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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 899 · 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.True or false: table salt does not dissolve in water. (a) False (b) True
  2. 2.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
  3. 3.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) sugar (c) a magnet (d) a teaspoon
  4. 4.True or false: sawdust dissolves in water. (a) False (b) True
  5. 5.🛟 How should you check if the sugar has dissolved? (a) taste it (b) look for leftover grains (c) smell it closely (d) poke it with a finger
  6. 6.🔍 Which is the odd one out? (a) sand (b) cooking oil (c) baking soda (d) chalk powder
  7. 7.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) a comb (c) warm water (d) cold water
  8. 8.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is what we measure. (a) False (b) True
  9. 9.True or false: cotton wool is not needed for the dissolving test. (a) True (b) False
  10. 10.🥄 Which of these dissolves in water? (a) cooking oil (b) small pebbles (c) glucose powder (d) sand
  11. 11.🥄 Which of these dissolves faster? (a) sugar in icy water (b) sugar left unstirred (c) a big sugar cube (d) sugar stirred well
  12. 12.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) honey (c) cold water (d) a balloon
  13. 13.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the water temperature (b) the kind of sugar (c) time to dissolve
  14. 14.True or false: a magnet is needed for the dissolving test. (a) False (b) True
  15. 15.⚖️ 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 measure it (c) we change it
  16. 16.🛟 Who should pour the warm water in the dissolving test? (a) a friend who is running (b) a grown-up (c) nobody needs to (d) the youngest child
  17. 17.🥄 Which of these dissolves slower? (a) sugar in warm water (b) sugar left unstirred (c) powdered sugar (d) sugar stirred well
  18. 18.🧺 Do we need sugar for the dissolving test? (a) needed (b) not needed
  19. 19.🧺 Do we need honey for the dissolving test? (a) not needed (b) needed
  20. 20.True or false: powdered sugar dissolves slower. (a) True (b) False
  21. 21.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) a balloon (c) two clear glasses (d) sugar
  22. 22.True or false: powdered sugar dissolves faster. (a) False (b) True
  23. 23.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is kept the same. (a) False (b) True
  24. 24.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) faster (c) the same (d) slower
  25. 25.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar stirred well (c) a big sugar cube (d) sugar in warm water
  26. 26.🥄 Why does sugar dissolve faster in warm water? (a) cold water is wet (b) sugar likes the dark (c) warm water is thicker (d) particles move faster
  27. 27.🔍 Which is the odd one out? (a) table salt (b) chalk powder (c) baking soda (d) food colour
  28. 28.True or false: sugar in icy water dissolves slower. (a) True (b) False
  29. 29.True or false: sand does not dissolve in water. (a) False (b) True
  30. 30.⚖️ 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
  31. 31.🥄 Which of these dissolves in water? (a) chalk powder (b) cooking oil (c) small pebbles (d) baking soda
  32. 32.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
  33. 33.⚖️ 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) False (b) True
  34. 34.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) two clear glasses (c) cotton wool (d) sugar
  35. 35.🔍 Which is the odd one out? (a) sawdust (b) sand (c) table salt (d) small pebbles
  36. 36.True or false: a balloon is needed for the dissolving test. (a) False (b) True
  37. 37.🥄 Does sugar left unstirred dissolve faster or slower? (a) faster (b) slower
  38. 38.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar left unstirred (c) sugar in icy water (d) powdered sugar
  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 amount of sugar (b) the kind of sugar (c) the water temperature (d) the amount of water
  40. 40.📘 What do we call water with sugar dissolved in it? (a) a magnet (b) a solution (c) a crystal (d) a rainbow

Answer key

  1. False
  2. slower
  3. a magnet
  4. False
  5. look for leftover grains
  6. baking soda
  7. a comb
  8. False
  9. True
  10. glucose powder
  11. sugar stirred well
  12. cold water
  13. the kind of sugar
  14. False
  15. we measure it
  16. a grown-up
  17. sugar left unstirred
  18. needed
  19. not needed
  20. False
  21. a balloon
  22. True
  23. False
  24. faster
  25. a big sugar cube
  26. particles move faster
  27. chalk powder
  28. True
  29. True
  30. we keep it the same
  31. baking soda
  32. needed
  33. False
  34. cotton wool
  35. table salt
  36. False
  37. slower
  38. powdered sugar
  39. the water temperature
  40. a solution

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