Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 212 · 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 sugar”? (a) we measure it (b) we change it (c) we keep it the same
2. 2.🥄 Which of these does not dissolve in water? (a) chalk powder (b) food colour (c) glucose powder (d) baking soda
3. 3.🔍 Which is the odd one out? (a) sand (b) glucose powder (c) sugar (d) baking soda
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 kind of sugar (b) the amount of water (c) the stirring (d) the water temperature
5. 5.⚖️ 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
6. 6.True or false: a teaspoon is needed for the dissolving test. (a) False (b) True
7. 7.🥄 Which of these dissolves in water? (a) cooking oil (b) small pebbles (c) sawdust (d) baking soda
8. 8.True or false: a comb is not needed for the dissolving test. (a) False (b) True
9. 9.True or false: a magnet is needed for the dissolving test. (a) True (b) False
10. 10.🥄 Which of these dissolves slower? (a) sugar stirred well (b) powdered sugar (c) sugar in warm water (d) sugar in icy water
11. 11.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
12. 12.🥄 Which of these dissolves in water? (a) small pebbles (b) cooking oil (c) sand (d) glucose powder
13. 13.🥄 Does sugar left unstirred dissolve faster or slower? (a) faster (b) slower
14. 14.True or false: two clear glasses is needed for the dissolving test. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) baking soda (b) table salt (c) sugar (d) small pebbles
16. 16.🥄 Which of these dissolves in water? (a) food colour (b) sand (c) small pebbles (d) cooking oil
17. 17.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the stirring (b) the amount of sugar (c) the kind of sugar (d) time to dissolve
18. 18.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it sank as sand (b) it became air (c) it spread in the water (d) it vanished for ever
19. 19.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) warm water (c) a magnet (d) a teaspoon
20. 20.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is kept the same. (a) True (b) False
21. 21.🛟 Who should pour the warm water in the dissolving test? (a) a friend who is running (b) nobody needs to (c) a grown-up (d) the youngest child
22. 22.🔍 How can you get the salt back from salty water? (a) let the water evaporate (b) stir it more (c) keep it in a fridge (d) add more water
23. 23.⚖️ 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
24. 24.🔍 Sand is stirred into water. What do you see after a while? (a) it turns blue (b) it settles at the bottom (c) it dissolves (d) it floats up
25. 25.⚖️ 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) True (b) False
26. 26.🔍 Which is the odd one out? (a) cooking oil (b) sugar (c) table salt (d) glucose powder
27. 27.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a clock or timer (c) warm water (d) honey
28. 28.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
29. 29.True or false: a big sugar cube dissolves faster. (a) True (b) False
30. 30.True or false: sugar is not needed for the dissolving test. (a) False (b) True
31. 31.🧺 Do we need a magnet for the dissolving test? (a) not needed (b) needed
32. 32.🥄 Does sugar dissolve in water? (a) does not dissolve (b) dissolves in water
33. 33.🔍 Which is the odd one out? (a) chalk powder (b) food colour (c) sugar (d) glucose powder
34. 34.🧺 Which of these is needed for the dissolving test? (a) a clock or timer (b) honey (c) a balloon (d) a mirror
35. 35.🥄 Why does sugar dissolve faster in warm water? (a) cold water is wet (b) particles move faster (c) sugar likes the dark (d) warm water is thicker
36. 36.🧺 Do we need a clock or timer for the dissolving test? (a) needed (b) not needed
37. 37.True or false: sugar is needed for the dissolving test. (a) True (b) False
38. 38.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
39. 39.🛟 How should you check if the sugar has dissolved? (a) taste it (b) look for leftover grains (c) poke it with a finger (d) smell it closely
40. 40.True or false: powdered sugar dissolves slower. (a) False (b) True

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