Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 749 · 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.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
2. 2.🛟 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
3. 3.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
4. 4.True or false: chalk powder does not dissolve in water. (a) False (b) True
5. 5.🛟 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
6. 6.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is the one thing we change. (a) False (b) True
7. 7.🥄 Which of these dissolves in water? (a) sugar (b) small pebbles (c) chalk powder (d) sand
8. 8.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is kept the same. (a) False (b) True
9. 9.True or false: sugar in warm water dissolves faster. (a) False (b) True
10. 10.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in icy water (c) sugar in warm water (d) sugar stirred well
11. 11.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) honey (b) a clock or timer (c) warm water (d) cold water
12. 12.🧺 Do we need cold water for the dissolving test? (a) needed (b) not needed
13. 13.🥄 Does baking soda dissolve in water? (a) dissolves in water (b) does not dissolve
14. 14.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
15. 15.True or false: a big sugar cube dissolves slower. (a) False (b) True
16. 16.🔍 Sand is stirred into water. What do you see after a while? (a) it dissolves (b) it turns blue (c) it floats up (d) it settles at the bottom
17. 17.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is kept the same. (a) False (b) True
18. 18.🥄 Which of these dissolves in water? (a) glucose powder (b) sand (c) small pebbles (d) sawdust
19. 19.🔍 Which is the odd one out? (a) small pebbles (b) baking soda (c) sugar (d) table salt
20. 20.⚖️ 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
21. 21.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) all of it dissolves (b) the water turns solid (c) the sugar turns to salt (d) some stays undissolved
22. 22.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) faster (c) the same (d) slower
23. 23.🧺 Which of these is needed for the dissolving test? (a) honey (b) a magnet (c) a balloon (d) warm water
24. 24.🧺 Do we need a teaspoon for the dissolving test? (a) needed (b) not needed
25. 25.🔍 Which is the odd one out? (a) food colour (b) sawdust (c) small pebbles (d) cooking oil
26. 26.True or false: sugar stirred well dissolves slower. (a) True (b) False
27. 27.True or false: a teaspoon is not needed for the dissolving test. (a) True (b) False
28. 28.⚖️ 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 kind of sugar
29. 29.🥄 Does table salt dissolve in water? (a) does not dissolve (b) dissolves in water
30. 30.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is the one thing we change. (a) True (b) False
31. 31.🥄 Which of these dissolves faster? (a) sugar in icy water (b) a big sugar cube (c) sugar left unstirred (d) sugar stirred well
32. 32.True or false: two clear glasses is not needed for the dissolving test. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) food colour (b) sawdust (c) glucose powder (d) sugar
34. 34.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar in icy water (c) powdered sugar (d) sugar left unstirred
35. 35.🥄 Which of these dissolves in water? (a) sand (b) baking soda (c) sawdust (d) cooking oil
36. 36.🔍 Which is the odd one out? (a) baking soda (b) sugar (c) sand (d) table salt
37. 37.🧺 Which of these is not needed for the dissolving test? (a) honey (b) a teaspoon (c) warm water (d) cold water
38. 38.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the amount of water (b) the stirring (c) the kind of sugar (d) the water temperature
39. 39.🥄 Which of these dissolves in water? (a) table salt (b) sawdust (c) chalk powder (d) small pebbles
40. 40.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in icy water (c) sugar in warm water (d) a big sugar cube

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