Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 421 · 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.True or false: chalk powder dissolves in water. (a) False (b) True
2. 2.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) powdered sugar (c) the sugar cube (d) neither of them
3. 3.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a teaspoon (c) a clock or timer (d) honey
4. 4.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
5. 5.🔍 Which is the odd one out? (a) sand (b) table salt (c) baking soda (d) sugar
6. 6.True or false: sugar in warm water dissolves slower. (a) True (b) False
7. 7.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the kind of sugar (b) time to dissolve (c) the amount of water (d) the water temperature
8. 8.🥄 Which of these dissolves in water? (a) chalk powder (b) cooking oil (c) sugar (d) sand
9. 9.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a teaspoon (c) cotton wool (d) warm water
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 kind of sugar (c) the water temperature
11. 11.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) a big sugar cube (c) sugar in icy water (d) sugar stirred well
12. 12.🛟 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
13. 13.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) warm water (c) cold water (d) a comb
14. 14.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) a balloon (c) cold water (d) two clear glasses
15. 15.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a mirror (c) warm water (d) a comb
16. 16.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) a mirror (c) sugar (d) cold water
17. 17.True or false: a magnet is needed for the dissolving test. (a) False (b) True
18. 18.True or false: sugar is needed for the dissolving test. (a) True (b) False
19. 19.True or false: warm water is needed for the dissolving test. (a) False (b) True
20. 20.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is kept the same. (a) False (b) True
21. 21.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a balloon (c) cold water (d) warm water
22. 22.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in icy water (c) a big sugar cube (d) powdered sugar
23. 23.🥄 Does sugar in icy water dissolve faster or slower? (a) slower (b) faster
24. 24.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is the one thing we change. (a) False (b) True
25. 25.🔮 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) all of it dissolves (d) the water turns solid
26. 26.True or false: a balloon is needed for the dissolving test. (a) False (b) True
27. 27.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a teaspoon (c) a balloon (d) honey
28. 28.🧺 Do we need a comb for the dissolving test? (a) not needed (b) needed
29. 29.🥄 Which of these dissolves in water? (a) sawdust (b) table salt (c) sand (d) chalk powder
30. 30.🛟 How should you check if the sugar has dissolved? (a) taste it (b) smell it closely (c) poke it with a finger (d) look for leftover grains
31. 31.🥄 Which of these does not dissolve in water? (a) sugar (b) food colour (c) sawdust (d) table salt
32. 32.True or false: a teaspoon is not needed for the dissolving test. (a) False (b) True
33. 33.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
34. 34.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we change it (b) we keep it the same (c) we measure it
35. 35.True or false: a mirror is needed for the dissolving test. (a) True (b) False
36. 36.True or false: sugar in warm water dissolves faster. (a) False (b) True
37. 37.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it sank as sand (b) it vanished for ever (c) it became air (d) it spread in the water
38. 38.🔍 How can you get the salt back from salty water? (a) add more water (b) let the water evaporate (c) keep it in a fridge (d) stir it more
39. 39.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) cotton wool (c) sugar (d) honey
40. 40.⚖️ 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 amount of water (c) time to dissolve

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