Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 169 · 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 water temperature”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it vanished for ever (b) it spread in the water (c) it became air (d) it sank as sand
3. 3.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is what we measure. (a) False (b) True
4. 4.True or false: cotton wool is needed for the dissolving test. (a) False (b) True
5. 5.🥄 Which of these does not dissolve in water? (a) glucose powder (b) sugar (c) sand (d) table salt
6. 6.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
7. 7.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we keep it the same (b) we measure it (c) we change it
8. 8.True or false: sugar in warm water dissolves faster. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) sand (b) table salt (c) chalk powder (d) sawdust
10. 10.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
11. 11.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we keep it the same (b) we change it (c) we measure it
12. 12.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) sugar (c) a clock or timer (d) a mirror
13. 13.🔍 Which is the odd one out? (a) chalk powder (b) sand (c) food colour (d) sawdust
14. 14.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a magnet (c) a clock or timer (d) honey
15. 15.🥄 Does glucose powder dissolve in water? (a) does not dissolve (b) dissolves in water
16. 16.True or false: a magnet is not needed for the dissolving test. (a) False (b) True
17. 17.🥄 Does small pebbles dissolve in water? (a) does not dissolve (b) dissolves in water
18. 18.🥄 Which of these dissolves in water? (a) chalk powder (b) cooking oil (c) sand (d) baking soda
19. 19.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) a friend who is running (c) a grown-up (d) nobody needs to
20. 20.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is what we measure. (a) True (b) False
21. 21.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
22. 22.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) sugar (c) a balloon (d) honey
23. 23.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) a clock or timer (c) a balloon (d) cold water
24. 24.🥄 Which of these dissolves faster? (a) sugar in warm water (b) a big sugar cube (c) sugar left unstirred (d) sugar in icy water
25. 25.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in icy water (c) a big sugar cube (d) sugar stirred well
26. 26.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
27. 27.🧺 Do we need a mirror for the dissolving test? (a) needed (b) not needed
28. 28.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the amount of water (b) time to dissolve (c) the amount of sugar (d) the water temperature
29. 29.🥄 Which of these does not dissolve in water? (a) chalk powder (b) baking soda (c) sugar (d) table salt
30. 30.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) neither of them (b) powdered sugar (c) both the same (d) the sugar cube
31. 31.🥄 Does sugar left unstirred dissolve faster or slower? (a) faster (b) slower
32. 32.True or false: warm water is not needed for the dissolving test. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) cooking oil (b) small pebbles (c) sawdust (d) glucose powder
34. 34.🔮 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 water turns solid (c) the sugar turns to salt (d) some stays undissolved
35. 35.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) a balloon (c) cold water (d) warm water
36. 36.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the water temperature (b) the amount of water (c) time to dissolve
37. 37.⚖️ 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 kind of sugar (c) the stirring (d) the water temperature
38. 38.⚖️ 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
39. 39.🧺 Which of these is needed for the dissolving test? (a) a comb (b) a balloon (c) cold water (d) a magnet
40. 40.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) a comb (c) cotton wool (d) two clear glasses

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