Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 108 · 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.🥄 Does cooking oil dissolve in water? (a) dissolves in water (b) does not dissolve
2. 2.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we keep it the same (b) we measure it (c) we change it
3. 3.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a magnet (c) a mirror (d) a clock or timer
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 change it (b) we keep it the same (c) we measure it
5. 5.True or false: a clock or timer is needed for the dissolving test. (a) False (b) True
6. 6.🥄 Does table salt dissolve in water? (a) dissolves in water (b) does not dissolve
7. 7.True or false: powdered sugar dissolves slower. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) baking soda (b) glucose powder (c) sugar (d) chalk powder
9. 9.🛟 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
10. 10.⚖️ 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 keep it the same (c) we measure it
11. 11.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) powdered sugar (b) neither of them (c) the sugar cube (d) both the same
12. 12.True or false: a teaspoon is needed for the dissolving test. (a) True (b) False
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 water temperature (b) the amount of sugar (c) the amount of water (d) the kind of sugar
14. 14.🥄 Which of these dissolves slower? (a) sugar stirred well (b) powdered sugar (c) sugar in warm water (d) a big sugar cube
15. 15.🥄 Which of these dissolves in water? (a) sand (b) small pebbles (c) food colour (d) cooking oil
16. 16.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is kept the same. (a) True (b) False
17. 17.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) the water turns solid (b) some stays undissolved (c) all of it dissolves (d) the sugar turns to salt
18. 18.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) cold water (c) a comb (d) warm water
19. 19.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar left unstirred (c) sugar in icy water (d) powdered sugar
20. 20.True or false: cold water is needed for the dissolving test. (a) True (b) False
21. 21.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a magnet (c) a clock or timer (d) cold water
22. 22.True or false: powdered sugar dissolves faster. (a) True (b) False
23. 23.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) two clear glasses (c) cold water (d) cotton wool
24. 24.⚖️ 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) True (b) False
25. 25.🔍 Which is the odd one out? (a) sugar (b) glucose powder (c) small pebbles (d) table salt
26. 26.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
27. 27.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it became air (b) it spread in the water (c) it vanished for ever (d) it sank as sand
28. 28.🛟 Who should pour the warm water in the dissolving test? (a) a friend who is running (b) a grown-up (c) the youngest child (d) nobody needs to
29. 29.🔍 Which is the odd one out? (a) cooking oil (b) chalk powder (c) sugar (d) small pebbles
30. 30.🥄 Which of these does not dissolve in water? (a) sugar (b) sawdust (c) glucose powder (d) food colour
31. 31.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is what we measure. (a) False (b) True
32. 32.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a magnet (c) a balloon (d) sugar
33. 33.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
34. 34.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a clock or timer (c) honey (d) cold water
35. 35.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) the same (c) slower (d) faster
36. 36.True or false: sawdust does not dissolve in water. (a) True (b) False
37. 37.🥄 Which of these does not dissolve in water? (a) sugar (b) glucose powder (c) food colour (d) small pebbles
38. 38.⚖️ 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) the water temperature (c) time to dissolve (d) the kind of sugar
39. 39.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar in warm water (c) sugar in icy water (d) sugar left unstirred
40. 40.🥄 Which of these dissolves in water? (a) sand (b) cooking oil (c) sawdust (d) glucose powder

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