Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 142 · 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.🧺 Do we need cold water for the dissolving test? (a) needed (b) not needed
2. 2.⚖️ 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 change it (c) we keep it the same
3. 3.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
4. 4.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) cotton wool (c) a teaspoon (d) sugar
5. 5.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is what we measure. (a) False (b) True
6. 6.⚖️ 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) False (b) True
7. 7.🥄 Why does sugar dissolve faster in warm water? (a) warm water is thicker (b) sugar likes the dark (c) cold water is wet (d) particles move faster
8. 8.🔍 Which is the odd one out? (a) glucose powder (b) cooking oil (c) baking soda (d) sugar
9. 9.🥄 Which of these dissolves faster? (a) sugar in icy water (b) sugar stirred well (c) sugar left unstirred (d) a big sugar cube
10. 10.True or false: honey is needed for the dissolving test. (a) True (b) False
11. 11.True or false: cotton wool is not needed for the dissolving test. (a) False (b) True
12. 12.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) two clear glasses (c) a clock or timer (d) a magnet
13. 13.🥄 Which of these dissolves slower? (a) powdered sugar (b) a big sugar cube (c) sugar in warm water (d) sugar stirred well
14. 14.True or false: a teaspoon is not needed for the dissolving test. (a) True (b) False
15. 15.🥄 Which of these does not dissolve in water? (a) sand (b) food colour (c) glucose powder (d) table salt
16. 16.🔍 Which is the odd one out? (a) food colour (b) small pebbles (c) glucose powder (d) table salt
17. 17.🔍 Which is the odd one out? (a) sand (b) chalk powder (c) small pebbles (d) glucose powder
18. 18.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) all of it dissolves (b) the sugar turns to salt (c) some stays undissolved (d) the water turns solid
19. 19.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) a clock or timer (c) warm water (d) honey
20. 20.🔍 Sand is stirred into water. What do you see after a while? (a) it floats up (b) it settles at the bottom (c) it dissolves (d) it turns blue
21. 21.🔍 Which is the odd one out? (a) table salt (b) baking soda (c) chalk powder (d) sugar
22. 22.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is the one thing we change. (a) True (b) False
23. 23.🥄 Does a big sugar cube dissolve faster or slower? (a) slower (b) faster
24. 24.True or false: cold water is not needed for the dissolving test. (a) False (b) True
25. 25.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) the sugar cube (b) neither of them (c) powdered sugar (d) both the same
26. 26.🥄 Which of these dissolves in water? (a) chalk powder (b) sawdust (c) small pebbles (d) food colour
27. 27.True or false: powdered sugar dissolves faster. (a) False (b) True
28. 28.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) a balloon (c) sugar (d) a teaspoon
29. 29.True or false: sugar does not dissolve in water. (a) False (b) True
30. 30.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
31. 31.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) slower (c) faster (d) the same
32. 32.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is the one thing we change. (a) False (b) True
33. 33.⚖️ 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 keep it the same (c) we change it
34. 34.True or false: a teaspoon is needed for the dissolving test. (a) False (b) True
35. 35.True or false: a comb is needed for the dissolving test. (a) True (b) False
36. 36.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the amount of water (b) the stirring (c) the water temperature (d) the amount of sugar
37. 37.True or false: small pebbles does not dissolve in water. (a) True (b) False
38. 38.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in warm water (c) a big sugar cube (d) sugar in icy water
39. 39.True or false: a mirror is not needed for the dissolving test. (a) False (b) True
40. 40.True or false: baking soda does not dissolve in water. (a) True (b) False

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