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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 264 · 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.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is what we measure. (a) True (b) False
  2. 2.🔮 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
  3. 3.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a balloon (b) cold water (c) sugar (d) a teaspoon
  4. 4.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we keep it the same (b) we measure it (c) we change it
  5. 5.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
  6. 6.🔍 Which is the odd one out? (a) food colour (b) chalk powder (c) small pebbles (d) sand
  7. 7.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
  8. 8.🥄 Does food colour dissolve in water? (a) dissolves in water (b) does not dissolve
  9. 9.True or false: a clock or timer is not needed for the dissolving test. (a) True (b) False
  10. 10.⚖️ 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 amount of water (c) the water temperature
  11. 11.🥄 Which of these does not dissolve in water? (a) baking soda (b) sugar (c) chalk powder (d) glucose powder
  12. 12.True or false: cotton wool is not needed for the dissolving test. (a) False (b) True
  13. 13.True or false: a big sugar cube dissolves faster. (a) False (b) True
  14. 14.🥄 Does sand dissolve in water? (a) dissolves in water (b) does not dissolve
  15. 15.True or false: chalk powder dissolves in water. (a) True (b) False
  16. 16.🥄 Does sugar dissolve in water? (a) does not dissolve (b) dissolves in water
  17. 17.🧺 Which of these is needed for the dissolving test? (a) a comb (b) honey (c) a clock or timer (d) a balloon
  18. 18.🧺 Which of these is not needed for the dissolving test? (a) a magnet (b) warm water (c) a teaspoon (d) sugar
  19. 19.🧺 Do we need a comb for the dissolving test? (a) needed (b) not needed
  20. 20.🥄 Which of these does not dissolve in water? (a) small pebbles (b) baking soda (c) sugar (d) food colour
  21. 21.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) slower (b) the same (c) not at all (d) faster
  22. 22.🔮 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) all of it dissolves (d) the sugar turns to salt
  23. 23.🧺 Which of these is needed for the dissolving test? (a) a teaspoon (b) a balloon (c) a mirror (d) a comb
  24. 24.🥄 Which of these dissolves faster? (a) sugar in icy water (b) a big sugar cube (c) sugar left unstirred (d) powdered sugar
  25. 25.📘 What do we call water with sugar dissolved in it? (a) a magnet (b) a rainbow (c) a crystal (d) a solution
  26. 26.🥄 Which of these dissolves in water? (a) chalk powder (b) glucose powder (c) sawdust (d) small pebbles
  27. 27.True or false: sugar does not dissolve in water. (a) True (b) False
  28. 28.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) two clear glasses (c) a clock or timer (d) cotton wool
  29. 29.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) two clear glasses (c) warm water (d) a mirror
  30. 30.🛟 Who should pour the warm water in the dissolving test? (a) a grown-up (b) nobody needs to (c) a friend who is running (d) the youngest child
  31. 31.True or false: sawdust dissolves in water. (a) True (b) False
  32. 32.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) sugar (c) honey (d) two clear glasses
  33. 33.🥄 Which of these dissolves in water? (a) sand (b) baking soda (c) small pebbles (d) cooking oil
  34. 34.🥄 Why does sugar dissolve faster in warm water? (a) particles move faster (b) cold water is wet (c) warm water is thicker (d) sugar likes the dark
  35. 35.True or false: a balloon is needed for the dissolving test. (a) False (b) True
  36. 36.True or false: sugar in warm water dissolves slower. (a) False (b) True
  37. 37.True or false: sugar left unstirred dissolves slower. (a) True (b) False
  38. 38.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
  39. 39.True or false: cotton wool is needed for the dissolving test. (a) False (b) True
  40. 40.True or false: a comb is not needed for the dissolving test. (a) True (b) False

Answer key

  1. False
  2. powdered sugar
  3. a balloon
  4. we change it
  5. does not dissolve
  6. food colour
  7. needed
  8. dissolves in water
  9. False
  10. the amount of water
  11. chalk powder
  12. True
  13. False
  14. does not dissolve
  15. False
  16. dissolves in water
  17. a clock or timer
  18. a magnet
  19. not needed
  20. small pebbles
  21. faster
  22. some stays undissolved
  23. a teaspoon
  24. powdered sugar
  25. a solution
  26. glucose powder
  27. False
  28. cotton wool
  29. a mirror
  30. a grown-up
  31. False
  32. honey
  33. baking soda
  34. particles move faster
  35. False
  36. False
  37. True
  38. needed
  39. False
  40. True

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