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Dissolving Experiment Worksheet: Warm and Cold Water

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

Answer key

  1. a mirror
  2. chalk powder
  3. not needed
  4. a grown-up
  5. False
  6. True
  7. look for leftover grains
  8. dissolves in water
  9. a teaspoon
  10. not needed
  11. the water temperature
  12. faster
  13. a mirror
  14. it settles at the bottom
  15. powdered sugar
  16. cotton wool
  17. False
  18. False
  19. a big sugar cube
  20. True
  21. we keep it the same
  22. chalk powder
  23. small pebbles
  24. the stirring
  25. True
  26. False
  27. faster
  28. True
  29. False
  30. needed
  31. True
  32. sugar
  33. a clock or timer
  34. sugar in warm water
  35. False
  36. sugar stirred well
  37. a balloon
  38. needed
  39. True
  40. small pebbles

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