Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 363 · 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.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
2. 2.🔍 Which is the odd one out? (a) table salt (b) food colour (c) cooking oil (d) baking soda
3. 3.True or false: sawdust dissolves in water. (a) True (b) False
4. 4.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) time to dissolve (b) the water temperature (c) the amount of water
5. 5.🧺 Do we need a teaspoon for the dissolving test? (a) needed (b) not needed
6. 6.🧺 Do we need a balloon for the dissolving test? (a) needed (b) not needed
7. 7.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) a comb (c) cotton wool (d) two clear glasses
8. 8.🔍 Sand is stirred into water. What do you see after a while? (a) it turns blue (b) it floats up (c) it settles at the bottom (d) it dissolves
9. 9.🧺 Do we need a clock or timer for the dissolving test? (a) needed (b) not needed
10. 10.⚖️ 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 amount of sugar (c) the stirring (d) the water temperature
11. 11.⚖️ 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
12. 12.📘 What do we call water with sugar dissolved in it? (a) a solution (b) a magnet (c) a crystal (d) a rainbow
13. 13.🔍 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 sank as sand (d) it vanished for ever
14. 14.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) honey (b) two clear glasses (c) sugar (d) warm water
15. 15.🛟 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
16. 16.🥄 Does food colour dissolve in water? (a) dissolves in water (b) does not dissolve
17. 17.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
18. 18.True or false: powdered sugar dissolves faster. (a) True (b) False
19. 19.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) a mirror (c) a clock or timer (d) a teaspoon
20. 20.🔮 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
21. 21.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) cotton wool (c) a teaspoon (d) warm water
22. 22.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in icy water (c) sugar stirred well (d) a big sugar cube
23. 23.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar left unstirred (c) sugar in warm water (d) sugar in icy water
24. 24.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) a magnet (c) warm water (d) two clear glasses
25. 25.⚖️ 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 keep it the same (c) we measure it
26. 26.⚖️ 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
27. 27.True or false: table salt does not dissolve in water. (a) False (b) True
28. 28.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
29. 29.🔍 Which is the odd one out? (a) sawdust (b) sand (c) cooking oil (d) sugar
30. 30.True or false: powdered sugar dissolves slower. (a) True (b) False
31. 31.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is kept the same. (a) True (b) False
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.🧺 Do we need a comb for the dissolving test? (a) needed (b) not needed
34. 34.⚖️ 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
35. 35.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar stirred well (c) sugar in warm water (d) sugar in icy water
36. 36.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is kept the same. (a) True (b) False
37. 37.🧺 Do we need cotton wool for the dissolving test? (a) needed (b) not needed
38. 38.True or false: sugar in icy water dissolves faster. (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) baking soda (b) small pebbles (c) glucose powder (d) sugar
40. 40.🔍 Which is the odd one out? (a) sand (b) table salt (c) glucose powder (d) food colour

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