Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 624 · 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 slower? (a) sugar in icy water (b) powdered sugar (c) sugar in warm water (d) sugar stirred well
2. 2.True or false: table salt does not dissolve in water. (a) True (b) False
3. 3.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) cold water (c) a balloon (d) two clear glasses
4. 4.🛟 Who should pour the warm water in the dissolving test? (a) nobody needs to (b) a grown-up (c) the youngest child (d) a friend who is running
5. 5.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) a teaspoon (c) sugar (d) a mirror
6. 6.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it sank as sand (b) it vanished for ever (c) it spread in the water (d) it became air
7. 7.🧺 Do we need a mirror for the dissolving test? (a) not needed (b) needed
8. 8.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a magnet (c) a clock or timer (d) two clear glasses
9. 9.True or false: two clear glasses is not needed for the dissolving test. (a) True (b) False
10. 10.🧺 Which of these is needed for the dissolving test? (a) honey (b) a comb (c) a balloon (d) cold water
11. 11.⚖️ 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 stirring (c) the amount of water (d) the water temperature
12. 12.⚖️ 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) True (b) False
13. 13.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
14. 14.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar left unstirred (c) sugar in icy water (d) sugar in warm water
15. 15.🧺 Which of these is not needed for the dissolving test? (a) a balloon (b) sugar (c) two clear glasses (d) cold water
16. 16.True or false: sand does not dissolve in water. (a) True (b) False
17. 17.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a comb (b) two clear glasses (c) sugar (d) warm water
18. 18.True or false: powdered sugar dissolves faster. (a) True (b) False
19. 19.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we change it (b) we measure it (c) we keep it the same
20. 20.🧺 Which of these is needed for the dissolving test? (a) a comb (b) honey (c) a magnet (d) two clear glasses
21. 21.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
22. 22.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
23. 23.🧺 Which of these is not needed for the dissolving test? (a) honey (b) sugar (c) a clock or timer (d) cold water
24. 24.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) warm water (c) a teaspoon (d) honey
25. 25.🔍 Which is the odd one out? (a) small pebbles (b) chalk powder (c) sawdust (d) glucose powder
26. 26.⚖️ 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) time to dissolve (c) the amount of sugar
27. 27.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the amount of sugar (b) the stirring (c) time to dissolve (d) the water temperature
28. 28.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) a clock or timer (c) a comb (d) sugar
29. 29.True or false: two clear glasses is needed for the dissolving test. (a) True (b) False
30. 30.True or false: baking soda does not dissolve in water. (a) False (b) True
31. 31.🔮 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
32. 32.🥄 Does sugar in warm water dissolve faster or slower? (a) faster (b) slower
33. 33.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a clock or timer (c) a mirror (d) cold water
34. 34.🧺 Do we need a teaspoon for the dissolving test? (a) needed (b) not needed
35. 35.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) cotton wool (c) a teaspoon (d) sugar
36. 36.True or false: sugar in warm water dissolves faster. (a) True (b) False
37. 37.🔍 How can you get the salt back from salty water? (a) add more water (b) let the water evaporate (c) keep it in a fridge (d) stir it more
38. 38.🔍 Which is the odd one out? (a) sugar (b) sawdust (c) chalk powder (d) cooking oil
39. 39.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) the sugar cube (b) neither of them (c) both the same (d) powdered sugar
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 keep it the same (b) we change it (c) we measure it

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