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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 879 · 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.🔍 Which is the odd one out? (a) sand (b) chalk powder (c) sawdust (d) baking soda
  2. 2.🥄 Does sugar dissolve in water? (a) does not dissolve (b) dissolves in water
  3. 3.🧺 Do we need cold water for the dissolving test? (a) needed (b) not needed
  4. 4.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we measure it (b) we keep it the same (c) we change it
  5. 5.🥄 Why does sugar dissolve faster in warm water? (a) sugar likes the dark (b) particles move faster (c) cold water is wet (d) warm water is thicker
  6. 6.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) sugar (c) a balloon (d) two clear glasses
  7. 7.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
  8. 8.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
  9. 9.True or false: sugar in warm water dissolves slower. (a) True (b) False
  10. 10.🧺 Which of these is needed for the dissolving test? (a) honey (b) a mirror (c) sugar (d) a comb
  11. 11.🧺 Do we need a clock or timer for the dissolving test? (a) needed (b) not needed
  12. 12.⚖️ 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 measure it (c) we change it
  13. 13.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
  14. 14.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) honey (c) sugar (d) warm water
  15. 15.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
  16. 16.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) a clock or timer (c) a magnet (d) honey
  17. 17.🥄 Does small pebbles dissolve in water? (a) dissolves in water (b) does not dissolve
  18. 18.🔍 Which is the odd one out? (a) sand (b) sugar (c) small pebbles (d) cooking oil
  19. 19.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) the sugar turns to salt (b) some stays undissolved (c) all of it dissolves (d) the water turns solid
  20. 20.True or false: a big sugar cube dissolves faster. (a) False (b) True
  21. 21.🥄 Which of these dissolves in water? (a) food colour (b) sand (c) sawdust (d) small pebbles
  22. 22.True or false: baking soda dissolves in water. (a) False (b) True
  23. 23.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) a teaspoon (c) a clock or timer (d) a comb
  24. 24.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a teaspoon (c) cotton wool (d) a clock or timer
  25. 25.True or false: a comb is needed for the dissolving test. (a) False (b) True
  26. 26.🔍 Sand is stirred into water. What do you see after a while? (a) it turns blue (b) it settles at the bottom (c) it dissolves (d) it floats up
  27. 27.🥄 Which of these dissolves in water? (a) glucose powder (b) sand (c) chalk powder (d) small pebbles
  28. 28.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) the same (c) slower (d) faster
  29. 29.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) a teaspoon (c) a magnet (d) warm water
  30. 30.🥄 Which of these does not dissolve in water? (a) sawdust (b) baking soda (c) food colour (d) sugar
  31. 31.True or false: cotton wool is needed for the dissolving test. (a) False (b) True
  32. 32.📘 What do we call water with sugar dissolved in it? (a) a magnet (b) a crystal (c) a rainbow (d) a solution
  33. 33.🔍 Which is the odd one out? (a) baking soda (b) sugar (c) table salt (d) sand
  34. 34.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) the sugar cube (c) powdered sugar (d) neither of them
  35. 35.🧺 Do we need a comb for the dissolving test? (a) needed (b) not needed
  36. 36.🔍 Which is the odd one out? (a) sand (b) small pebbles (c) glucose powder (d) chalk powder
  37. 37.🛟 How should you check if the sugar has dissolved? (a) poke it with a finger (b) smell it closely (c) look for leftover grains (d) taste it
  38. 38.🛟 Who should pour the warm water in the dissolving test? (a) a grown-up (b) nobody needs to (c) the youngest child (d) a friend who is running
  39. 39.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we change it (b) we keep it the same (c) we measure it
  40. 40.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) a comb (c) a teaspoon (d) a clock or timer

Answer key

  1. baking soda
  2. dissolves in water
  3. needed
  4. we keep it the same
  5. particles move faster
  6. a balloon
  7. faster
  8. does not dissolve
  9. False
  10. sugar
  11. needed
  12. we keep it the same
  13. dissolves in water
  14. honey
  15. not needed
  16. a clock or timer
  17. does not dissolve
  18. sugar
  19. some stays undissolved
  20. False
  21. food colour
  22. True
  23. a comb
  24. cotton wool
  25. False
  26. it settles at the bottom
  27. glucose powder
  28. faster
  29. a magnet
  30. sawdust
  31. False
  32. a solution
  33. sand
  34. powdered sugar
  35. not needed
  36. glucose powder
  37. look for leftover grains
  38. a grown-up
  39. we keep it the same
  40. a comb

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