Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 106 · 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 faster? (a) sugar in icy water (b) sugar stirred well (c) a big sugar cube (d) sugar left unstirred
2. 2.🥄 Does table salt dissolve in water? (a) does not dissolve (b) dissolves in water
3. 3.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) a teaspoon (c) a magnet (d) honey
4. 4.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) faster (c) slower (d) not at all
5. 5.True or false: table salt does not dissolve in water. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) cooking oil (b) small pebbles (c) sawdust (d) sugar
7. 7.True or false: sugar is needed for the dissolving test. (a) False (b) True
8. 8.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) a clock or timer (c) cold water (d) a mirror
9. 9.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the water temperature (b) time to dissolve (c) the stirring (d) the amount of water
10. 10.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) all of it dissolves (b) some stays undissolved (c) the water turns solid (d) the sugar turns to salt
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) the amount of sugar (b) the water temperature (c) the stirring (d) time to dissolve
12. 12.🔍 How can you get the salt back from salty water? (a) add more water (b) keep it in a fridge (c) let the water evaporate (d) stir it more
13. 13.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
14. 14.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a comb (b) a clock or timer (c) two clear glasses (d) a teaspoon
15. 15.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is kept the same. (a) False (b) True
16. 16.🥄 Which of these dissolves slower? (a) sugar in warm water (b) sugar stirred well (c) powdered sugar (d) a big sugar cube
17. 17.⚖️ 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
18. 18.True or false: sugar stirred well dissolves slower. (a) True (b) False
19. 19.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
20. 20.True or false: a big sugar cube dissolves faster. (a) True (b) False
21. 21.🥄 Does sugar left unstirred dissolve faster or slower? (a) faster (b) slower
22. 22.🥄 Which of these dissolves in water? (a) chalk powder (b) sand (c) food colour (d) sawdust
23. 23.🥄 Which of these dissolves faster? (a) a big sugar cube (b) sugar left unstirred (c) sugar in icy water (d) sugar in warm water
24. 24.🥄 Which of these dissolves in water? (a) sand (b) cooking oil (c) chalk powder (d) table salt
25. 25.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we keep it the same (b) we measure it (c) we change it
26. 26.🥄 Does cooking oil dissolve in water? (a) does not dissolve (b) dissolves in water
27. 27.🔍 Which is the odd one out? (a) table salt (b) baking soda (c) food colour (d) sand
28. 28.True or false: chalk powder dissolves in water. (a) False (b) True
29. 29.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
30. 30.⚖️ 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) False (b) True
31. 31.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a clock or timer (c) cold water (d) honey
32. 32.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) sugar (c) cold water (d) a magnet
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) time to dissolve (c) the stirring
34. 34.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the amount of water (b) the water temperature (c) time to dissolve
35. 35.True or false: a teaspoon is not needed for the dissolving test. (a) True (b) False
36. 36.True or false: a comb is needed for the dissolving test. (a) False (b) True
37. 37.True or false: sugar left unstirred dissolves faster. (a) False (b) True
38. 38.🧺 Do we need a comb for the dissolving test? (a) not needed (b) needed
39. 39.🥄 Does chalk powder dissolve in water? (a) dissolves in water (b) does not dissolve
40. 40.🥄 Why does sugar dissolve faster in warm water? (a) particles move faster (b) warm water is thicker (c) cold water is wet (d) sugar likes the dark

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