Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 259 · 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.🧺 Do we need a comb for the dissolving test? (a) needed (b) not needed
2. 2.True or false: sugar in warm water dissolves slower. (a) False (b) True
3. 3.True or false: cold water is needed for the dissolving test. (a) False (b) True
4. 4.🥄 Does cooking oil dissolve in water? (a) dissolves in water (b) does not dissolve
5. 5.🥄 Which of these dissolves slower? (a) sugar stirred well (b) a big sugar cube (c) sugar in warm water (d) powdered sugar
6. 6.🥄 Which of these does not dissolve in water? (a) food colour (b) baking soda (c) cooking oil (d) table salt
7. 7.🥄 Which of these dissolves in water? (a) sand (b) small pebbles (c) sawdust (d) glucose powder
8. 8.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar left unstirred (c) powdered sugar (d) sugar in icy water
9. 9.🥄 Which of these dissolves in water? (a) cooking oil (b) baking soda (c) chalk powder (d) sand
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.🔍 Which is the odd one out? (a) small pebbles (b) sawdust (c) chalk powder (d) baking soda
12. 12.🔮 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
13. 13.⚖️ 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) True (b) False
14. 14.⚖️ 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 water temperature (c) the amount of sugar
15. 15.⚖️ 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
16. 16.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) slower (b) the same (c) not at all (d) faster
17. 17.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) a mirror (c) a teaspoon (d) cold water
18. 18.🥄 Which of these does not dissolve in water? (a) sand (b) sugar (c) baking soda (d) glucose powder
19. 19.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) a clock or timer (c) two clear glasses (d) a mirror
20. 20.⚖️ 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 amount of water
21. 21.True or false: a clock or timer is not needed for the dissolving test. (a) True (b) False
22. 22.True or false: a big sugar cube dissolves slower. (a) True (b) False
23. 23.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
24. 24.True or false: cotton wool is not needed for the dissolving test. (a) False (b) True
25. 25.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
26. 26.🔍 Which is the odd one out? (a) sugar (b) sawdust (c) food colour (d) baking soda
27. 27.True or false: sugar left unstirred dissolves slower. (a) True (b) False
28. 28.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
29. 29.⚖️ 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
30. 30.🔍 Which is the odd one out? (a) glucose powder (b) table salt (c) chalk powder (d) food colour
31. 31.🧺 Do we need a teaspoon for the dissolving test? (a) needed (b) not needed
32. 32.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) powdered sugar (c) the sugar cube (d) neither of them
33. 33.🥄 Which of these dissolves in water? (a) sawdust (b) chalk powder (c) sand (d) sugar
34. 34.True or false: sugar left unstirred dissolves faster. (a) True (b) False
35. 35.⚖️ 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
36. 36.🧺 Do we need cotton wool for the dissolving test? (a) needed (b) not needed
37. 37.⚖️ 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
38. 38.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
39. 39.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
40. 40.⚖️ 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) True (b) False

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