Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 652 · 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) the water turns solid (d) some stays undissolved
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) the amount of sugar (b) the amount of water (c) the water temperature (d) the stirring
3. 3.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) faster (b) not at all (c) slower (d) the same
4. 4.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we measure it (b) we change it (c) we keep it the same
5. 5.True or false: a big sugar cube dissolves slower. (a) True (b) False
6. 6.🧺 Which of these is needed for the dissolving test? (a) a comb (b) a magnet (c) cold water (d) a mirror
7. 7.🥄 Which of these dissolves faster? (a) sugar in warm water (b) a big sugar cube (c) sugar left unstirred (d) sugar in icy water
8. 8.🥄 Which of these does not dissolve in water? (a) food colour (b) sand (c) glucose powder (d) table salt
9. 9.🥄 Which of these dissolves faster? (a) powdered sugar (b) sugar in icy water (c) sugar left unstirred (d) a big sugar cube
10. 10.🔍 How can you get the salt back from salty water? (a) let the water evaporate (b) add more water (c) keep it in a fridge (d) stir it more
11. 11.⚖️ 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
12. 12.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) cold water (c) a teaspoon (d) a magnet
13. 13.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
14. 14.⚖️ 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) False (b) True
15. 15.🥄 Which of these does not dissolve in water? (a) sugar (b) glucose powder (c) small pebbles (d) food colour
16. 16.True or false: powdered sugar dissolves slower. (a) True (b) False
17. 17.True or false: a teaspoon is not needed for the dissolving test. (a) True (b) False
18. 18.⚖️ 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) False (b) True
19. 19.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
20. 20.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) a mirror (c) warm water (d) cold water
21. 21.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
22. 22.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) taste it (c) look for leftover grains (d) poke it with a finger
23. 23.True or false: sugar stirred well dissolves faster. (a) True (b) False
24. 24.🥄 Which of these does not dissolve in water? (a) glucose powder (b) sawdust (c) sugar (d) table salt
25. 25.🧺 Do we need a mirror for the dissolving test? (a) not needed (b) needed
26. 26.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) a clock or timer (c) cold water (d) a comb
27. 27.True or false: a teaspoon is needed for the dissolving test. (a) False (b) True
28. 28.🥄 Which of these does not dissolve in water? (a) baking soda (b) glucose powder (c) cooking oil (d) food colour
29. 29.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) the sugar cube (b) both the same (c) neither of them (d) powdered sugar
30. 30.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) a magnet (c) sugar (d) a clock or timer
31. 31.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) honey (c) a teaspoon (d) a balloon
32. 32.True or false: sugar does not dissolve in water. (a) True (b) False
33. 33.🥄 Which of these dissolves in water? (a) sawdust (b) small pebbles (c) chalk powder (d) sugar
34. 34.🔍 Which is the odd one out? (a) baking soda (b) sand (c) food colour (d) glucose powder
35. 35.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) warm water (c) a mirror (d) two clear glasses
36. 36.🥄 Which of these does not dissolve in water? (a) chalk powder (b) sugar (c) table salt (d) food colour
37. 37.🔍 Which is the odd one out? (a) cooking oil (b) small pebbles (c) chalk powder (d) sugar
38. 38.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is what we measure. (a) False (b) True
39. 39.⚖️ 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 stirring (c) time to dissolve
40. 40.True or false: chalk powder does not dissolve in water. (a) True (b) False

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