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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 211 · 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 amount of water is what we measure. (a) False (b) True
  2. 2.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) cold water (c) a magnet (d) a teaspoon
  3. 3.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) a comb (c) sugar (d) a teaspoon
  4. 4.🔍 Which is the odd one out? (a) cooking oil (b) sugar (c) baking soda (d) food colour
  5. 5.True or false: a big sugar cube dissolves slower. (a) False (b) True
  6. 6.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar in icy water (c) sugar left unstirred (d) powdered sugar
  7. 7.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) two clear glasses (c) a magnet (d) cold water
  8. 8.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) warm water (c) honey (d) two clear glasses
  9. 9.⚖️ 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 change it (c) we keep it the same
  10. 10.🔍 How can you get the salt back from salty water? (a) keep it in a fridge (b) let the water evaporate (c) stir it more (d) add more water
  11. 11.True or false: two clear glasses is needed for the dissolving test. (a) False (b) True
  12. 12.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
  13. 13.🔍 Which is the odd one out? (a) cooking oil (b) table salt (c) chalk powder (d) small pebbles
  14. 14.🧺 Do we need a mirror for the dissolving test? (a) not needed (b) needed
  15. 15.🥄 Does small pebbles dissolve in water? (a) dissolves in water (b) does not dissolve
  16. 16.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
  17. 17.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is the one thing we change. (a) True (b) False
  18. 18.True or false: honey is not needed for the dissolving test. (a) False (b) True
  19. 19.🥄 Which of these dissolves in water? (a) sand (b) sugar (c) cooking oil (d) sawdust
  20. 20.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the kind of sugar (b) time to dissolve (c) the water temperature (d) the amount of sugar
  21. 21.True or false: chalk powder dissolves in water. (a) False (b) True
  22. 22.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a mirror (b) a clock or timer (c) sugar (d) two clear glasses
  23. 23.🔍 Which is the odd one out? (a) baking soda (b) sand (c) small pebbles (d) chalk powder
  24. 24.True or false: a teaspoon is not needed for the dissolving test. (a) False (b) True
  25. 25.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) poke it with a finger (c) taste it (d) look for leftover grains
  26. 26.True or false: chalk powder does not dissolve in water. (a) False (b) True
  27. 27.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a clock or timer (c) a teaspoon (d) a balloon
  28. 28.🥄 Which of these dissolves slower? (a) sugar stirred well (b) powdered sugar (c) sugar in warm water (d) a big sugar cube
  29. 29.True or false: sawdust 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 sugar”? (a) we keep it the same (b) we measure it (c) we change it
  31. 31.🥄 Which of these dissolves in water? (a) baking soda (b) sand (c) cooking oil (d) small pebbles
  32. 32.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) sugar (c) a balloon (d) a clock or timer
  33. 33.True or false: powdered sugar dissolves faster. (a) False (b) True
  34. 34.🥄 Which of these dissolves faster? (a) sugar in icy water (b) a big sugar cube (c) sugar in warm water (d) sugar left unstirred
  35. 35.🧺 Do we need warm water for the dissolving test? (a) not needed (b) needed
  36. 36.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
  37. 37.True or false: warm water is not needed for the dissolving test. (a) False (b) True
  38. 38.🛟 Who should pour the warm water in the dissolving test? (a) nobody needs to (b) a friend who is running (c) the youngest child (d) a grown-up
  39. 39.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
  40. 40.⚖️ 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) True (b) False

Answer key

  1. False
  2. a magnet
  3. a comb
  4. cooking oil
  5. True
  6. powdered sugar
  7. a magnet
  8. honey
  9. we measure it
  10. let the water evaporate
  11. True
  12. needed
  13. table salt
  14. not needed
  15. does not dissolve
  16. faster
  17. True
  18. True
  19. sugar
  20. the water temperature
  21. False
  22. a mirror
  23. baking soda
  24. False
  25. look for leftover grains
  26. True
  27. a balloon
  28. a big sugar cube
  29. True
  30. we keep it the same
  31. baking soda
  32. a balloon
  33. True
  34. sugar in warm water
  35. needed
  36. dissolves in water
  37. False
  38. a grown-up
  39. dissolves in water
  40. True

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