Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 33 · 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: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) all of it dissolves (b) the sugar turns to salt (c) some stays undissolved (d) the water turns solid
2. 2.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) honey (b) warm water (c) a clock or timer (d) a teaspoon
3. 3.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is the one thing we change. (a) True (b) False
4. 4.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
5. 5.🔍 Which is the odd one out? (a) sawdust (b) glucose powder (c) table salt (d) food colour
6. 6.True or false: cotton wool is needed for the dissolving test. (a) True (b) False
7. 7.🥄 Does sand dissolve in water? (a) dissolves in water (b) does not dissolve
8. 8.⚖️ 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) True (b) False
9. 9.🧺 Which of these is not needed for the dissolving test? (a) a balloon (b) two clear glasses (c) warm water (d) a clock or timer
10. 10.🧺 Do we need a comb for the dissolving test? (a) needed (b) not needed
11. 11.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar in icy water (c) sugar left unstirred (d) powdered sugar
12. 12.🥄 Which of these does not dissolve in water? (a) sawdust (b) baking soda (c) glucose powder (d) table salt
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 “time to dissolve”? (a) we change it (b) we measure it (c) we keep it the same
15. 15.True or false: sawdust dissolves in water. (a) True (b) False
16. 16.🧺 Do we need a mirror for the dissolving test? (a) not needed (b) needed
17. 17.⚖️ 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
18. 18.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
19. 19.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we keep it the same (b) we measure it (c) we change it
20. 20.🥄 Which of these dissolves slower? (a) sugar in warm water (b) sugar in icy water (c) sugar stirred well (d) powdered sugar
21. 21.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) warm water (c) a magnet (d) a teaspoon
22. 22.🥄 Which of these dissolves in water? (a) sawdust (b) food colour (c) chalk powder (d) cooking oil
23. 23.🧺 Do we need a magnet for the dissolving test? (a) needed (b) not needed
24. 24.📘 What do we call water with sugar dissolved in it? (a) a magnet (b) a solution (c) a rainbow (d) a crystal
25. 25.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we change it (b) we keep it the same (c) we measure it
26. 26.🔍 Which is the odd one out? (a) sugar (b) baking soda (c) sand (d) table salt
27. 27.🥄 Which of these does not dissolve in water? (a) sugar (b) cooking oil (c) table salt (d) food colour
28. 28.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) a teaspoon (c) a clock or timer (d) a balloon
29. 29.🥄 Why does sugar dissolve faster in warm water? (a) particles move faster (b) sugar likes the dark (c) cold water is wet (d) warm water is thicker
30. 30.True or false: baking soda does not dissolve in water. (a) False (b) True
31. 31.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) honey (c) sugar (d) cold water
32. 32.🥄 Which of these dissolves faster? (a) sugar in icy water (b) sugar left unstirred (c) a big sugar cube (d) sugar in warm water
33. 33.🔍 Which is the odd one out? (a) sand (b) chalk powder (c) small pebbles (d) food colour
34. 34.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) cotton wool (c) two clear glasses (d) a teaspoon
35. 35.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) a teaspoon (c) a comb (d) two clear glasses
36. 36.🔍 Which is the odd one out? (a) glucose powder (b) cooking oil (c) sawdust (d) sand
37. 37.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in icy water (c) sugar stirred well (d) a big sugar cube
38. 38.🥄 Which of these does not dissolve in water? (a) table salt (b) sugar (c) glucose powder (d) chalk powder
39. 39.True or false: sugar in warm water dissolves slower. (a) True (b) False
40. 40.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is what we measure. (a) False (b) True

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