Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 734 · 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 in water? (a) chalk powder (b) small pebbles (c) sand (d) table salt
2. 2.True or false: baking soda does not dissolve in water. (a) True (b) False
3. 3.🔍 Sand is stirred into water. What do you see after a while? (a) it settles at the bottom (b) it floats up (c) it turns blue (d) it dissolves
4. 4.🧺 Which of these is needed for the dissolving test? (a) a comb (b) two clear glasses (c) cotton wool (d) a balloon
5. 5.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in warm water (c) a big sugar cube (d) sugar in icy water
6. 6.🥄 Which of these does not dissolve in water? (a) baking soda (b) chalk powder (c) table salt (d) glucose powder
7. 7.🔍 Which is the odd one out? (a) sand (b) sawdust (c) chalk powder (d) baking soda
8. 8.🥄 Does glucose powder dissolve in water? (a) does not dissolve (b) dissolves in water
9. 9.🧺 Do we need cotton wool for the dissolving test? (a) needed (b) not needed
10. 10.⚖️ 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) time to dissolve (c) the stirring (d) the water temperature
11. 11.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is what we measure. (a) False (b) True
12. 12.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
13. 13.True or false: sugar stirred well dissolves faster. (a) False (b) True
14. 14.True or false: sugar in warm water dissolves slower. (a) False (b) True
15. 15.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) warm water (c) sugar (d) a comb
16. 16.🥄 Does food colour dissolve in water? (a) does not dissolve (b) dissolves in water
17. 17.True or false: a big sugar cube dissolves slower. (a) False (b) True
18. 18.True or false: sugar in icy water dissolves faster. (a) True (b) False
19. 19.🔮 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) all of it dissolves (c) the water turns solid (d) some stays undissolved
20. 20.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) two clear glasses (c) a mirror (d) sugar
21. 21.⚖️ 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) True (b) False
22. 22.⚖️ 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
23. 23.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
24. 24.🥄 Which of these dissolves in water? (a) chalk powder (b) small pebbles (c) baking soda (d) cooking oil
25. 25.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
26. 26.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) the sugar cube (b) both the same (c) powdered sugar (d) neither of them
27. 27.🧺 Which of these is needed for the dissolving test? (a) a comb (b) honey (c) a mirror (d) a teaspoon
28. 28.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) faster (c) slower (d) not at all
29. 29.🧺 Which of these is not needed for the dissolving test? (a) a mirror (b) a clock or timer (c) warm water (d) sugar
30. 30.True or false: a balloon is not needed for the dissolving test. (a) True (b) False
31. 31.⚖️ 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 measure it (c) we keep it the same
32. 32.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) two clear glasses (c) warm water (d) cotton wool
33. 33.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) honey (c) cold water (d) two clear glasses
34. 34.🔍 Which is the odd one out? (a) sawdust (b) table salt (c) sugar (d) food colour
35. 35.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we measure it (b) we keep it the same (c) we change it
36. 36.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) honey (c) cold water (d) warm water
37. 37.True or false: powdered sugar dissolves slower. (a) True (b) False
38. 38.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
39. 39.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) a magnet (c) cotton wool (d) sugar
40. 40.🥄 Which of these dissolves faster? (a) sugar in icy water (b) sugar left unstirred (c) a big sugar cube (d) sugar stirred well

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