Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 113 · 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) powdered sugar (b) sugar left unstirred (c) sugar stirred well (d) sugar in warm water
2. 2.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) a mirror (c) two clear glasses (d) a clock or timer
3. 3.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
4. 4.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) powdered sugar (b) both the same (c) neither of them (d) the sugar cube
5. 5.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) a comb (c) two clear glasses (d) a balloon
6. 6.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
7. 7.🔮 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) some stays undissolved (c) the water turns solid (d) all of it dissolves
8. 8.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we measure it (b) we change it (c) we keep it the same
9. 9.True or false: baking soda does not dissolve in water. (a) False (b) True
10. 10.True or false: two clear glasses is not needed for the dissolving test. (a) False (b) True
11. 11.True or false: warm water is not needed for the dissolving test. (a) True (b) False
12. 12.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in warm water (c) a big sugar cube (d) sugar stirred well
13. 13.⚖️ 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 amount of sugar (c) the stirring (d) the water temperature
14. 14.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a comb (c) two clear glasses (d) a teaspoon
15. 15.🔍 Sand is stirred into water. What do you see after a while? (a) it turns blue (b) it settles at the bottom (c) it dissolves (d) it floats up
16. 16.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
17. 17.True or false: small pebbles does not dissolve in water. (a) False (b) True
18. 18.True or false: sugar left unstirred dissolves slower. (a) True (b) False
19. 19.True or false: sugar in warm water dissolves slower. (a) True (b) False
20. 20.🔍 Which is the odd one out? (a) sugar (b) food colour (c) glucose powder (d) chalk powder
21. 21.⚖️ 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
22. 22.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) cotton wool (c) sugar (d) two clear glasses
23. 23.⚖️ 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 water temperature (c) the amount of sugar (d) the kind of sugar
24. 24.True or false: powdered sugar dissolves slower. (a) True (b) False
25. 25.🥄 Which of these does not dissolve in water? (a) table salt (b) sugar (c) cooking oil (d) food colour
26. 26.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
27. 27.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
28. 28.True or false: cold water is not needed for the dissolving test. (a) True (b) False
29. 29.True or false: sugar is not needed for the dissolving test. (a) True (b) False
30. 30.🛟 How should you check if the sugar has dissolved? (a) taste it (b) look for leftover grains (c) smell it closely (d) poke it with a finger
31. 31.🔍 Which is the odd one out? (a) sugar (b) sand (c) small pebbles (d) cooking oil
32. 32.🥄 Does sand dissolve in water? (a) does not dissolve (b) dissolves in water
33. 33.🔍 Which is the odd one out? (a) cooking oil (b) food colour (c) sand (d) small pebbles
34. 34.🥄 Which of these dissolves in water? (a) sand (b) small pebbles (c) chalk powder (d) baking soda
35. 35.🧺 Do we need a comb for the dissolving test? (a) not needed (b) needed
36. 36.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we measure it (b) we change it (c) we keep it the same
37. 37.🧺 Do we need a mirror for the dissolving test? (a) not needed (b) needed
38. 38.True or false: a balloon is not needed for the dissolving test. (a) True (b) False
39. 39.🔍 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
40. 40.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) a big sugar cube (c) sugar in warm water (d) sugar in icy water

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