Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 325 · 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.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) taste it (c) look for leftover grains (d) poke it with a finger
2. 2.True or false: sugar is needed for the dissolving test. (a) True (b) False
3. 3.⚖️ 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
4. 4.⚖️ 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 sugar (b) the stirring (c) the water temperature (d) the amount of water
5. 5.True or false: sugar in warm water dissolves faster. (a) False (b) True
6. 6.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a mirror (b) sugar (c) two clear glasses (d) a clock or timer
7. 7.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
8. 8.🥄 Which of these dissolves in water? (a) sawdust (b) glucose powder (c) cooking oil (d) small pebbles
9. 9.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
10. 10.True or false: warm water is not needed for the dissolving test. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) chalk powder (b) sand (c) sugar (d) sawdust
12. 12.⚖️ 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) False (b) True
13. 13.🥄 Why does sugar dissolve faster in warm water? (a) particles move faster (b) warm water is thicker (c) cold water is wet (d) sugar likes the dark
14. 14.⚖️ 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
15. 15.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the kind of sugar (b) the amount of sugar (c) the water temperature (d) time to dissolve
16. 16.True or false: cotton wool is needed for the dissolving test. (a) True (b) False
17. 17.🥄 Which of these dissolves faster? (a) sugar in icy water (b) sugar stirred well (c) sugar left unstirred (d) a big sugar cube
18. 18.True or false: sawdust dissolves in water. (a) True (b) False
19. 19.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
20. 20.True or false: a clock or timer is needed for the dissolving test. (a) False (b) True
21. 21.⚖️ 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 keep it the same (c) we change it
22. 22.📘 What do we call water with sugar dissolved in it? (a) a rainbow (b) a solution (c) a crystal (d) a magnet
23. 23.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it spread in the water (b) it became air (c) it vanished for ever (d) it sank as sand
24. 24.🧺 Which of these is needed for the dissolving test? (a) a comb (b) a magnet (c) honey (d) sugar
25. 25.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
26. 26.🥄 Which of these does not dissolve in water? (a) small pebbles (b) table salt (c) sugar (d) glucose powder
27. 27.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) a friend who is running (c) nobody needs to (d) a grown-up
28. 28.🥄 Which of these does not dissolve in water? (a) cooking oil (b) glucose powder (c) food colour (d) baking soda
29. 29.🧺 Which of these is needed for the dissolving test? (a) cold water (b) a magnet (c) a balloon (d) honey
30. 30.🔍 Which is the odd one out? (a) table salt (b) sand (c) glucose powder (d) food colour
31. 31.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a teaspoon (c) a comb (d) a clock or timer
32. 32.🧺 Do we need a comb for the dissolving test? (a) needed (b) not needed
33. 33.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) cold water (c) a clock or timer (d) honey
34. 34.True or false: chalk powder dissolves in water. (a) True (b) False
35. 35.🧺 Do we need a magnet for the dissolving test? (a) needed (b) not needed
36. 36.True or false: a big sugar cube dissolves slower. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) sand (b) chalk powder (c) baking soda (d) sawdust
38. 38.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) honey (c) two clear glasses (d) warm water
39. 39.⚖️ 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 change it (c) we keep it the same
40. 40.⚖️ 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 change it (c) we keep it the same

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