Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 678 · 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.🛟 Who should pour the warm water in the dissolving test? (a) a grown-up (b) the youngest child (c) a friend who is running (d) nobody needs to
2. 2.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the amount of sugar (b) time to dissolve (c) the amount of water (d) the kind of sugar
3. 3.🔍 Which is the odd one out? (a) table salt (b) baking soda (c) food colour (d) sawdust
4. 4.🥄 Which of these dissolves in water? (a) small pebbles (b) chalk powder (c) glucose powder (d) sand
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 measure it (b) we keep it the same (c) we change it
6. 6.🥄 Does small pebbles dissolve in water? (a) does not dissolve (b) dissolves in water
7. 7.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) honey (c) a comb (d) cold water
8. 8.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
9. 9.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
10. 10.🧺 Do we need a comb for the dissolving test? (a) not needed (b) needed
11. 11.🔍 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 became air (d) it sank as sand
12. 12.🔍 Which is the odd one out? (a) small pebbles (b) baking soda (c) sawdust (d) cooking oil
13. 13.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar left unstirred (c) sugar in icy water (d) sugar in warm water
14. 14.🔍 Which is the odd one out? (a) glucose powder (b) chalk powder (c) sugar (d) table salt
15. 15.⚖️ 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 keep it the same (c) we change it
16. 16.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is kept the same. (a) True (b) False
17. 17.🧺 Do we need honey for the dissolving test? (a) not needed (b) needed
18. 18.True or false: cotton wool is needed for the dissolving test. (a) True (b) False
19. 19.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a comb (b) a teaspoon (c) two clear glasses (d) warm water
20. 20.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) a clock or timer (c) a teaspoon (d) cotton wool
21. 21.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) faster (b) the same (c) not at all (d) slower
22. 22.🛟 How should you check if the sugar has dissolved? (a) taste it (b) poke it with a finger (c) look for leftover grains (d) smell it closely
23. 23.🥄 Which of these does not dissolve in water? (a) small pebbles (b) table salt (c) food colour (d) sugar
24. 24.🧺 Which of these is not needed for the dissolving test? (a) a comb (b) sugar (c) cold water (d) a clock or timer
25. 25.True or false: two clear glasses is not needed for the dissolving test. (a) True (b) False
26. 26.🥄 Which of these dissolves in water? (a) sawdust (b) baking soda (c) sand (d) chalk powder
27. 27.🥄 Which of these does not dissolve in water? (a) sawdust (b) glucose powder (c) sugar (d) table salt
28. 28.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the stirring (b) the amount of sugar (c) the amount of water (d) the water temperature
29. 29.True or false: a magnet is needed for the dissolving test. (a) True (b) False
30. 30.⚖️ 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
31. 31.True or false: cooking oil dissolves in water. (a) True (b) False
32. 32.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) a mirror (c) two clear glasses (d) a teaspoon
33. 33.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we keep it the same (b) we measure it (c) we change it
34. 34.True or false: sugar does not dissolve in water. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) sand (b) glucose powder (c) cooking oil (d) chalk powder
36. 36.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in warm water (c) sugar stirred well (d) sugar left unstirred
37. 37.True or false: sand dissolves in water. (a) False (b) True
38. 38.True or false: sugar dissolves in water. (a) False (b) True
39. 39.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
40. 40.🔮 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

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