Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 24 · 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.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) slower (b) faster (c) the same (d) not at all
2. 2.🥄 Which of these does not dissolve in water? (a) sand (b) glucose powder (c) sugar (d) food colour
3. 3.True or false: a balloon is not needed for the dissolving test. (a) False (b) True
4. 4.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
5. 5.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the water temperature (b) the kind of sugar (c) the stirring (d) the amount of water
6. 6.🛟 How should you check if the sugar has dissolved? (a) taste it (b) look for leftover grains (c) smell it closely (d) poke it with a finger
7. 7.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the water temperature (b) time to dissolve (c) the stirring
8. 8.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) two clear glasses (c) honey (d) a teaspoon
9. 9.True or false: a big sugar cube dissolves faster. (a) True (b) False
10. 10.🥄 Does cooking oil dissolve in water? (a) dissolves in water (b) does not dissolve
11. 11.True or false: a magnet is needed for the dissolving test. (a) False (b) True
12. 12.True or false: sugar in icy water dissolves slower. (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) food colour (b) sugar (c) glucose powder (d) chalk powder
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 does not dissolve in water? (a) baking soda (b) glucose powder (c) small pebbles (d) table salt
16. 16.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) a balloon (c) two clear glasses (d) cold water
17. 17.🛟 Who should pour the warm water in the dissolving test? (a) a friend who is running (b) the youngest child (c) nobody needs to (d) a grown-up
18. 18.True or false: glucose powder dissolves in water. (a) True (b) False
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 change it (c) we keep it the same
20. 20.⚖️ 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
21. 21.🥄 Which of these dissolves in water? (a) food colour (b) small pebbles (c) cooking oil (d) chalk powder
22. 22.🔮 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) the water turns solid (c) some stays undissolved (d) all of it dissolves
23. 23.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
24. 24.🥄 Does food colour dissolve in water? (a) dissolves in water (b) does not dissolve
25. 25.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) powdered sugar (c) neither of them (d) the sugar cube
26. 26.🔍 Sand is stirred into water. What do you see after a while? (a) it dissolves (b) it floats up (c) it turns blue (d) it settles at the bottom
27. 27.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
28. 28.🥄 Which of these dissolves in water? (a) small pebbles (b) sawdust (c) table salt (d) cooking oil
29. 29.True or false: sugar in warm water dissolves faster. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) glucose powder (b) sawdust (c) food colour (d) baking soda
31. 31.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we measure it (b) we keep it the same (c) we change it
32. 32.🔍 Which is the odd one out? (a) small pebbles (b) sand (c) chalk powder (d) baking soda
33. 33.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is the one thing we change. (a) True (b) False
34. 34.True or false: baking soda does not dissolve in water. (a) False (b) True
35. 35.🥄 Does sugar dissolve in water? (a) does not dissolve (b) dissolves in water
36. 36.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is what we measure. (a) True (b) False
37. 37.🥄 Does sugar in icy water dissolve faster or slower? (a) slower (b) faster
38. 38.🔍 Which is the odd one out? (a) table salt (b) food colour (c) sugar (d) cooking oil
39. 39.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we measure it (b) we change it (c) we keep it the same
40. 40.⚖️ 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

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