Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 539 · 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 is the odd one out? (a) cooking oil (b) sawdust (c) chalk powder (d) table salt
2. 2.⚖️ 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 amount of water (c) the water temperature (d) the amount of sugar
3. 3.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) a friend who is running (c) a grown-up (d) nobody needs to
4. 4.True or false: sugar dissolves in water. (a) True (b) False
5. 5.⚖️ 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 measure it (c) we keep it the same
6. 6.🔍 Which is the odd one out? (a) chalk powder (b) table salt (c) glucose powder (d) baking soda
7. 7.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
8. 8.True or false: sugar stirred well dissolves faster. (a) False (b) True
9. 9.📘 What do we call water with sugar dissolved in it? (a) a magnet (b) a solution (c) a rainbow (d) a crystal
10. 10.True or false: honey is needed for the dissolving test. (a) False (b) True
11. 11.⚖️ 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
12. 12.⚖️ 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
13. 13.True or false: honey is not needed for the dissolving test. (a) False (b) True
14. 14.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
15. 15.🔍 Which is the odd one out? (a) sand (b) table salt (c) food colour (d) glucose powder
16. 16.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is what we measure. (a) False (b) True
17. 17.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) faster (c) slower (d) not at all
18. 18.⚖️ 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
19. 19.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
20. 20.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the stirring (b) the amount of sugar (c) time to dissolve (d) the kind of 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 keep it the same (b) we measure it (c) we change it
22. 22.🥄 Does cooking oil dissolve in water? (a) does not dissolve (b) dissolves in water
23. 23.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar left unstirred (c) sugar in icy water (d) powdered sugar
24. 24.True or false: small pebbles does not dissolve in water. (a) False (b) True
25. 25.🥄 Does sawdust dissolve in water? (a) does not dissolve (b) dissolves in water
26. 26.True or false: a balloon is needed for the dissolving test. (a) True (b) False
27. 27.True or false: a comb is needed for the dissolving test. (a) False (b) True
28. 28.🥄 Why does sugar dissolve faster in warm water? (a) warm water is thicker (b) cold water is wet (c) sugar likes the dark (d) particles move faster
29. 29.🥄 Does sugar dissolve in water? (a) does not dissolve (b) dissolves in water
30. 30.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) taste it (c) poke it with a finger (d) look for leftover grains
31. 31.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is the one thing we change. (a) True (b) False
32. 32.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) cotton wool (c) two clear glasses (d) a clock or timer
33. 33.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) a clock or timer (c) sugar (d) cotton wool
34. 34.🥄 Does table salt dissolve in water? (a) dissolves in water (b) does not dissolve
35. 35.🔍 How can you get the salt back from salty water? (a) let the water evaporate (b) add more water (c) stir it more (d) keep it in a fridge
36. 36.🥄 Which of these dissolves in water? (a) cooking oil (b) sand (c) glucose powder (d) chalk powder
37. 37.🧺 Which of these is needed for the dissolving test? (a) a comb (b) two clear glasses (c) honey (d) a mirror
38. 38.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) a teaspoon (c) a mirror (d) sugar
39. 39.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) two clear glasses (c) honey (d) sugar
40. 40.⚖️ 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

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