Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 541 · 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.🧺 Do we need a balloon for the dissolving test? (a) needed (b) not needed
2. 2.🔍 Which is the odd one out? (a) baking soda (b) table salt (c) food colour (d) cooking oil
3. 3.🧺 Do we need cotton wool for the dissolving test? (a) needed (b) not needed
4. 4.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) cold water (c) warm water (d) cotton wool
5. 5.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we change it (b) we keep it the same (c) we measure it
6. 6.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is what we measure. (a) True (b) False
7. 7.🔍 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
8. 8.True or false: a magnet is needed for the dissolving test. (a) True (b) False
9. 9.🧺 Which of these is not needed for the dissolving test? (a) honey (b) two clear glasses (c) a teaspoon (d) sugar
10. 10.🥄 Which of these dissolves in water? (a) glucose powder (b) chalk powder (c) small pebbles (d) sand
11. 11.⚖️ 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
12. 12.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) neither of them (c) powdered sugar (d) the sugar cube
13. 13.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) a mirror (c) a comb (d) sugar
14. 14.🛟 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
15. 15.🥄 Does sand dissolve in water? (a) dissolves in water (b) does not dissolve
16. 16.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
17. 17.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
18. 18.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the stirring (b) the kind of sugar (c) the water temperature (d) time to dissolve
19. 19.True or false: sawdust dissolves in water. (a) True (b) False
20. 20.True or false: warm water is needed for the dissolving test. (a) False (b) True
21. 21.🥄 Does cooking oil dissolve in water? (a) does not dissolve (b) dissolves in water
22. 22.🥄 Which of these dissolves slower? (a) sugar stirred well (b) powdered sugar (c) sugar in warm water (d) a big sugar cube
23. 23.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
24. 24.🛟 How should you check if the sugar has dissolved? (a) poke it with a finger (b) taste it (c) smell it closely (d) look for leftover grains
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) all of it dissolves (c) the sugar turns to salt (d) the water turns solid
26. 26.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we change it (b) we measure it (c) we keep it the same
27. 27.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar left unstirred (c) sugar in icy water (d) sugar in warm water
28. 28.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
29. 29.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) faster (c) slower (d) not at all
30. 30.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a comb (c) sugar (d) cold water
31. 31.True or false: cold water is needed for the dissolving test. (a) True (b) False
32. 32.🥄 Which of these dissolves faster? (a) sugar in icy water (b) sugar left unstirred (c) sugar stirred well (d) a big sugar cube
33. 33.⚖️ 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 water temperature (c) the kind of sugar
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 keep it the same (b) we measure it (c) we change it
35. 35.True or false: sugar in warm water dissolves faster. (a) True (b) False
36. 36.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we measure it (b) we change it (c) we keep it the same
37. 37.🥄 Which of these dissolves in water? (a) sawdust (b) small pebbles (c) baking soda (d) chalk powder
38. 38.🔍 Which is the odd one out? (a) table salt (b) glucose powder (c) sawdust (d) baking soda
39. 39.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) warm water (c) a clock or timer (d) a balloon
40. 40.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is what we measure. (a) True (b) False

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