Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 997 · 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: honey is needed for the dissolving test. (a) False (b) True
2. 2.🧺 Do we need a clock or timer for the dissolving test? (a) not needed (b) needed
3. 3.True or false: powdered sugar dissolves faster. (a) False (b) True
4. 4.True or false: sugar is needed for the dissolving test. (a) True (b) False
5. 5.🥄 Which of these dissolves slower? (a) powdered sugar (b) a big sugar cube (c) sugar in warm water (d) sugar stirred well
6. 6.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) sugar (c) warm water (d) a balloon
7. 7.🔍 Which is the odd one out? (a) sugar (b) glucose powder (c) baking soda (d) sand
8. 8.🥄 Which of these dissolves in water? (a) small pebbles (b) chalk powder (c) baking soda (d) cooking oil
9. 9.⚖️ 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
10. 10.🥄 Which of these does not dissolve in water? (a) sugar (b) cooking oil (c) food colour (d) glucose powder
11. 11.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) sugar (c) two clear glasses (d) cotton wool
12. 12.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar stirred well (c) sugar left unstirred (d) sugar in icy water
13. 13.True or false: sand dissolves in water. (a) False (b) True
14. 14.True or false: a balloon is needed for the dissolving test. (a) False (b) True
15. 15.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) cold water (c) a teaspoon (d) a magnet
16. 16.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar left unstirred (c) sugar stirred well (d) sugar in warm water
17. 17.🥄 Which of these dissolves in water? (a) sand (b) cooking oil (c) small pebbles (d) sugar
18. 18.🥄 Which of these dissolves faster? (a) sugar in warm water (b) sugar left unstirred (c) a big sugar cube (d) sugar in icy water
19. 19.🧺 Do we need a balloon for the dissolving test? (a) not needed (b) needed
20. 20.True or false: sand does not dissolve in water. (a) False (b) True
21. 21.🧺 Which of these is needed for the dissolving test? (a) a comb (b) a balloon (c) a mirror (d) a clock or timer
22. 22.🥄 Does sugar in icy water dissolve faster or slower? (a) slower (b) faster
23. 23.⚖️ 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) time to dissolve (c) the stirring (d) the water temperature
24. 24.🛟 Who should pour the warm water in the dissolving test? (a) nobody needs to (b) a grown-up (c) a friend who is running (d) the youngest child
25. 25.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) a mirror (c) a teaspoon (d) sugar
26. 26.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) slower (c) faster (d) the same
27. 27.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
28. 28.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) some stays undissolved (b) the sugar turns to salt (c) the water turns solid (d) all of it dissolves
29. 29.🥄 Does baking soda dissolve in water? (a) dissolves in water (b) does not dissolve
30. 30.🧺 Do we need a magnet for the dissolving test? (a) not needed (b) needed
31. 31.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it became air (b) it vanished for ever (c) it sank as sand (d) it spread in the water
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 keep it the same (b) we change it (c) we measure it
33. 33.⚖️ 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
34. 34.True or false: baking soda dissolves in water. (a) True (b) False
35. 35.🥄 Which of these does not dissolve in water? (a) glucose powder (b) sugar (c) baking soda (d) sawdust
36. 36.True or false: warm water is not needed for the dissolving test. (a) True (b) False
37. 37.True or false: cooking oil dissolves in water. (a) True (b) False
38. 38.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
39. 39.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we measure it (b) we keep it the same (c) we change it
40. 40.📘 What do we call water with sugar dissolved in it? (a) a magnet (b) a crystal (c) a solution (d) a rainbow

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