Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 485 · 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.🛟 How should you check if the sugar has dissolved? (a) look for leftover grains (b) poke it with a finger (c) smell it closely (d) taste it
2. 2.⚖️ 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
3. 3.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the stirring (b) the amount of water (c) the water temperature (d) the kind of sugar
4. 4.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
5. 5.🔍 Which is the odd one out? (a) small pebbles (b) sand (c) cooking oil (d) glucose powder
6. 6.🥄 Which of these dissolves in water? (a) glucose powder (b) chalk powder (c) cooking oil (d) sawdust
7. 7.🧺 Do we need a magnet for the dissolving test? (a) needed (b) not needed
8. 8.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) sugar (c) a balloon (d) two clear glasses
9. 9.🛟 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
10. 10.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
11. 11.🧺 Do we need sugar for the dissolving test? (a) needed (b) not needed
12. 12.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
13. 13.🥄 Does a big sugar cube dissolve faster or slower? (a) slower (b) faster
14. 14.⚖️ 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
15. 15.🥄 Which of these dissolves slower? (a) sugar stirred well (b) sugar in warm water (c) sugar left unstirred (d) powdered sugar
16. 16.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) warm water (c) two clear glasses (d) a balloon
17. 17.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) the sugar cube (b) neither of them (c) powdered sugar (d) both the same
18. 18.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in icy water (c) sugar in warm water (d) sugar stirred well
19. 19.True or false: sugar does not dissolve in water. (a) False (b) True
20. 20.🥄 Which of these does not dissolve in water? (a) sugar (b) food colour (c) sand (d) baking soda
21. 21.🥄 Which of these dissolves slower? (a) sugar in warm water (b) powdered sugar (c) a big sugar cube (d) sugar stirred well
22. 22.True or false: sugar left unstirred dissolves slower. (a) True (b) False
23. 23.True or false: cooking oil dissolves in water. (a) False (b) True
24. 24.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a teaspoon (c) a mirror (d) warm water
25. 25.🧺 Which of these is needed for the dissolving test? (a) a comb (b) a balloon (c) sugar (d) cotton wool
26. 26.🧺 Do we need a clock or timer for the dissolving test? (a) needed (b) not needed
27. 27.⚖️ 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
28. 28.⚖️ 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
29. 29.True or false: sawdust does not dissolve in water. (a) True (b) False
30. 30.🔍 Sand is stirred into water. What do you see after a while? (a) it floats up (b) it settles at the bottom (c) it turns blue (d) it dissolves
31. 31.True or false: a clock or timer is needed for the dissolving test. (a) False (b) True
32. 32.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the water temperature (b) the amount of sugar (c) the stirring (d) time to dissolve
33. 33.🧺 Which of these is not needed for the dissolving test? (a) honey (b) two clear glasses (c) a teaspoon (d) a clock or timer
34. 34.🥄 Does glucose powder dissolve in water? (a) does not dissolve (b) dissolves in water
35. 35.🥄 Does cooking oil dissolve in water? (a) does not dissolve (b) dissolves in water
36. 36.🔍 Which is the odd one out? (a) chalk powder (b) small pebbles (c) sand (d) food colour
37. 37.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we keep it the same (b) we change it (c) we measure it
38. 38.🥄 Which of these dissolves in water? (a) sand (b) small pebbles (c) chalk powder (d) sugar
39. 39.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
40. 40.🔍 Which is the odd one out? (a) sawdust (b) table salt (c) sand (d) small pebbles

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