Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 464 · 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 balloon (b) sugar (c) a teaspoon (d) cold water
2. 2.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
3. 3.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
4. 4.🧺 Which of these is not needed for the dissolving test? (a) a comb (b) two clear glasses (c) a teaspoon (d) sugar
5. 5.🥄 Does baking soda dissolve in water? (a) dissolves in water (b) does not dissolve
6. 6.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is the one thing we change. (a) False (b) True
7. 7.🥄 Which of these dissolves faster? (a) sugar stirred well (b) sugar in icy water (c) sugar left unstirred (d) a big sugar cube
8. 8.🥄 Does glucose powder dissolve in water? (a) dissolves in water (b) does not dissolve
9. 9.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
10. 10.True or false: sugar left unstirred dissolves slower. (a) False (b) True
11. 11.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a mirror (b) a teaspoon (c) two clear glasses (d) a clock or timer
12. 12.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) the sugar cube (b) neither of them (c) powdered sugar (d) both the same
13. 13.True or false: sand dissolves in water. (a) False (b) True
14. 14.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
15. 15.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
16. 16.True or false: chalk powder does not dissolve in water. (a) True (b) False
17. 17.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) nobody needs to (c) a friend who is running (d) a grown-up
18. 18.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
19. 19.⚖️ 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 keep it the same (c) we change it
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 water (b) time to dissolve (c) the water temperature
21. 21.🔮 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) all of it dissolves (d) the water turns solid
22. 22.🥄 Which of these dissolves slower? (a) sugar stirred well (b) powdered sugar (c) sugar in warm water (d) sugar left unstirred
23. 23.True or false: sugar is needed for the dissolving test. (a) False (b) True
24. 24.🔍 How can you get the salt back from salty water? (a) keep it in a fridge (b) stir it more (c) let the water evaporate (d) add more water
25. 25.True or false: sugar left unstirred dissolves faster. (a) True (b) False
26. 26.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we keep it the same (b) we measure it (c) we change it
27. 27.True or false: a big sugar cube dissolves slower. (a) False (b) True
28. 28.True or false: a comb is needed for the dissolving test. (a) False (b) True
29. 29.⚖️ 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) the water temperature (d) time to dissolve
30. 30.True or false: cotton wool is not needed for the dissolving test. (a) True (b) False
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) True (b) False
32. 32.🧺 Do we need a clock or timer for the dissolving test? (a) not needed (b) needed
33. 33.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the water temperature (b) the amount of sugar (c) time to dissolve
34. 34.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) a comb (c) two clear glasses (d) cotton wool
35. 35.🧺 Which of these is needed for the dissolving test? (a) warm water (b) a balloon (c) a magnet (d) a comb
36. 36.⚖️ 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 measure it (c) we keep it the same
37. 37.⚖️ 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
38. 38.🥄 Does sugar left unstirred dissolve faster or slower? (a) faster (b) slower
39. 39.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) warm water (c) cold water (d) cotton wool
40. 40.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we change it (b) we keep it the same (c) we measure it

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