Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 853 · 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: powdered sugar dissolves faster. (a) False (b) True
2. 2.🥄 Does table salt dissolve in water? (a) does not dissolve (b) dissolves in water
3. 3.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
4. 4.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) warm water (c) a teaspoon (d) a magnet
5. 5.🥄 Why does sugar dissolve faster in warm water? (a) particles move faster (b) sugar likes the dark (c) warm water is thicker (d) cold water is wet
6. 6.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) faster (c) not at all (d) slower
7. 7.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) honey (c) warm water (d) cotton wool
8. 8.⚖️ 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 amount of sugar (c) the water temperature
9. 9.True or false: sugar in icy water dissolves faster. (a) False (b) True
10. 10.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a balloon (b) a teaspoon (c) two clear glasses (d) warm water
11. 11.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in warm water (c) sugar stirred well (d) a big sugar cube
12. 12.🔍 Which is the odd one out? (a) small pebbles (b) table salt (c) cooking oil (d) sawdust
13. 13.🥄 Which of these dissolves faster? (a) sugar in icy water (b) powdered sugar (c) a big sugar cube (d) sugar left unstirred
14. 14.True or false: glucose powder dissolves in water. (a) True (b) False
15. 15.🥄 Which of these does not dissolve in water? (a) glucose powder (b) chalk powder (c) baking soda (d) food colour
16. 16.True or false: sugar in warm water dissolves faster. (a) False (b) True
17. 17.True or false: honey is needed for the dissolving test. (a) True (b) False
18. 18.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in warm water (c) sugar left unstirred (d) sugar stirred well
19. 19.⚖️ 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 keep it the same (c) we change it
20. 20.🛟 Who should pour the warm water in the dissolving test? (a) a friend who is running (b) a grown-up (c) nobody needs to (d) the youngest child
21. 21.🧺 Which of these is needed for the dissolving test? (a) honey (b) cold water (c) cotton wool (d) a comb
22. 22.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a magnet (c) a solution (d) a rainbow
23. 23.True or false: a teaspoon is not needed for the dissolving test. (a) False (b) True
24. 24.⚖️ 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
25. 25.True or false: warm water is needed for the dissolving test. (a) False (b) True
26. 26.🥄 Does sugar in icy water dissolve faster or slower? (a) slower (b) faster
27. 27.🛟 How should you check if the sugar has dissolved? (a) look for leftover grains (b) taste it (c) poke it with a finger (d) smell it closely
28. 28.True or false: chalk powder does not dissolve in water. (a) False (b) True
29. 29.True or false: sawdust does not dissolve in water. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) sugar (b) baking soda (c) cooking oil (d) glucose powder
31. 31.⚖️ 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 measure it (c) we change it
32. 32.⚖️ 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
33. 33.🧺 Do we need a comb for the dissolving test? (a) not needed (b) needed
34. 34.🧺 Do we need a magnet for the dissolving test? (a) not needed (b) needed
35. 35.🔍 Which is the odd one out? (a) sawdust (b) chalk powder (c) cooking oil (d) sugar
36. 36.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) neither of them (b) the sugar cube (c) both the same (d) powdered sugar
37. 37.True or false: sugar does not dissolve in water. (a) True (b) False
38. 38.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
39. 39.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is what we measure. (a) False (b) True
40. 40.⚖️ 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) time to dissolve (d) the water temperature

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