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Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 133 · 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.

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

Answer key

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

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