Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 908 · 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 dissolves slower? (a) a big sugar cube (b) powdered sugar (c) sugar stirred well (d) sugar in warm water
2. 2.🧺 Which of these is needed for the dissolving test? (a) two clear glasses (b) a mirror (c) a balloon (d) a magnet
3. 3.⚖️ 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 measure it (c) we keep it the same
4. 4.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we keep it the same (b) we change it (c) we measure it
5. 5.True or false: small pebbles dissolves in water. (a) True (b) False
6. 6.🔍 Which is the odd one out? (a) sand (b) chalk powder (c) small pebbles (d) sugar
7. 7.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we keep it the same (b) we change it (c) we measure it
8. 8.🧺 Which of these is not needed for the dissolving test? (a) honey (b) two clear glasses (c) warm water (d) sugar
9. 9.🛟 Who should pour the warm water in the dissolving test? (a) nobody needs to (b) a grown-up (c) the youngest child (d) a friend who is running
10. 10.🛟 How should you check if the sugar has dissolved? (a) taste it (b) poke it with a finger (c) smell it closely (d) look for leftover grains
11. 11.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is kept the same. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) glucose powder (b) sugar (c) chalk powder (d) food colour
13. 13.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the amount of water (b) the kind of sugar (c) the water temperature (d) the amount of sugar
14. 14.🥄 Which of these does not dissolve in water? (a) sugar (b) sand (c) baking soda (d) table salt
15. 15.True or false: sugar stirred well dissolves slower. (a) False (b) True
16. 16.🧺 Do we need a comb for the dissolving test? (a) not needed (b) needed
17. 17.True or false: sugar in icy water dissolves slower. (a) False (b) True
18. 18.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cotton wool (b) a teaspoon (c) sugar (d) cold water
19. 19.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in icy water (c) sugar stirred well (d) sugar in warm water
20. 20.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) slower (c) not at all (d) faster
21. 21.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is the one thing we change. (a) False (b) True
22. 22.True or false: sugar is not needed for the dissolving test. (a) False (b) True
23. 23.🥄 Does a big sugar cube dissolve faster or slower? (a) slower (b) faster
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 amount of water (c) the water temperature
25. 25.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
26. 26.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) neither of them (b) the sugar cube (c) powdered sugar (d) both the same
27. 27.🧺 Which of these is not needed for the dissolving test? (a) a mirror (b) warm water (c) sugar (d) cold water
28. 28.True or false: sugar in warm water dissolves faster. (a) False (b) True
29. 29.🥄 Does small pebbles dissolve in water? (a) dissolves in water (b) does not dissolve
30. 30.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
31. 31.True or false: sugar in warm water dissolves slower. (a) True (b) False
32. 32.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) cold water (c) a comb (d) two clear glasses
33. 33.True or false: two clear glasses is needed for the dissolving test. (a) True (b) False
34. 34.True or false: sugar left unstirred dissolves slower. (a) False (b) True
35. 35.True or false: honey is not needed for the dissolving test. (a) False (b) True
36. 36.True or false: chalk powder dissolves in water. (a) False (b) True
37. 37.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
38. 38.🔍 Which is the odd one out? (a) sawdust (b) glucose powder (c) chalk powder (d) small pebbles
39. 39.🔮 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) all of it dissolves (d) some stays undissolved
40. 40.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed

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