Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 152 · 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.🥄 Which of these dissolves slower? (a) sugar stirred well (b) sugar in warm water (c) powdered sugar (d) sugar in icy water
2. 2.True or false: cotton wool is not needed for the dissolving test. (a) False (b) True
3. 3.True or false: sawdust dissolves in water. (a) True (b) False
4. 4.True or false: sugar left unstirred dissolves slower. (a) False (b) True
5. 5.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
6. 6.🥄 Which of these does not dissolve in water? (a) baking soda (b) table salt (c) sugar (d) sand
7. 7.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the kind of sugar (b) time to dissolve (c) the stirring (d) the water temperature
8. 8.🥄 Which of these does not dissolve in water? (a) baking soda (b) sugar (c) food colour (d) sawdust
9. 9.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we keep it the same (b) we measure it (c) we change it
10. 10.⚖️ 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
11. 11.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) poke it with a finger (c) look for leftover grains (d) taste it
12. 12.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) honey (c) warm water (d) a mirror
13. 13.⚖️ 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 kind of sugar
14. 14.🥄 Does sugar left unstirred dissolve faster or slower? (a) faster (b) slower
15. 15.🧺 Which of these is needed for the dissolving test? (a) a comb (b) sugar (c) a magnet (d) cotton wool
16. 16.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) a clock or timer (c) honey (d) two clear glasses
17. 17.🧺 Which of these is needed for the dissolving test? (a) a comb (b) honey (c) a teaspoon (d) a magnet
18. 18.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) sugar (c) a clock or timer (d) a magnet
19. 19.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
20. 20.⚖️ 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
21. 21.⚖️ 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 stirring
22. 22.True or false: baking soda dissolves in water. (a) False (b) True
23. 23.🛟 Who should pour the warm water in the dissolving test? (a) a friend who is running (b) a grown-up (c) nobody needs to (d) the youngest child
24. 24.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
25. 25.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
26. 26.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) powdered sugar (b) neither of them (c) both the same (d) the sugar cube
27. 27.True or false: sugar in icy water dissolves faster. (a) True (b) False
28. 28.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) all of it dissolves (b) the sugar turns to salt (c) some stays undissolved (d) the water turns solid
29. 29.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) sugar (c) a mirror (d) two clear glasses
30. 30.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) cotton wool (c) a teaspoon (d) a clock or timer
31. 31.🥄 Which of these dissolves slower? (a) sugar stirred well (b) powdered sugar (c) sugar in warm water (d) a big sugar cube
32. 32.🥄 Does small pebbles dissolve in water? (a) dissolves in water (b) does not dissolve
33. 33.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) sugar (c) warm water (d) a balloon
34. 34.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) honey (b) warm water (c) sugar (d) cold water
35. 35.🔍 Which is the odd one out? (a) sawdust (b) sand (c) food colour (d) chalk powder
36. 36.True or false: powdered sugar dissolves faster. (a) False (b) True
37. 37.🥄 Does sugar dissolve in water? (a) does not dissolve (b) dissolves in water
38. 38.🥄 Does cooking oil dissolve in water? (a) dissolves in water (b) does not dissolve
39. 39.🔍 Which is the odd one out? (a) food colour (b) glucose powder (c) cooking oil (d) sugar
40. 40.🧺 Which of these is not needed for the dissolving test? (a) a balloon (b) warm water (c) a teaspoon (d) cold water

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