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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 884 · 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.📘 What do we call water with sugar dissolved in it? (a) a magnet (b) a rainbow (c) a crystal (d) a solution
  2. 2.True or false: sugar is not needed for the dissolving test. (a) False (b) True
  3. 3.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
  4. 4.🧺 Which of these is not needed for the dissolving test? (a) a mirror (b) two clear glasses (c) sugar (d) a clock or timer
  5. 5.⚖️ 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) True (b) False
  6. 6.🔍 Which is the odd one out? (a) baking soda (b) small pebbles (c) sawdust (d) cooking oil
  7. 7.True or false: honey is not needed for the dissolving test. (a) False (b) True
  8. 8.True or false: table salt does not dissolve in water. (a) True (b) False
  9. 9.🧺 Do we need a teaspoon for the dissolving test? (a) not needed (b) needed
  10. 10.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
  11. 11.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is the one thing we change. (a) True (b) False
  12. 12.True or false: food colour does not dissolve in water. (a) True (b) False
  13. 13.🥄 Which of these dissolves in water? (a) cooking oil (b) chalk powder (c) sawdust (d) table salt
  14. 14.🔮 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
  15. 15.🥄 Which of these dissolves faster? (a) a big sugar cube (b) powdered sugar (c) sugar left unstirred (d) sugar in icy water
  16. 16.True or false: sawdust does not dissolve in water. (a) True (b) False
  17. 17.True or false: sand dissolves in water. (a) False (b) True
  18. 18.True or false: sugar dissolves in water. (a) True (b) False
  19. 19.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) sugar (c) a balloon (d) two clear glasses
  20. 20.🔍 Which is the odd one out? (a) table salt (b) baking soda (c) sand (d) food colour
  21. 21.🧺 Do we need a magnet for the dissolving test? (a) not needed (b) needed
  22. 22.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the water temperature (b) the kind of sugar (c) the amount of sugar (d) time to dissolve
  23. 23.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) a teaspoon (c) cotton wool (d) warm water
  24. 24.🧺 Which of these is needed for the dissolving test? (a) a teaspoon (b) honey (c) a balloon (d) a magnet
  25. 25.⚖️ 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
  26. 26.🥄 Does glucose powder dissolve in water? (a) dissolves in water (b) does not dissolve
  27. 27.🥄 Which of these does not dissolve in water? (a) baking soda (b) glucose powder (c) table salt (d) sand
  28. 28.🧺 Do we need warm water for the dissolving test? (a) not needed (b) needed
  29. 29.⚖️ 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) False (b) True
  30. 30.True or false: a comb is not needed for the dissolving test. (a) False (b) True
  31. 31.🥄 Which of these dissolves in water? (a) sand (b) sugar (c) sawdust (d) chalk powder
  32. 32.🧺 Which of these is needed for the dissolving test? (a) sugar (b) a comb (c) cotton wool (d) a mirror
  33. 33.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) taste it (c) look for leftover grains (d) poke it with a finger
  34. 34.⚖️ 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
  35. 35.True or false: cotton wool is not needed for the dissolving test. (a) False (b) True
  36. 36.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
  37. 37.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is what we measure. (a) True (b) False
  38. 38.🧺 Do we need a comb for the dissolving test? (a) needed (b) not needed
  39. 39.🥄 Which of these dissolves in water? (a) sawdust (b) glucose powder (c) cooking oil (d) small pebbles
  40. 40.🧺 Which of these is not needed for the dissolving test? (a) honey (b) cold water (c) sugar (d) two clear glasses

Answer key

  1. a solution
  2. False
  3. does not dissolve
  4. a mirror
  5. True
  6. baking soda
  7. True
  8. False
  9. needed
  10. needed
  11. False
  12. False
  13. table salt
  14. powdered sugar
  15. powdered sugar
  16. True
  17. False
  18. True
  19. a balloon
  20. sand
  21. not needed
  22. time to dissolve
  23. cotton wool
  24. a teaspoon
  25. we keep it the same
  26. dissolves in water
  27. sand
  28. needed
  29. False
  30. True
  31. sugar
  32. sugar
  33. look for leftover grains
  34. we keep it the same
  35. True
  36. not needed
  37. False
  38. not needed
  39. glucose powder
  40. honey

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