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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 870 · 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 food colour dissolve in water? (a) does not dissolve (b) dissolves in water
  2. 2.🛟 How should you check if the sugar has dissolved? (a) look for leftover grains (b) smell it closely (c) taste it (d) poke it with a finger
  3. 3.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) honey (c) two clear glasses (d) a teaspoon
  4. 4.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) neither of them (b) both the same (c) the sugar cube (d) powdered sugar
  5. 5.🧺 Do we need a comb for the dissolving test? (a) needed (b) not needed
  6. 6.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) faster (c) slower (d) the same
  7. 7.🔍 Which is the odd one out? (a) small pebbles (b) cooking oil (c) chalk powder (d) sugar
  8. 8.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) time to dissolve (b) the water temperature (c) the kind of sugar
  9. 9.True or false: a big sugar cube dissolves slower. (a) False (b) True
  10. 10.🥄 Which of these dissolves in water? (a) small pebbles (b) food colour (c) chalk powder (d) sand
  11. 11.🔍 Which is the odd one out? (a) cooking oil (b) food colour (c) glucose powder (d) table salt
  12. 12.True or false: powdered sugar dissolves faster. (a) True (b) False
  13. 13.🥄 Does a big sugar cube dissolve faster or slower? (a) slower (b) faster
  14. 14.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) cotton wool (c) two clear glasses (d) a comb
  15. 15.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we measure it (b) we keep it the same (c) we change it
  16. 16.True or false: a big sugar cube dissolves faster. (a) False (b) True
  17. 17.🔍 Which is the odd one out? (a) table salt (b) sawdust (c) baking soda (d) food colour
  18. 18.🛟 Who should pour the warm water in the dissolving test? (a) nobody needs to (b) a grown-up (c) the youngest child (d) a friend who is running
  19. 19.🔍 Sand is stirred into water. What do you see after a while? (a) it turns blue (b) it settles at the bottom (c) it dissolves (d) it floats up
  20. 20.True or false: powdered sugar dissolves slower. (a) False (b) True
  21. 21.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
  22. 22.🥄 Which of these does not dissolve in water? (a) baking soda (b) sand (c) sugar (d) table salt
  23. 23.🔍 Which is the odd one out? (a) food colour (b) glucose powder (c) sand (d) baking soda
  24. 24.🥄 Does sugar left unstirred dissolve faster or slower? (a) slower (b) faster
  25. 25.True or false: sugar is not needed for the dissolving test. (a) False (b) True
  26. 26.🥄 Which of these does not dissolve in water? (a) sugar (b) table salt (c) food colour (d) chalk powder
  27. 27.True or false: small pebbles dissolves in water. (a) True (b) False
  28. 28.⚖️ 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
  29. 29.🧺 Which of these is not needed for the dissolving test? (a) a balloon (b) sugar (c) cold water (d) warm water
  30. 30.🥄 Which of these does not dissolve in water? (a) table salt (b) small pebbles (c) sugar (d) baking soda
  31. 31.True or false: sand does not dissolve in water. (a) True (b) False
  32. 32.🧺 Which of these is needed for the dissolving test? (a) sugar (b) a comb (c) a magnet (d) a balloon
  33. 33.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
  34. 34.True or false: a teaspoon is not needed for the dissolving test. (a) True (b) False
  35. 35.⚖️ 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
  36. 36.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in warm water (c) sugar stirred well (d) a big sugar cube
  37. 37.🧺 Which of these is needed for the dissolving test? (a) warm water (b) honey (c) a mirror (d) a magnet
  38. 38.True or false: sand dissolves in water. (a) False (b) True
  39. 39.📘 What do we call water with sugar dissolved in it? (a) a rainbow (b) a solution (c) a crystal (d) a magnet
  40. 40.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a magnet (c) a clock or timer (d) sugar

Answer key

  1. dissolves in water
  2. look for leftover grains
  3. honey
  4. powdered sugar
  5. not needed
  6. faster
  7. sugar
  8. the kind of sugar
  9. True
  10. food colour
  11. cooking oil
  12. True
  13. slower
  14. two clear glasses
  15. we keep it the same
  16. False
  17. sawdust
  18. a grown-up
  19. it settles at the bottom
  20. False
  21. dissolves in water
  22. sand
  23. sand
  24. slower
  25. False
  26. chalk powder
  27. False
  28. we keep it the same
  29. a balloon
  30. small pebbles
  31. True
  32. sugar
  33. slower
  34. False
  35. True
  36. a big sugar cube
  37. warm water
  38. False
  39. a solution
  40. a magnet

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