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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 399 · 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.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
  2. 2.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) a comb (c) honey (d) a teaspoon
  3. 3.🧺 Do we need a clock or timer for the dissolving test? (a) needed (b) not needed
  4. 4.🧺 Which of these is needed for the dissolving test? (a) sugar (b) a mirror (c) a magnet (d) honey
  5. 5.🥄 Which of these dissolves in water? (a) sand (b) cooking oil (c) small pebbles (d) baking soda
  6. 6.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
  7. 7.True or false: powdered sugar dissolves faster. (a) True (b) False
  8. 8.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) neither of them (b) the sugar cube (c) powdered sugar (d) both the same
  9. 9.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
  10. 10.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) a mirror (c) a balloon (d) a clock or timer
  11. 11.True or false: sugar in icy water dissolves faster. (a) False (b) True
  12. 12.True or false: a teaspoon is needed for the dissolving test. (a) True (b) False
  13. 13.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
  14. 14.🥄 Does glucose powder dissolve in water? (a) does not dissolve (b) dissolves in water
  15. 15.True or false: sugar stirred well dissolves faster. (a) True (b) False
  16. 16.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is kept the same. (a) True (b) False
  17. 17.🥄 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
  18. 18.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
  19. 19.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) cold water (c) a balloon (d) warm water
  20. 20.🧺 Do we need sugar for the dissolving test? (a) needed (b) not needed
  21. 21.True or false: sugar left unstirred dissolves faster. (a) False (b) True
  22. 22.⚖️ 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
  23. 23.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) look for leftover grains (c) taste it (d) poke it with a finger
  24. 24.🛟 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
  25. 25.🥄 Which of these dissolves slower? (a) powdered sugar (b) a big sugar cube (c) sugar in warm water (d) sugar stirred well
  26. 26.🥄 Does cooking oil dissolve in water? (a) does not dissolve (b) dissolves in water
  27. 27.🔍 Which is the odd one out? (a) food colour (b) cooking oil (c) glucose powder (d) sugar
  28. 28.🥄 Does sawdust dissolve in water? (a) does not dissolve (b) dissolves in water
  29. 29.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) time to dissolve (b) the amount of sugar (c) the amount of water (d) the water temperature
  30. 30.🧺 Do we need cotton wool for the dissolving test? (a) needed (b) not needed
  31. 31.🔍 Which is the odd one out? (a) food colour (b) table salt (c) small pebbles (d) baking soda
  32. 32.🥄 Does sand dissolve in water? (a) does not dissolve (b) dissolves in water
  33. 33.🥄 Which of these dissolves slower? (a) sugar in warm water (b) sugar stirred well (c) sugar left unstirred (d) powdered sugar
  34. 34.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is kept the same. (a) False (b) True
  35. 35.🥄 Which of these does not dissolve in water? (a) sugar (b) glucose powder (c) table salt (d) chalk powder
  36. 36.🔍 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
  37. 37.🔍 How can you get the salt back from salty water? (a) stir it more (b) add more water (c) let the water evaporate (d) keep it in a fridge
  38. 38.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar left unstirred (c) sugar stirred well (d) sugar in icy water
  39. 39.⚖️ 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 stirring (c) the amount of sugar (d) the water temperature
  40. 40.🧺 Do we need a magnet for the dissolving test? (a) needed (b) not needed

Answer key

  1. faster
  2. a teaspoon
  3. needed
  4. sugar
  5. baking soda
  6. needed
  7. True
  8. powdered sugar
  9. not needed
  10. a clock or timer
  11. False
  12. True
  13. slower
  14. dissolves in water
  15. True
  16. True
  17. particles move faster
  18. needed
  19. a balloon
  20. needed
  21. False
  22. we keep it the same
  23. look for leftover grains
  24. a grown-up
  25. a big sugar cube
  26. does not dissolve
  27. cooking oil
  28. does not dissolve
  29. time to dissolve
  30. not needed
  31. small pebbles
  32. does not dissolve
  33. sugar left unstirred
  34. True
  35. chalk powder
  36. it settles at the bottom
  37. let the water evaporate
  38. sugar stirred well
  39. the water temperature
  40. not needed

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