← Dissolving sugar: warm vs cold water lesson New set →

Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 658 · 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.🛟 How should you check if the sugar has dissolved? (a) look for leftover grains (b) smell it closely (c) taste it (d) poke it with a finger
  2. 2.🧺 Which of these is needed for the dissolving test? (a) a comb (b) a mirror (c) a magnet (d) two clear glasses
  3. 3.🥄 Which of these dissolves slower? (a) sugar stirred well (b) sugar in icy water (c) sugar in warm water (d) powdered sugar
  4. 4.🔍 Which is the odd one out? (a) sugar (b) table salt (c) food colour (d) sand
  5. 5.🧺 Do we need a mirror for the dissolving test? (a) not needed (b) needed
  6. 6.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) two clear glasses (c) warm water (d) honey
  7. 7.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) time to dissolve (b) the amount of sugar (c) the stirring (d) the water temperature
  8. 8.True or false: sugar in warm water dissolves faster. (a) False (b) True
  9. 9.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
  10. 10.🔍 Which is the odd one out? (a) sugar (b) small pebbles (c) table salt (d) baking soda
  11. 11.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) slower (b) not at all (c) faster (d) the same
  12. 12.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) nobody needs to (c) a grown-up (d) a friend who is running
  13. 13.⚖️ 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
  14. 14.🥄 Which of these dissolves in water? (a) chalk powder (b) cooking oil (c) small pebbles (d) sugar
  15. 15.🥄 Does cooking oil dissolve in water? (a) does not dissolve (b) dissolves in water
  16. 16.⚖️ 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 amount of water (c) time to dissolve (d) the water temperature
  17. 17.🥄 Does sawdust dissolve in water? (a) does not dissolve (b) dissolves in water
  18. 18.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it became air (b) it vanished for ever (c) it sank as sand (d) it spread in the water
  19. 19.🔍 Sand is stirred into water. What do you see after a while? (a) it turns blue (b) it dissolves (c) it settles at the bottom (d) it floats up
  20. 20.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
  21. 21.⚖️ 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
  22. 22.🔍 Which is the odd one out? (a) chalk powder (b) sand (c) small pebbles (d) sugar
  23. 23.True or false: cold water is not needed for the dissolving test. (a) True (b) False
  24. 24.🥄 Which of these does not dissolve in water? (a) food colour (b) baking soda (c) sand (d) sugar
  25. 25.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
  26. 26.True or false: two clear glasses is needed for the dissolving test. (a) True (b) False
  27. 27.⚖️ 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 stirring
  28. 28.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is what we measure. (a) True (b) False
  29. 29.True or false: a comb is needed for the dissolving test. (a) True (b) False
  30. 30.🥄 Why does sugar dissolve faster in warm water? (a) sugar likes the dark (b) warm water is thicker (c) cold water is wet (d) particles move faster
  31. 31.🔍 Which is the odd one out? (a) glucose powder (b) sugar (c) table salt (d) sawdust
  32. 32.🧺 Which of these is not needed for the dissolving test? (a) a mirror (b) a clock or timer (c) two clear glasses (d) warm water
  33. 33.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
  34. 34.🔍 Which is the odd one out? (a) food colour (b) cooking oil (c) table salt (d) sugar
  35. 35.True or false: sugar stirred well dissolves slower. (a) False (b) True
  36. 36.True or false: sugar is needed for the dissolving test. (a) True (b) False
  37. 37.True or false: honey is needed for the dissolving test. (a) True (b) False
  38. 38.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we measure it (b) we change it (c) we keep it the same
  39. 39.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) cold water (c) a magnet (d) warm water
  40. 40.True or false: powdered sugar dissolves faster. (a) False (b) True

Answer key

  1. look for leftover grains
  2. two clear glasses
  3. sugar in icy water
  4. sand
  5. not needed
  6. honey
  7. time to dissolve
  8. True
  9. needed
  10. small pebbles
  11. faster
  12. a grown-up
  13. True
  14. sugar
  15. does not dissolve
  16. the water temperature
  17. does not dissolve
  18. it spread in the water
  19. it settles at the bottom
  20. needed
  21. False
  22. sugar
  23. False
  24. sand
  25. not needed
  26. True
  27. the stirring
  28. False
  29. False
  30. particles move faster
  31. sawdust
  32. a mirror
  33. needed
  34. cooking oil
  35. False
  36. True
  37. False
  38. we keep it the same
  39. a magnet
  40. True

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids