Dissolving Experiment Worksheet: Warm and Cold Water

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

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