Dissolving Experiment Worksheet: Warm and Cold Water

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

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