Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 243 · 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) cold water (b) warm water (c) a balloon (d) two clear glasses
2. 2.True or false: food colour does not dissolve in water. (a) True (b) False
3. 3.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
4. 4.True or false: baking soda dissolves in water. (a) False (b) True
5. 5.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we keep it the same (b) we change it (c) we measure it
6. 6.🔍 Which is the odd one out? (a) chalk powder (b) sawdust (c) baking soda (d) sand
7. 7.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we measure it (b) we keep it the same (c) we change it
8. 8.True or false: sugar stirred well dissolves slower. (a) True (b) False
9. 9.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) the sugar cube (c) powdered sugar (d) neither of them
10. 10.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) slower (b) faster (c) not at all (d) the same
11. 11.True or false: sawdust dissolves in water. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) chalk powder (b) food colour (c) sugar (d) table salt
13. 13.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) powdered sugar (c) a big sugar cube (d) sugar in icy water
14. 14.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is kept the same. (a) True (b) False
15. 15.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
16. 16.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
17. 17.⚖️ 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
18. 18.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a balloon (c) honey (d) a clock or timer
19. 19.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the amount of water (b) the kind of sugar (c) the water temperature (d) the stirring
20. 20.🔍 Which is the odd one out? (a) sand (b) chalk powder (c) food colour (d) sawdust
21. 21.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) cold water (c) a teaspoon (d) a comb
22. 22.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) sugar (c) cold water (d) a mirror
23. 23.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is kept the same. (a) False (b) True
24. 24.🥄 Which of these dissolves in water? (a) sawdust (b) sand (c) chalk powder (d) sugar
25. 25.🥄 Does table salt dissolve in water? (a) does not dissolve (b) dissolves in water
26. 26.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is the one thing we change. (a) False (b) True
27. 27.🥄 Does sugar left unstirred dissolve faster or slower? (a) faster (b) slower
28. 28.🧺 Which of these is not needed for the dissolving test? (a) a mirror (b) two clear glasses (c) warm water (d) a clock or timer
29. 29.True or false: a magnet is not needed for the dissolving test. (a) False (b) True
30. 30.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) a clock or timer (c) sugar (d) a comb
31. 31.🛟 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
32. 32.True or false: sugar is not needed for the dissolving test. (a) True (b) False
33. 33.🥄 Does a big sugar cube dissolve faster or slower? (a) slower (b) faster
34. 34.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we change it (b) we measure it (c) we keep it the same
35. 35.🥄 Which of these dissolves in water? (a) sawdust (b) table salt (c) cooking oil (d) small pebbles
36. 36.⚖️ 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 kind of sugar (c) time to dissolve (d) the amount of sugar
37. 37.🥄 Does cooking oil dissolve in water? (a) dissolves in water (b) does not dissolve
38. 38.True or false: warm water is needed for the dissolving test. (a) True (b) False
39. 39.🥄 Which of these dissolves slower? (a) sugar in warm water (b) powdered sugar (c) sugar stirred well (d) sugar in icy water
40. 40.True or false: cold water is not needed for the dissolving test. (a) True (b) False

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