← 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 190 · 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) poke it with a finger (c) taste it (d) smell it closely
  2. 2.True or false: sugar in warm water dissolves slower. (a) False (b) True
  3. 3.🔍 Which is the odd one out? (a) food colour (b) glucose powder (c) sand (d) sugar
  4. 4.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
  5. 5.🧺 Do we need a clock or timer for the dissolving test? (a) not needed (b) needed
  6. 6.🧺 Do we need cold water for the dissolving test? (a) needed (b) not needed
  7. 7.🥄 Which of these dissolves in water? (a) sand (b) sugar (c) chalk powder (d) small pebbles
  8. 8.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
  9. 9.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar stirred well (c) sugar left unstirred (d) sugar in warm water
  10. 10.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we keep it the same (b) we change it (c) we measure it
  11. 11.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we change it (b) we measure it (c) we keep it the same
  12. 12.🥄 Does small pebbles dissolve in water? (a) dissolves in water (b) does not dissolve
  13. 13.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is what we measure. (a) True (b) False
  14. 14.🔮 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
  15. 15.True or false: warm water is not needed for the dissolving test. (a) False (b) True
  16. 16.True or false: powdered sugar dissolves slower. (a) True (b) False
  17. 17.🛟 Who should pour the warm water in the dissolving test? (a) nobody needs to (b) the youngest child (c) a friend who is running (d) a grown-up
  18. 18.True or false: sugar left unstirred dissolves slower. (a) False (b) True
  19. 19.True or false: food colour does not dissolve in water. (a) False (b) True
  20. 20.🥄 Which of these does not dissolve in water? (a) sugar (b) sawdust (c) baking soda (d) food colour
  21. 21.True or false: chalk powder does not dissolve in water. (a) False (b) True
  22. 22.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) a comb (c) two clear glasses (d) a clock or timer
  23. 23.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a mirror (c) a teaspoon (d) warm water
  24. 24.True or false: cotton wool is needed for the dissolving test. (a) True (b) False
  25. 25.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a solution (c) a magnet (d) a rainbow
  26. 26.True or false: cooking oil does not dissolve in water. (a) False (b) True
  27. 27.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) honey (c) two clear glasses (d) a balloon
  28. 28.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) cotton wool (c) warm water (d) a teaspoon
  29. 29.🥄 Which of these dissolves faster? (a) sugar in icy water (b) a big sugar cube (c) sugar left unstirred (d) sugar stirred well
  30. 30.True or false: a teaspoon is not needed for the dissolving test. (a) False (b) True
  31. 31.True or false: a mirror is needed for the dissolving test. (a) False (b) True
  32. 32.True or false: sugar does not dissolve in water. (a) True (b) False
  33. 33.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) two clear glasses (c) a clock or timer (d) honey
  34. 34.🧺 Do we need sugar for the dissolving test? (a) needed (b) not needed
  35. 35.True or false: a balloon is not needed for the dissolving test. (a) False (b) True
  36. 36.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
  37. 37.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) a magnet (c) sugar (d) a clock or timer
  38. 38.🧺 Do we need a comb for the dissolving test? (a) not needed (b) needed
  39. 39.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) two clear glasses (c) a teaspoon (d) a magnet
  40. 40.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster

Answer key

  1. look for leftover grains
  2. False
  3. sand
  4. slower
  5. needed
  6. needed
  7. sugar
  8. faster
  9. sugar left unstirred
  10. we keep it the same
  11. we measure it
  12. does not dissolve
  13. True
  14. some stays undissolved
  15. False
  16. False
  17. a grown-up
  18. True
  19. False
  20. sawdust
  21. True
  22. a comb
  23. a mirror
  24. False
  25. a solution
  26. True
  27. two clear glasses
  28. cotton wool
  29. sugar stirred well
  30. False
  31. False
  32. False
  33. honey
  34. needed
  35. True
  36. not needed
  37. a magnet
  38. not needed
  39. a magnet
  40. faster

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