← 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 552 · 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 of these dissolves faster? (a) a big sugar cube (b) sugar in icy water (c) sugar left unstirred (d) powdered sugar
  2. 2.🛟 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
  3. 3.🧺 Do we need a clock or timer for the dissolving test? (a) not needed (b) needed
  4. 4.🧺 Which of these is needed for the dissolving test? (a) a comb (b) a magnet (c) a balloon (d) warm water
  5. 5.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
  6. 6.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
  7. 7.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a comb (c) sugar (d) a clock or timer
  8. 8.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in warm water (c) a big sugar cube (d) sugar stirred well
  9. 9.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) sugar (c) a teaspoon (d) honey
  10. 10.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) some stays undissolved (b) the sugar turns to salt (c) the water turns solid (d) all of it dissolves
  11. 11.🧺 Do we need cotton wool for the dissolving test? (a) needed (b) not needed
  12. 12.True or false: sugar left unstirred dissolves slower. (a) False (b) True
  13. 13.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
  14. 14.🥄 Does sand dissolve in water? (a) dissolves in water (b) does not dissolve
  15. 15.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) time to dissolve (b) the kind of sugar (c) the amount of sugar (d) the water temperature
  16. 16.🔍 Which is the odd one out? (a) sugar (b) sand (c) small pebbles (d) chalk powder
  17. 17.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we measure it (b) we change it (c) we keep it the same
  18. 18.True or false: food colour does not dissolve in water. (a) False (b) True
  19. 19.🔍 Which is the odd one out? (a) small pebbles (b) food colour (c) sawdust (d) sand
  20. 20.🥄 Which of these dissolves in water? (a) chalk powder (b) cooking oil (c) baking soda (d) sand
  21. 21.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
  22. 22.🥄 Does small pebbles dissolve in water? (a) dissolves in water (b) does not dissolve
  23. 23.🔍 Sand is stirred into water. What do you see after a while? (a) it turns blue (b) it floats up (c) it settles at the bottom (d) it dissolves
  24. 24.🥄 Which of these dissolves slower? (a) sugar stirred well (b) sugar in icy water (c) powdered sugar (d) sugar in warm water
  25. 25.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
  26. 26.True or false: cold water is needed for the dissolving test. (a) False (b) True
  27. 27.🥄 Why does sugar dissolve faster in warm water? (a) sugar likes the dark (b) cold water is wet (c) warm water is thicker (d) particles move faster
  28. 28.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
  29. 29.🔍 Which is the odd one out? (a) chalk powder (b) food colour (c) baking soda (d) table salt
  30. 30.🥄 Which of these does not dissolve in water? (a) food colour (b) small pebbles (c) baking soda (d) table salt
  31. 31.True or false: a teaspoon is not needed for the dissolving test. (a) False (b) True
  32. 32.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
  33. 33.🥄 Which of these dissolves in water? (a) sand (b) glucose powder (c) small pebbles (d) cooking oil
  34. 34.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) cotton wool (c) cold water (d) a teaspoon
  35. 35.⚖️ 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) the kind of sugar (c) time to dissolve
  36. 36.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
  37. 37.True or false: a magnet is not needed for the dissolving test. (a) False (b) True
  38. 38.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a magnet (b) a clock or timer (c) a teaspoon (d) warm water
  39. 39.True or false: sand dissolves in water. (a) False (b) True
  40. 40.True or false: a comb is not needed for the dissolving test. (a) False (b) True

Answer key

  1. powdered sugar
  2. a grown-up
  3. needed
  4. warm water
  5. slower
  6. dissolves in water
  7. a comb
  8. a big sugar cube
  9. honey
  10. some stays undissolved
  11. not needed
  12. True
  13. needed
  14. does not dissolve
  15. the water temperature
  16. sugar
  17. we change it
  18. False
  19. food colour
  20. baking soda
  21. faster
  22. does not dissolve
  23. it settles at the bottom
  24. sugar in icy water
  25. dissolves in water
  26. True
  27. particles move faster
  28. slower
  29. chalk powder
  30. small pebbles
  31. False
  32. dissolves in water
  33. glucose powder
  34. cotton wool
  35. the kind of sugar
  36. needed
  37. True
  38. a magnet
  39. False
  40. True

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