Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 88 · 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.🥄 Which of these does not dissolve in water? (a) food colour (b) glucose powder (c) table salt (d) cooking oil
2. 2.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) a comb (c) a magnet (d) cold water
3. 3.🧺 Do we need a mirror for the dissolving test? (a) not needed (b) needed
4. 4.🔍 Which is the odd one out? (a) sugar (b) food colour (c) baking soda (d) chalk powder
5. 5.🧺 Do we need a magnet for the dissolving test? (a) needed (b) not needed
6. 6.True or false: food colour dissolves in water. (a) False (b) True
7. 7.True or false: food colour does not dissolve in water. (a) False (b) True
8. 8.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) cotton wool (c) a teaspoon (d) warm water
9. 9.True or false: baking soda does not dissolve in water. (a) False (b) True
10. 10.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) time to dissolve (b) the stirring (c) the water temperature (d) the kind of sugar
11. 11.True or false: a comb is needed for the dissolving test. (a) False (b) True
12. 12.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we keep it the same (b) we measure it (c) we change it
13. 13.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
14. 14.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a magnet (c) sugar (d) a clock or timer
15. 15.🥄 Why does sugar dissolve faster in warm water? (a) sugar likes the dark (b) particles move faster (c) warm water is thicker (d) cold water is wet
16. 16.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
17. 17.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar stirred well (c) sugar in icy water (d) a big sugar cube
18. 18.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we change it (b) we measure it (c) we keep it the same
19. 19.🥄 Which of these dissolves in water? (a) sugar (b) cooking oil (c) chalk powder (d) sawdust
20. 20.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a mirror (b) cold water (c) a teaspoon (d) sugar
21. 21.⚖️ 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
22. 22.🥄 Which of these dissolves slower? (a) a big sugar cube (b) sugar stirred well (c) powdered sugar (d) sugar in warm water
23. 23.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) warm water (c) two clear glasses (d) a magnet
24. 24.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
25. 25.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is kept the same. (a) True (b) False
26. 26.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we change it (b) we keep it the same (c) we measure it
27. 27.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
28. 28.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
29. 29.🔍 Which is the odd one out? (a) sugar (b) baking soda (c) food colour (d) sawdust
30. 30.🔍 How can you get the salt back from salty water? (a) add more water (b) let the water evaporate (c) stir it more (d) keep it in a fridge
31. 31.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) cotton wool (c) a magnet (d) two clear glasses
32. 32.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the amount of sugar (b) the water temperature (c) the kind of sugar (d) time to dissolve
33. 33.True or false: sugar in warm water dissolves slower. (a) True (b) False
34. 34.True or false: a teaspoon is not needed for the dissolving test. (a) True (b) False
35. 35.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar left unstirred (c) sugar in icy water (d) sugar in warm water
36. 36.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) two clear glasses (c) a teaspoon (d) a comb
37. 37.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) honey (c) a magnet (d) a teaspoon
38. 38.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) a mirror (c) warm water (d) a teaspoon
39. 39.True or false: sugar stirred well dissolves slower. (a) True (b) False
40. 40.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) some stays undissolved (b) the sugar turns to salt (c) the water turns solid (d) all of it dissolves

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