Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 189 · 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.True or false: a teaspoon is not needed for the dissolving test. (a) False (b) True
2. 2.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a rainbow (c) a solution (d) a magnet
3. 3.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) faster (c) slower (d) not at all
4. 4.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) powdered sugar (c) sugar in icy water (d) a big sugar cube
5. 5.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) a clock or timer (c) a comb (d) two clear glasses
6. 6.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it sank as sand (b) it became air (c) it spread in the water (d) it vanished for ever
7. 7.⚖️ 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 sugar (c) the water temperature (d) the stirring
8. 8.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a balloon (b) cold water (c) warm water (d) a clock or timer
9. 9.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) a mirror (c) honey (d) sugar
10. 10.🔍 Which is the odd one out? (a) sugar (b) chalk powder (c) glucose powder (d) baking soda
11. 11.True or false: baking soda does not dissolve in water. (a) True (b) False
12. 12.True or false: sawdust does not dissolve in water. (a) True (b) False
13. 13.True or false: sugar in warm water dissolves slower. (a) False (b) True
14. 14.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) cotton wool (c) cold water (d) two clear glasses
15. 15.True or false: table salt does not dissolve in water. (a) True (b) False
16. 16.⚖️ 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 change it (c) we measure it
17. 17.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) neither of them (c) the sugar cube (d) powdered sugar
18. 18.True or false: glucose powder dissolves in water. (a) False (b) True
19. 19.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) a teaspoon (c) two clear glasses (d) a mirror
20. 20.⚖️ 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 change it (c) we keep it the same
21. 21.True or false: cold water is needed for the dissolving test. (a) False (b) True
22. 22.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in icy water (c) a big sugar cube (d) sugar stirred well
23. 23.⚖️ 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 keep it the same (c) we measure it
24. 24.True or false: cooking oil does not dissolve in water. (a) False (b) True
25. 25.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) the water turns solid (b) all of it dissolves (c) some stays undissolved (d) the sugar turns to salt
26. 26.True or false: powdered sugar dissolves slower. (a) True (b) False
27. 27.🧺 Do we need a balloon for the dissolving test? (a) needed (b) not needed
28. 28.🧺 Do we need honey for the dissolving test? (a) not needed (b) needed
29. 29.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) sugar (c) a magnet (d) warm water
30. 30.🥄 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
31. 31.🧺 Do we need a comb for the dissolving test? (a) needed (b) not needed
32. 32.⚖️ 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
33. 33.🥄 Does table salt dissolve in water? (a) dissolves in water (b) does not dissolve
34. 34.🥄 Which of these dissolves in water? (a) table salt (b) sand (c) small pebbles (d) chalk powder
35. 35.⚖️ 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 keep it the same (c) we change it
36. 36.🥄 Which of these dissolves in water? (a) cooking oil (b) small pebbles (c) sawdust (d) baking soda
37. 37.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the amount of water (b) the stirring (c) the amount of sugar (d) time to dissolve
38. 38.True or false: small pebbles dissolves in water. (a) False (b) True
39. 39.🔍 Sand is stirred into water. What do you see after a while? (a) it turns blue (b) it settles at the bottom (c) it dissolves (d) it floats up
40. 40.⚖️ 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

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