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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 815 · 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 mirror for the dissolving test? (a) not needed (b) needed
  2. 2.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is kept the same. (a) False (b) True
  3. 3.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
  4. 4.🧺 Which of these is not needed for the dissolving test? (a) honey (b) two clear glasses (c) a teaspoon (d) warm water
  5. 5.🔍 Which is the odd one out? (a) cooking oil (b) table salt (c) small pebbles (d) sawdust
  6. 6.🥄 Which of these does not dissolve in water? (a) small pebbles (b) sugar (c) food colour (d) baking soda
  7. 7.🔍 Which is the odd one out? (a) baking soda (b) small pebbles (c) cooking oil (d) sand
  8. 8.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is the one thing we change. (a) True (b) False
  9. 9.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
  10. 10.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) a clock or timer (c) honey (d) a magnet
  11. 11.True or false: a mirror is needed for the dissolving test. (a) True (b) False
  12. 12.True or false: powdered sugar dissolves faster. (a) False (b) True
  13. 13.🔍 Which is the odd one out? (a) cooking oil (b) glucose powder (c) small pebbles (d) sawdust
  14. 14.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) the sugar cube (c) powdered sugar (d) neither of them
  15. 15.True or false: small pebbles dissolves in water. (a) True (b) False
  16. 16.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a balloon (b) a clock or timer (c) two clear glasses (d) a teaspoon
  17. 17.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a teaspoon (c) cold water (d) cotton wool
  18. 18.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
  19. 19.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
  20. 20.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) cold water (c) a magnet (d) a clock or timer
  21. 21.True or false: sugar stirred well 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 water”? (a) we keep it the same (b) we change it (c) we measure it
  23. 23.🔍 Which is the odd one out? (a) glucose powder (b) table salt (c) sand (d) sugar
  24. 24.True or false: cotton wool is not needed for the dissolving test. (a) False (b) True
  25. 25.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
  26. 26.🔍 Which is the odd one out? (a) table salt (b) cooking oil (c) glucose powder (d) sugar
  27. 27.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
  28. 28.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
  29. 29.⚖️ 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 measure it (c) we keep it the same
  30. 30.🥄 Which of these dissolves in water? (a) small pebbles (b) food colour (c) cooking oil (d) sawdust
  31. 31.True or false: a clock or timer is not needed for the dissolving test. (a) True (b) False
  32. 32.🧺 Which of these is needed for the dissolving test? (a) a teaspoon (b) a mirror (c) a magnet (d) a balloon
  33. 33.True or false: cold water is needed for the dissolving test. (a) False (b) True
  34. 34.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
  35. 35.True or false: honey is not needed for the dissolving test. (a) False (b) True
  36. 36.⚖️ 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 change it (c) we keep it the same
  37. 37.🥄 Which of these dissolves in water? (a) sawdust (b) table salt (c) chalk powder (d) sand
  38. 38.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) look for leftover grains (c) poke it with a finger (d) taste it
  39. 39.🥄 Which of these dissolves slower? (a) sugar in warm water (b) sugar stirred well (c) sugar in icy water (d) powdered sugar
  40. 40.🛟 Who should pour the warm water in the dissolving test? (a) a grown-up (b) nobody needs to (c) the youngest child (d) a friend who is running

Answer key

  1. not needed
  2. True
  3. needed
  4. honey
  5. table salt
  6. small pebbles
  7. baking soda
  8. False
  9. slower
  10. a clock or timer
  11. False
  12. True
  13. glucose powder
  14. powdered sugar
  15. False
  16. a balloon
  17. cotton wool
  18. needed
  19. does not dissolve
  20. a magnet
  21. True
  22. we keep it the same
  23. sand
  24. True
  25. dissolves in water
  26. cooking oil
  27. faster
  28. not needed
  29. we keep it the same
  30. food colour
  31. False
  32. a teaspoon
  33. True
  34. faster
  35. True
  36. we keep it the same
  37. table salt
  38. look for leftover grains
  39. sugar in icy water
  40. a grown-up

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