Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 463 · 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.⚖️ 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 change it (c) we keep it the same
2. 2.True or false: sand dissolves in water. (a) False (b) True
3. 3.True or false: a balloon is needed for the dissolving test. (a) True (b) False
4. 4.⚖️ 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 water (c) the water temperature (d) time to dissolve
5. 5.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it became air (b) it sank as sand (c) it spread in the water (d) it vanished for ever
6. 6.🥄 Does sugar left unstirred dissolve faster or slower? (a) faster (b) slower
7. 7.🔍 Which is the odd one out? (a) table salt (b) baking soda (c) food colour (d) chalk powder
8. 8.📘 What do we call water with sugar dissolved in it? (a) a solution (b) a crystal (c) a rainbow (d) a magnet
9. 9.🔍 Which is the odd one out? (a) sand (b) chalk powder (c) sugar (d) small pebbles
10. 10.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is the one thing we change. (a) False (b) True
11. 11.True or false: sugar dissolves in water. (a) False (b) True
12. 12.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
13. 13.⚖️ 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
14. 14.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
15. 15.True or false: a big sugar cube dissolves faster. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) sugar (b) table salt (c) glucose powder (d) sand
17. 17.True or false: cotton wool is not needed for the dissolving test. (a) True (b) False
18. 18.True or false: sugar left unstirred dissolves faster. (a) False (b) True
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) time to dissolve (b) the stirring (c) the amount of water (d) the water temperature
20. 20.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) a magnet (c) warm water (d) honey
21. 21.🔍 Sand is stirred into water. What do you see after a while? (a) it floats up (b) it settles at the bottom (c) it dissolves (d) it turns blue
22. 22.🧺 Do we need a balloon for the dissolving test? (a) needed (b) not needed
23. 23.True or false: a big sugar cube dissolves slower. (a) False (b) True
24. 24.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) honey (c) a teaspoon (d) sugar
25. 25.🧺 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 comb
26. 26.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) a magnet (c) two clear glasses (d) cold water
27. 27.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we keep it the same (b) we change it (c) we measure it
28. 28.🧺 Do we need a teaspoon for the dissolving test? (a) not needed (b) needed
29. 29.⚖️ 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
30. 30.True or false: cold water is not needed for the dissolving test. (a) True (b) False
31. 31.True or false: a teaspoon is needed for the dissolving test. (a) True (b) False
32. 32.🥄 Does sawdust dissolve in water? (a) does not dissolve (b) dissolves in water
33. 33.🛟 Who should pour the warm water in the dissolving test? (a) a grown-up (b) a friend who is running (c) nobody needs to (d) the youngest child
34. 34.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) faster (b) slower (c) not at all (d) the same
35. 35.🥄 Which of these does not dissolve in water? (a) sand (b) glucose powder (c) baking soda (d) food colour
36. 36.⚖️ 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
37. 37.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) a mirror (c) a clock or timer (d) a teaspoon
38. 38.🛟 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
39. 39.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in warm water (c) a big sugar cube (d) sugar in icy water
40. 40.🥄 Does chalk powder dissolve in water? (a) does not dissolve (b) dissolves in water

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