Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 473 · 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) taste it (b) poke it with a finger (c) look for leftover grains (d) smell it closely
2. 2.📘 What do we call water with sugar dissolved in it? (a) a solution (b) a magnet (c) a rainbow (d) a crystal
3. 3.🥄 Which of these dissolves slower? (a) sugar in warm water (b) powdered sugar (c) sugar stirred well (d) sugar in icy water
4. 4.🥄 Which of these dissolves faster? (a) powdered sugar (b) a big sugar cube (c) sugar left unstirred (d) sugar in icy water
5. 5.True or false: table salt dissolves in water. (a) True (b) False
6. 6.🔍 Sand is stirred into water. What do you see after a while? (a) it turns blue (b) it dissolves (c) it floats up (d) it settles at the bottom
7. 7.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
8. 8.True or false: a balloon is needed for the dissolving test. (a) False (b) True
9. 9.⚖️ 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 water temperature (c) the amount of water (d) time to dissolve
10. 10.True or false: powdered sugar dissolves slower. (a) False (b) True
11. 11.🧺 Do we need a clock or timer for the dissolving test? (a) not needed (b) needed
12. 12.🛟 Who should pour the warm water in the dissolving test? (a) a grown-up (b) nobody needs to (c) a friend who is running (d) the youngest child
13. 13.True or false: food colour dissolves in water. (a) False (b) True
14. 14.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) two clear glasses (c) a balloon (d) cold water
15. 15.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) a magnet (c) cold water (d) two clear glasses
16. 16.🥄 Which of these does not dissolve in water? (a) table salt (b) food colour (c) sand (d) sugar
17. 17.⚖️ 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
18. 18.True or false: a clock or timer is not needed for the dissolving test. (a) False (b) True
19. 19.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) a teaspoon (c) a clock or timer (d) cotton wool
20. 20.🥄 Which of these dissolves in water? (a) small pebbles (b) chalk powder (c) cooking oil (d) sugar
21. 21.🥄 Which of these dissolves slower? (a) sugar stirred well (b) sugar left unstirred (c) sugar in warm water (d) powdered sugar
22. 22.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a magnet (c) cold water (d) honey
23. 23.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
24. 24.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
25. 25.🧺 Do we need a comb for the dissolving test? (a) not needed (b) needed
26. 26.🥄 Does cooking oil dissolve in water? (a) does not dissolve (b) dissolves in water
27. 27.🥄 Does table salt dissolve in water? (a) does not dissolve (b) dissolves in water
28. 28.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) a comb (c) warm water (d) cotton wool
29. 29.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we keep it the same (b) we change it (c) we measure it
30. 30.🥄 Which of these does not dissolve in water? (a) sugar (b) cooking oil (c) food colour (d) glucose powder
31. 31.🔍 Which is the odd one out? (a) cooking oil (b) small pebbles (c) glucose powder (d) sawdust
32. 32.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) sugar (c) cold water (d) cotton wool
33. 33.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we change it (b) we measure it (c) we keep it the same
34. 34.🥄 Does sugar left unstirred dissolve faster or slower? (a) faster (b) slower
35. 35.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) the sugar turns to salt (b) all of it dissolves (c) the water turns solid (d) some stays undissolved
36. 36.🥄 Does chalk powder dissolve in water? (a) does not dissolve (b) dissolves in water
37. 37.🥄 Which of these does not dissolve in water? (a) sawdust (b) baking soda (c) food colour (d) sugar
38. 38.True or false: cold water is needed for the dissolving test. (a) True (b) False
39. 39.⚖️ 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 kind of sugar
40. 40.🥄 Which of these dissolves faster? (a) sugar in icy water (b) a big sugar cube (c) sugar left unstirred (d) sugar stirred well

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