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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 695 · 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 sugar in icy water dissolve faster or slower? (a) faster (b) slower
  2. 2.True or false: sugar left unstirred dissolves slower. (a) False (b) True
  3. 3.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
  4. 4.⚖️ 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 stirring
  5. 5.⚖️ 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
  6. 6.True or false: honey is not needed for the dissolving test. (a) False (b) True
  7. 7.🧺 Which of these is needed for the dissolving test? (a) cold water (b) a comb (c) a magnet (d) honey
  8. 8.🔍 Which is the odd one out? (a) small pebbles (b) sand (c) glucose powder (d) cooking oil
  9. 9.🥄 Which of these dissolves in water? (a) baking soda (b) chalk powder (c) sand (d) cooking oil
  10. 10.🥄 Does glucose powder dissolve in water? (a) dissolves in water (b) does not dissolve
  11. 11.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a balloon (b) sugar (c) warm water (d) two clear glasses
  12. 12.🔍 Which is the odd one out? (a) small pebbles (b) food colour (c) sand (d) chalk powder
  13. 13.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) a balloon (c) warm water (d) sugar
  14. 14.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) warm water (c) cotton wool (d) two clear glasses
  15. 15.🥄 Which of these dissolves slower? (a) a big sugar cube (b) sugar in warm water (c) powdered sugar (d) sugar stirred well
  16. 16.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) nobody needs to (c) a friend who is running (d) a grown-up
  17. 17.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is kept the same. (a) False (b) True
  18. 18.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
  19. 19.True or false: a teaspoon is not needed for the dissolving test. (a) False (b) True
  20. 20.True or false: sugar does not dissolve in water. (a) False (b) True
  21. 21.🥄 Which of these dissolves in water? (a) sand (b) food colour (c) cooking oil (d) small pebbles
  22. 22.True or false: baking soda does not dissolve in water. (a) True (b) False
  23. 23.🧺 Do we need sugar for the dissolving test? (a) needed (b) not needed
  24. 24.🥄 Which of these dissolves in water? (a) chalk powder (b) sand (c) sugar (d) sawdust
  25. 25.⚖️ 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
  26. 26.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we measure it (b) we change it (c) we keep it the same
  27. 27.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we measure it (b) we keep it the same (c) we change it
  28. 28.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) time to dissolve (b) the amount of water (c) the water temperature (d) the stirring
  29. 29.📘 What do we call water with sugar dissolved in it? (a) a rainbow (b) a solution (c) a magnet (d) a crystal
  30. 30.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) the sugar cube (b) powdered sugar (c) neither of them (d) both the same
  31. 31.🥄 Which of these dissolves faster? (a) powdered sugar (b) sugar left unstirred (c) sugar in icy water (d) a big sugar cube
  32. 32.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
  33. 33.True or false: sugar in warm water dissolves slower. (a) False (b) True
  34. 34.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) two clear glasses (c) cotton wool (d) cold water
  35. 35.True or false: powdered sugar dissolves faster. (a) False (b) True
  36. 36.🧺 Which of these is not needed for the dissolving test? (a) honey (b) a clock or timer (c) a teaspoon (d) warm water
  37. 37.True or false: cotton wool is needed for the dissolving test. (a) True (b) False
  38. 38.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) a mirror (c) honey (d) a teaspoon
  39. 39.True or false: a balloon is needed for the dissolving test. (a) False (b) True
  40. 40.🥄 Does table salt dissolve in water? (a) does not dissolve (b) dissolves in water

Answer key

  1. slower
  2. True
  3. slower
  4. the stirring
  5. True
  6. True
  7. cold water
  8. glucose powder
  9. baking soda
  10. dissolves in water
  11. a balloon
  12. food colour
  13. a balloon
  14. cotton wool
  15. a big sugar cube
  16. a grown-up
  17. True
  18. dissolves in water
  19. False
  20. False
  21. food colour
  22. False
  23. needed
  24. sugar
  25. False
  26. we change it
  27. we measure it
  28. the water temperature
  29. a solution
  30. powdered sugar
  31. powdered sugar
  32. needed
  33. False
  34. cotton wool
  35. True
  36. honey
  37. False
  38. a teaspoon
  39. False
  40. dissolves in water

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