Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 492 · 40 questions

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.

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

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