Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 753 · 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 dissolves faster? (a) sugar in icy water (b) a big sugar cube (c) powdered sugar (d) sugar left unstirred
2. 2.⚖️ 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) the amount of sugar (c) time to dissolve
3. 3.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is kept the same. (a) True (b) False
4. 4.⚖️ 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 keep it the same (c) we change it
5. 5.🥄 Which of these dissolves faster? (a) sugar stirred well (b) a big sugar cube (c) sugar in icy water (d) sugar left unstirred
6. 6.🥄 Does table salt dissolve in water? (a) dissolves in water (b) does not dissolve
7. 7.⚖️ 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
8. 8.🧺 Which of these is needed for the dissolving test? (a) honey (b) a comb (c) two clear glasses (d) cotton wool
9. 9.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a magnet (c) a solution (d) a rainbow
10. 10.🧺 Do we need cotton wool for the dissolving test? (a) needed (b) not needed
11. 11.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the kind of sugar (b) the stirring (c) time to dissolve (d) the amount of water
12. 12.True or false: sugar in icy water dissolves faster. (a) False (b) True
13. 13.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) a friend who is running (c) nobody needs to (d) a grown-up
14. 14.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
15. 15.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) honey (c) a teaspoon (d) sugar
16. 16.⚖️ 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 stirring
17. 17.🥄 Which of these dissolves slower? (a) sugar stirred well (b) powdered sugar (c) sugar in icy water (d) sugar in warm water
18. 18.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is what we measure. (a) False (b) True
19. 19.True or false: chalk powder does not dissolve in water. (a) True (b) False
20. 20.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
21. 21.🥄 Why does sugar dissolve faster in warm water? (a) particles move faster (b) warm water is thicker (c) cold water is wet (d) sugar likes the dark
22. 22.⚖️ 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) False (b) True
23. 23.🔍 Which is the odd one out? (a) chalk powder (b) sand (c) baking soda (d) sawdust
24. 24.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we change it (b) we keep it the same (c) we measure it
25. 25.🛟 How should you check if the sugar has dissolved? (a) poke it with a finger (b) look for leftover grains (c) smell it closely (d) taste it
26. 26.🔍 Which is the odd one out? (a) sugar (b) sand (c) table salt (d) glucose powder
27. 27.True or false: sand dissolves in water. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) table salt (b) baking soda (c) glucose powder (d) sawdust
29. 29.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a mirror (b) two clear glasses (c) a clock or timer (d) cold water
30. 30.🥄 Does sugar dissolve in water? (a) does not dissolve (b) dissolves in water
31. 31.🧺 Do we need a clock or timer for the dissolving test? (a) needed (b) not needed
32. 32.🧺 Do we need a mirror for the dissolving test? (a) needed (b) not needed
33. 33.⚖️ 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) True (b) False
34. 34.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
35. 35.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the stirring (b) the kind of sugar (c) time to dissolve (d) the water temperature
36. 36.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
37. 37.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) the water turns solid (b) some stays undissolved (c) all of it dissolves (d) the sugar turns to salt
38. 38.True or false: honey is not needed for the dissolving test. (a) True (b) False
39. 39.🥄 Which of these dissolves in water? (a) chalk powder (b) sawdust (c) food colour (d) cooking oil
40. 40.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) neither of them (b) both the same (c) the sugar cube (d) powdered sugar

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