon (d) cold water
  29. 29.True or false: sugar does not dissolve in water. (a) True (b) False
  30. 30.True or false: powdered sugar dissolves slower. (a) False (b) True
  31. 31.🥄 Which of these dissolves in water? (a) small pebbles (b) sawdust (c) cooking oil (d) table salt
  32. 32.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in icy water (c) sugar stirred well (d) a big sugar cube
  33. 33.⚖️ 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
  34. 34.🥄 Which of these does not dissolve in water? (a) table salt (b) baking soda (c) sugar (d) cooking oil
  35. 35.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
  36. 36.🔍 Which is the odd one out? (a) chalk powder (b) food colour (c) baking soda (d) glucose powder
  37. 37.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it sank as sand (b) it vanished for ever (c) it became air (d) it spread in the water
  38. 38.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) cotton wool (c) a teaspoon (d) warm water
  39. 39.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) nobody needs to (c) a grown-up (d) a friend who is running
  40. 40.⚖️ 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 amount of water (d) time to dissolve

Answer key

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

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