Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 157 · 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.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) warm water (c) sugar (d) honey
2. 2.🥄 Does table salt dissolve in water? (a) dissolves in water (b) does not dissolve
3. 3.🥄 Does sugar in icy water dissolve faster or slower? (a) slower (b) faster
4. 4.True or false: a balloon is needed for the dissolving test. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) table salt (b) sugar (c) chalk powder (d) glucose powder
6. 6.⚖️ 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 measure it (c) we change it
7. 7.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cotton wool (b) sugar (c) a teaspoon (d) warm water
8. 8.⚖️ 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) False (b) True
9. 9.🔍 Which is the odd one out? (a) baking soda (b) cooking oil (c) food colour (d) sugar
10. 10.🔍 How can you get the salt back from salty water? (a) keep it in a fridge (b) let the water evaporate (c) add more water (d) stir it more
11. 11.🧺 Do we need a comb for the dissolving test? (a) not needed (b) needed
12. 12.🥄 Which of these dissolves slower? (a) sugar stirred well (b) sugar in warm water (c) powdered sugar (d) sugar in icy water
13. 13.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the kind of sugar (b) the water temperature (c) time to dissolve
14. 14.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
15. 15.🧺 Which of these is needed for the dissolving test? (a) two clear glasses (b) a magnet (c) honey (d) a balloon
16. 16.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) two clear glasses (c) a mirror (d) a clock or timer
17. 17.⚖️ 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 stirring (c) the water temperature
18. 18.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) all of it dissolves (b) some stays undissolved (c) the sugar turns to salt (d) the water turns solid
19. 19.True or false: sugar stirred well dissolves slower. (a) False (b) True
20. 20.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the amount of sugar (b) the water temperature (c) time to dissolve
21. 21.📘 What do we call water with sugar dissolved in it? (a) a magnet (b) a crystal (c) a rainbow (d) a solution
22. 22.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it became air (b) it sank as sand (c) it spread in the water (d) it vanished for ever
23. 23.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
24. 24.🧺 Do we need sugar for the dissolving test? (a) needed (b) not needed
25. 25.True or false: sugar left unstirred dissolves faster. (a) True (b) False
26. 26.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) cotton wool (c) a comb (d) cold water
27. 27.True or false: sugar left unstirred dissolves slower. (a) True (b) False
28. 28.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
29. 29.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) sugar (c) two clear glasses (d) a balloon
30. 30.🔍 Which is the odd one out? (a) cooking oil (b) chalk powder (c) sand (d) food colour
31. 31.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is kept the same. (a) False (b) True
32. 32.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we measure it (b) we keep it the same (c) we change it
33. 33.🥄 Which of these does not dissolve in water? (a) sugar (b) sawdust (c) baking soda (d) table salt
34. 34.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) faster (b) the same (c) not at all (d) slower
35. 35.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the amount of water (b) the stirring (c) time to dissolve (d) the kind of sugar
36. 36.🥄 Which of these dissolves slower? (a) sugar in warm water (b) a big sugar cube (c) sugar stirred well (d) powdered sugar
37. 37.🥄 Does sawdust dissolve in water? (a) does not dissolve (b) dissolves in water
38. 38.🥄 Which of these dissolves slower? (a) sugar left unstirred (b) powdered sugar (c) sugar in warm water (d) sugar stirred well
39. 39.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
40. 40.True or false: a clock or timer is not needed for the dissolving test. (a) False (b) True

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