Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 638 · 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.True or false: sugar is not needed for the dissolving test. (a) True (b) False
2. 2.🧺 Do we need a mirror for the dissolving test? (a) needed (b) not needed
3. 3.True or false: chalk powder does not dissolve in water. (a) False (b) True
4. 4.⚖️ 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 change it (c) we measure it
5. 5.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is kept the same. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) sawdust (b) cooking oil (c) chalk powder (d) sugar
7. 7.True or false: sugar in icy water dissolves faster. (a) True (b) False
8. 8.🔍 Sand is stirred into water. What do you see after a while? (a) it turns blue (b) it dissolves (c) it floats up (d) it settles at the bottom
9. 9.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) cold water (c) a mirror (d) a teaspoon
10. 10.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cotton wool (b) a clock or timer (c) cold water (d) warm water
11. 11.True or false: powdered sugar dissolves slower. (a) False (b) True
12. 12.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
13. 13.🛟 How should you check if the sugar has dissolved? (a) poke it with a finger (b) look for leftover grains (c) smell it closely (d) taste it
14. 14.🥄 Which of these does not dissolve in water? (a) table salt (b) glucose powder (c) sugar (d) sand
15. 15.🧺 Do we need a teaspoon for the dissolving test? (a) not needed (b) needed
16. 16.🔍 Which is the odd one out? (a) sand (b) sawdust (c) chalk powder (d) glucose powder
17. 17.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) a big sugar cube (c) sugar in icy water (d) sugar stirred well
18. 18.True or false: baking soda dissolves in water. (a) True (b) False
19. 19.True or false: glucose powder dissolves in water. (a) False (b) True
20. 20.🧺 Do we need a balloon for the dissolving test? (a) not needed (b) needed
21. 21.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) powdered sugar (c) a big sugar cube (d) sugar in icy water
22. 22.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we measure it (b) we keep it the same (c) we change it
23. 23.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
24. 24.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) honey (c) a balloon (d) warm water
25. 25.⚖️ 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
26. 26.True or false: sugar does not dissolve in water. (a) True (b) False
27. 27.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
28. 28.🛟 Who should pour the warm water in the dissolving test? (a) a friend who is running (b) a grown-up (c) the youngest child (d) nobody needs to
29. 29.🔍 Which is the odd one out? (a) sawdust (b) sugar (c) food colour (d) baking soda
30. 30.True or false: sugar in icy water dissolves slower. (a) False (b) True
31. 31.🥄 Which of these dissolves in water? (a) cooking oil (b) small pebbles (c) baking soda (d) chalk powder
32. 32.🧺 Do we need a comb for the dissolving test? (a) not needed (b) needed
33. 33.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
34. 34.🥄 Does sand dissolve in water? (a) does not dissolve (b) dissolves in water
35. 35.🧺 Which of these is needed for the dissolving test? (a) a comb (b) a balloon (c) a clock or timer (d) honey
36. 36.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
37. 37.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
38. 38.True or false: sugar in warm water dissolves faster. (a) False (b) True
39. 39.True or false: cooking oil does not dissolve in water. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) sand (b) small pebbles (c) cooking oil (d) food colour

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