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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 535 · 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.🧺 Which of these is needed for the dissolving test? (a) honey (b) a magnet (c) a balloon (d) sugar
  2. 2.🥄 Which of these dissolves in water? (a) glucose powder (b) small pebbles (c) cooking oil (d) chalk powder
  3. 3.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) a teaspoon (c) a balloon (d) cold water
  4. 4.🥄 Which of these dissolves slower? (a) a big sugar cube (b) sugar in warm water (c) powdered sugar (d) sugar stirred well
  5. 5.🔍 Sand is stirred into water. What do you see after a while? (a) it dissolves (b) it turns blue (c) it settles at the bottom (d) it floats up
  6. 6.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) sugar (c) a clock or timer (d) a mirror
  7. 7.🧺 Do we need a mirror for the dissolving test? (a) not needed (b) needed
  8. 8.True or false: sugar is needed for the dissolving test. (a) True (b) False
  9. 9.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is the one thing we change. (a) True (b) False
  10. 10.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
  11. 11.True or false: two clear glasses is needed for the dissolving test. (a) False (b) True
  12. 12.🥄 Does cooking oil dissolve in water? (a) does not dissolve (b) dissolves in water
  13. 13.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we keep it the same (b) we change it (c) we measure it
  14. 14.🥄 Which of these dissolves in water? (a) chalk powder (b) baking soda (c) sand (d) cooking oil
  15. 15.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
  16. 16.True or false: sugar in icy water dissolves faster. (a) False (b) True
  17. 17.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we keep it the same (b) we change it (c) we measure it
  18. 18.🥄 Which of these dissolves in water? (a) sand (b) sawdust (c) food colour (d) chalk powder
  19. 19.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
  20. 20.🛟 How should you check if the sugar has dissolved? (a) taste it (b) poke it with a finger (c) smell it closely (d) look for leftover grains
  21. 21.🔍 How can you get the salt back from salty water? (a) keep it in a fridge (b) let the water evaporate (c) add more water (d) stir it more
  22. 22.True or false: a teaspoon is needed for the dissolving test. (a) False (b) True
  23. 23.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we change it (b) we keep it the same (c) we measure it
  24. 24.True or false: baking soda dissolves in water. (a) True (b) False
  25. 25.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) the sugar cube (b) both the same (c) neither of them (d) powdered sugar
  26. 26.True or false: a teaspoon is not needed for the dissolving test. (a) False (b) True
  27. 27.🛟 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
  28. 28.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
  29. 29.True or false: warm water is not needed for the dissolving test. (a) False (b) True
  30. 30.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is the one thing we change. (a) False (b) True
  31. 31.🧺 Do we need a magnet for the dissolving test? (a) needed (b) not needed
  32. 32.True or false: a mirror is not needed for the dissolving test. (a) True (b) False
  33. 33.True or false: sugar in icy water dissolves slower. (a) False (b) True
  34. 34.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) sugar (c) two clear glasses (d) honey
  35. 35.🔍 Which is the odd one out? (a) glucose powder (b) table salt (c) sugar (d) sawdust
  36. 36.🔍 Which is the odd one out? (a) sugar (b) sand (c) food colour (d) glucose powder
  37. 37.🧺 Which of these is needed for the dissolving test? (a) honey (b) warm water (c) cotton wool (d) a balloon
  38. 38.🥄 Which of these dissolves faster? (a) powdered sugar (b) sugar in icy water (c) sugar left unstirred (d) a big sugar cube
  39. 39.True or false: two clear glasses is not needed for the dissolving test. (a) False (b) True
  40. 40.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower

Answer key

  1. sugar
  2. glucose powder
  3. a balloon
  4. a big sugar cube
  5. it settles at the bottom
  6. a mirror
  7. not needed
  8. True
  9. False
  10. needed
  11. True
  12. does not dissolve
  13. we measure it
  14. baking soda
  15. needed
  16. False
  17. we keep it the same
  18. food colour
  19. needed
  20. look for leftover grains
  21. let the water evaporate
  22. True
  23. we keep it the same
  24. True
  25. powdered sugar
  26. False
  27. a grown-up
  28. slower
  29. False
  30. False
  31. not needed
  32. True
  33. True
  34. honey
  35. sawdust
  36. sand
  37. warm water
  38. powdered sugar
  39. False
  40. faster

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