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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 82 · 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 dissolves in water? (a) chalk powder (b) small pebbles (c) cooking oil (d) sugar
  2. 2.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
  3. 3.🥄 Which of these does not dissolve in water? (a) food colour (b) sugar (c) sand (d) glucose powder
  4. 4.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) neither of them (c) the sugar cube (d) powdered sugar
  5. 5.🥄 Which of these dissolves faster? (a) sugar in icy water (b) powdered sugar (c) sugar left unstirred (d) a big sugar cube
  6. 6.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
  7. 7.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
  8. 8.🥄 Which of these does not dissolve in water? (a) table salt (b) glucose powder (c) small pebbles (d) baking soda
  9. 9.🔍 Which is the odd one out? (a) cooking oil (b) sawdust (c) sugar (d) sand
  10. 10.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) a teaspoon (c) two clear glasses (d) a magnet
  11. 11.⚖️ 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) time to dissolve (c) the amount of water
  12. 12.🔍 Which is the odd one out? (a) sand (b) glucose powder (c) baking soda (d) sugar
  13. 13.True or false: sugar stirred well dissolves faster. (a) False (b) True
  14. 14.True or false: food colour does not dissolve in water. (a) False (b) True
  15. 15.True or false: sugar does not dissolve in water. (a) False (b) True
  16. 16.🧺 Do we need a mirror for the dissolving test? (a) not needed (b) needed
  17. 17.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) a clock or timer (c) cotton wool (d) honey
  18. 18.True or false: sugar in warm water dissolves slower. (a) True (b) False
  19. 19.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) two clear glasses (c) a balloon (d) a teaspoon
  20. 20.True or false: a clock or timer is needed for the dissolving test. (a) True (b) False
  21. 21.True or false: sugar in icy water dissolves slower. (a) False (b) True
  22. 22.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
  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: a mirror is needed for the dissolving test. (a) False (b) True
  25. 25.🥄 Which of these dissolves slower? (a) sugar in warm water (b) sugar stirred well (c) powdered sugar (d) sugar in icy water
  26. 26.🛟 Who should pour the warm water in the dissolving test? (a) a grown-up (b) a friend who is running (c) nobody needs to (d) the youngest child
  27. 27.🛟 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
  28. 28.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) some stays undissolved (b) the water turns solid (c) the sugar turns to salt (d) all of it dissolves
  29. 29.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) a comb (c) cold water (d) two clear glasses
  30. 30.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is what we measure. (a) False (b) True
  31. 31.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
  32. 32.🥄 Why does sugar dissolve faster in warm water? (a) particles move faster (b) sugar likes the dark (c) cold water is wet (d) warm water is thicker
  33. 33.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) a balloon (c) a mirror (d) a teaspoon
  34. 34.🥄 Which of these dissolves in water? (a) sand (b) baking soda (c) small pebbles (d) chalk powder
  35. 35.True or false: cold water is needed for the dissolving test. (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) chalk powder (b) sugar (c) glucose powder (d) baking soda
  37. 37.🧺 Which of these is not needed for the dissolving test? (a) honey (b) two clear glasses (c) warm water (d) sugar
  38. 38.🥄 Which of these does not dissolve in water? (a) sawdust (b) glucose powder (c) sugar (d) baking soda
  39. 39.🔍 Which is the odd one out? (a) sand (b) cooking oil (c) table salt (d) chalk powder
  40. 40.🥄 Which of these dissolves faster? (a) sugar stirred well (b) sugar in icy water (c) sugar left unstirred (d) a big sugar cube

Answer key

  1. sugar
  2. needed
  3. sand
  4. powdered sugar
  5. powdered sugar
  6. faster
  7. faster
  8. small pebbles
  9. sugar
  10. a magnet
  11. the amount of water
  12. sand
  13. True
  14. False
  15. False
  16. not needed
  17. a clock or timer
  18. False
  19. a balloon
  20. True
  21. True
  22. needed
  23. we keep it the same
  24. False
  25. sugar in icy water
  26. a grown-up
  27. look for leftover grains
  28. some stays undissolved
  29. a comb
  30. True
  31. faster
  32. particles move faster
  33. a teaspoon
  34. baking soda
  35. True
  36. chalk powder
  37. honey
  38. sawdust
  39. table salt
  40. sugar stirred well

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