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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 415 · 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: food colour does not dissolve in water. (a) False (b) True
  2. 2.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) a clock or timer (c) sugar (d) a magnet
  3. 3.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
  4. 4.🥄 Which of these does not dissolve in water? (a) table salt (b) food colour (c) glucose powder (d) sawdust
  5. 5.True or false: glucose powder does not dissolve in water. (a) True (b) False
  6. 6.🧺 Do we need a balloon for the dissolving test? (a) needed (b) not needed
  7. 7.True or false: warm water is not needed for the dissolving test. (a) False (b) True
  8. 8.True or false: sawdust dissolves in water. (a) False (b) True
  9. 9.🔍 Which is the odd one out? (a) sand (b) chalk powder (c) table salt (d) small pebbles
  10. 10.True or false: a magnet is needed for the dissolving test. (a) False (b) True
  11. 11.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) sugar (c) cold water (d) a comb
  12. 12.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we change it (b) we keep it the same (c) we measure it
  13. 13.True or false: small pebbles dissolves in water. (a) False (b) True
  14. 14.🔍 Which is the odd one out? (a) cooking oil (b) small pebbles (c) glucose powder (d) sand
  15. 15.🔍 Which is the odd one out? (a) food colour (b) sugar (c) cooking oil (d) glucose powder
  16. 16.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
  17. 17.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
  18. 18.⚖️ 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 stirring (c) the water temperature
  19. 19.True or false: glucose powder dissolves in water. (a) False (b) True
  20. 20.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) faster (b) the same (c) not at all (d) slower
  21. 21.⚖️ 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) the water temperature (c) the amount of sugar (d) the amount of water
  22. 22.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) honey (b) sugar (c) a teaspoon (d) a clock or timer
  23. 23.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) sugar (c) a magnet (d) a teaspoon
  24. 24.🥄 Does sand dissolve in water? (a) does not dissolve (b) dissolves in water
  25. 25.⚖️ 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
  26. 26.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
  27. 27.🔍 Which is the odd one out? (a) chalk powder (b) sawdust (c) cooking oil (d) sugar
  28. 28.True or false: sand dissolves in water. (a) True (b) False
  29. 29.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the kind of sugar (b) the amount of water (c) time to dissolve (d) the stirring
  30. 30.True or false: sugar is not needed for the dissolving test. (a) False (b) True
  31. 31.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) cotton wool (c) cold water (d) sugar
  32. 32.True or false: cotton wool is needed for the dissolving test. (a) True (b) False
  33. 33.📘 What do we call water with sugar dissolved in it? (a) a magnet (b) a solution (c) a crystal (d) a rainbow
  34. 34.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we change it (b) we keep it the same (c) we measure it
  35. 35.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) a teaspoon (c) a mirror (d) two clear glasses
  36. 36.🧺 Do we need cold water for the dissolving test? (a) needed (b) not needed
  37. 37.🥄 Which of these does not dissolve in water? (a) glucose powder (b) sand (c) table salt (d) food colour
  38. 38.🛟 Who should pour the warm water in the dissolving test? (a) nobody needs to (b) a grown-up (c) a friend who is running (d) the youngest child
  39. 39.⚖️ 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) True (b) False
  40. 40.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) two clear glasses (c) a comb (d) a mirror

Answer key

  1. False
  2. a magnet
  3. dissolves in water
  4. sawdust
  5. False
  6. not needed
  7. False
  8. False
  9. table salt
  10. False
  11. a comb
  12. we change it
  13. False
  14. glucose powder
  15. cooking oil
  16. needed
  17. not needed
  18. the stirring
  19. True
  20. faster
  21. the water temperature
  22. honey
  23. a magnet
  24. does not dissolve
  25. False
  26. faster
  27. sugar
  28. False
  29. time to dissolve
  30. False
  31. cotton wool
  32. False
  33. a solution
  34. we keep it the same
  35. a mirror
  36. needed
  37. sand
  38. a grown-up
  39. True
  40. two clear glasses

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