Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 716 · 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.⚖️ 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 water temperature (c) time to dissolve (d) the amount of water
2. 2.True or false: sugar is needed for the dissolving test. (a) False (b) True
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) False (b) True
4. 4.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
5. 5.🛟 How should you check if the sugar has dissolved? (a) taste it (b) smell it closely (c) poke it with a finger (d) look for leftover grains
6. 6.⚖️ 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
7. 7.🥄 Does cooking oil dissolve in water? (a) does not dissolve (b) dissolves in water
8. 8.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
9. 9.🥄 Which of these dissolves slower? (a) sugar in warm water (b) a big sugar cube (c) powdered sugar (d) sugar stirred well
10. 10.🔍 Which is the odd one out? (a) sand (b) food colour (c) glucose powder (d) baking soda
11. 11.True or false: small pebbles does not dissolve in water. (a) False (b) True
12. 12.True or false: table salt does not dissolve in water. (a) False (b) True
13. 13.🥄 Does sugar left unstirred dissolve faster or slower? (a) slower (b) faster
14. 14.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the water temperature (b) the kind of sugar (c) the amount of water (d) time to dissolve
15. 15.🧺 Which of these is not needed for the dissolving test? (a) honey (b) two clear glasses (c) cold water (d) warm water
16. 16.🥄 Which of these dissolves in water? (a) sand (b) cooking oil (c) chalk powder (d) glucose powder
17. 17.🧺 Do we need a magnet for the dissolving test? (a) not needed (b) needed
18. 18.🥄 Does sugar dissolve in water? (a) does not dissolve (b) dissolves in water
19. 19.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) slower (c) faster (d) not at all
20. 20.⚖️ 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
21. 21.🥄 Which of these dissolves slower? (a) sugar left unstirred (b) powdered sugar (c) sugar in warm water (d) sugar stirred well
22. 22.⚖️ 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
23. 23.⚖️ 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 amount of water (c) the water temperature
24. 24.🧺 Which of these is needed for the dissolving test? (a) a comb (b) cotton wool (c) warm water (d) honey
25. 25.True or false: cotton wool is needed for the dissolving test. (a) False (b) True
26. 26.📘 What do we call water with sugar dissolved in it? (a) a solution (b) a rainbow (c) a magnet (d) a crystal
27. 27.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) powdered sugar (b) both the same (c) neither of them (d) the sugar cube
28. 28.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) warm water (c) sugar (d) cotton wool
29. 29.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we change it (b) we measure it (c) we keep it the same
30. 30.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
31. 31.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) the sugar turns to salt (b) the water turns solid (c) some stays undissolved (d) all of it dissolves
32. 32.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we measure it (b) we change it (c) we keep it the same
33. 33.True or false: sawdust dissolves in water. (a) False (b) True
34. 34.⚖️ 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
35. 35.🔍 Sand is stirred into water. What do you see after a while? (a) it floats up (b) it settles at the bottom (c) it turns blue (d) it dissolves
36. 36.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the amount of sugar (b) the water temperature (c) time to dissolve
37. 37.🧺 Which of these is needed for the dissolving test? (a) a clock or timer (b) a mirror (c) honey (d) cotton wool
38. 38.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) sugar (c) a mirror (d) a clock or timer
39. 39.⚖️ 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 change it (c) we measure it
40. 40.🛟 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

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