Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 951 · 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.True or false: a balloon is not needed for the dissolving test. (a) False (b) True
2. 2.📘 What do we call water with sugar dissolved in it? (a) a rainbow (b) a crystal (c) a solution (d) a magnet
3. 3.🔍 Which is the odd one out? (a) sand (b) food colour (c) baking soda (d) glucose powder
4. 4.🥄 Why does sugar dissolve faster in warm water? (a) cold water is wet (b) sugar likes the dark (c) warm water is thicker (d) particles move faster
5. 5.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is kept the same. (a) False (b) True
6. 6.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) the sugar cube (c) neither of them (d) powdered sugar
7. 7.True or false: table salt dissolves in water. (a) True (b) False
8. 8.⚖️ 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
9. 9.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) sugar (c) two clear glasses (d) a magnet
10. 10.🧺 Which of these is needed for the dissolving test? (a) warm water (b) cotton wool (c) a magnet (d) a balloon
11. 11.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
12. 12.True or false: two clear glasses is needed for the dissolving test. (a) False (b) True
13. 13.🥄 Does cooking oil dissolve in water? (a) dissolves in water (b) does not dissolve
14. 14.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
15. 15.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) slower (b) the same (c) faster (d) not at all
16. 16.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the amount of sugar (b) the water temperature (c) time to dissolve
17. 17.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it sank as sand (b) it spread in the water (c) it vanished for ever (d) it became air
18. 18.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) two clear glasses (c) honey (d) a teaspoon
19. 19.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) a clock or timer (c) a balloon (d) a teaspoon
20. 20.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
21. 21.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) a teaspoon (c) a balloon (d) a clock or timer
22. 22.🔍 Which is the odd one out? (a) sand (b) glucose powder (c) cooking oil (d) chalk powder
23. 23.⚖️ 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) True (b) False
24. 24.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar stirred well (c) sugar left unstirred (d) sugar in warm water
25. 25.🥄 Does glucose powder dissolve in water? (a) dissolves in water (b) does not dissolve
26. 26.🧺 Do we need a teaspoon for the dissolving test? (a) needed (b) not needed
27. 27.True or false: baking soda dissolves in water. (a) False (b) True
28. 28.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar stirred well (c) sugar left unstirred (d) sugar in icy water
29. 29.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a mirror (b) warm water (c) a teaspoon (d) two clear glasses
30. 30.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) the water turns solid (b) all of it dissolves (c) some stays undissolved (d) the sugar turns to salt
31. 31.⚖️ 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
32. 32.🛟 How should you check if the sugar has dissolved? (a) look for leftover grains (b) poke it with a finger (c) taste it (d) smell it closely
33. 33.True or false: a big sugar cube dissolves faster. (a) False (b) True
34. 34.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
35. 35.🥄 Which of these dissolves in water? (a) glucose powder (b) sand (c) small pebbles (d) sawdust
36. 36.⚖️ 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
37. 37.⚖️ 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) the amount of sugar (c) time to dissolve (d) the water temperature
38. 38.🔍 Which is the odd one out? (a) cooking oil (b) small pebbles (c) sawdust (d) sugar
39. 39.🥄 Does food colour dissolve in water? (a) dissolves in water (b) does not dissolve
40. 40.🥄 Which of these dissolves slower? (a) sugar in warm water (b) sugar stirred well (c) sugar in icy water (d) powdered sugar

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