Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 148 · 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 is needed for the dissolving test? (a) a magnet (b) a balloon (c) honey (d) a teaspoon
2. 2.True or false: glucose powder dissolves in water. (a) False (b) True
3. 3.🛟 How should you check if the sugar has dissolved? (a) look for leftover grains (b) smell it closely (c) poke it with a finger (d) taste it
4. 4.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we measure it (b) we keep it the same (c) we change it
5. 5.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) a mirror (c) a teaspoon (d) a clock or timer
6. 6.🧺 Which of these is not needed for the dissolving test? (a) honey (b) two clear glasses (c) warm water (d) a teaspoon
7. 7.True or false: sugar stirred well dissolves faster. (a) False (b) True
8. 8.True or false: a big sugar cube dissolves slower. (a) False (b) True
9. 9.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is what we measure. (a) True (b) False
10. 10.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
11. 11.🥄 Which of these dissolves in water? (a) sawdust (b) small pebbles (c) cooking oil (d) glucose powder
12. 12.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) neither of them (c) the sugar cube (d) powdered sugar
13. 13.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) faster (b) slower (c) not at all (d) the same
14. 14.🧺 Which of these is not needed for the dissolving test? (a) cold water (b) two clear glasses (c) a magnet (d) a clock or timer
15. 15.True or false: a clock or timer is not needed for the dissolving test. (a) False (b) True
16. 16.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
17. 17.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a magnet (c) a solution (d) a rainbow
18. 18.⚖️ 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) True (b) False
19. 19.True or false: warm water is needed for the dissolving test. (a) False (b) True
20. 20.🥄 Which of these dissolves slower? (a) sugar in warm water (b) powdered sugar (c) sugar stirred well (d) a big sugar cube
21. 21.True or false: sugar in icy water dissolves faster. (a) True (b) False
22. 22.🔍 How can you get the salt back from salty water? (a) stir it more (b) let the water evaporate (c) keep it in a fridge (d) add more water
23. 23.🥄 Which of these does not dissolve in water? (a) table salt (b) cooking oil (c) baking soda (d) food colour
24. 24.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we change it (b) we measure it (c) we keep it the same
25. 25.True or false: small pebbles dissolves in water. (a) True (b) False
26. 26.🥄 Which of these dissolves in water? (a) cooking oil (b) sawdust (c) sand (d) sugar
27. 27.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) honey (c) two clear glasses (d) a magnet
28. 28.⚖️ 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 water
29. 29.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the stirring (b) time to dissolve (c) the water temperature
30. 30.True or false: table salt does not dissolve in water. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) sand (b) cooking oil (c) sawdust (d) baking soda
32. 32.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it vanished for ever (b) it sank as sand (c) it spread in the water (d) it became air
33. 33.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) time to dissolve (b) the amount of sugar (c) the water temperature
34. 34.🥄 Why does sugar dissolve faster in warm water? (a) cold water is wet (b) particles move faster (c) sugar likes the dark (d) warm water is thicker
35. 35.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) a clock or timer (c) a balloon (d) two clear glasses
36. 36.🥄 Which of these does not dissolve in water? (a) baking soda (b) glucose powder (c) sand (d) table salt
37. 37.True or false: two clear glasses is not needed for the dissolving test. (a) False (b) True
38. 38.🥄 Which of these dissolves in water? (a) cooking oil (b) baking soda (c) sawdust (d) sand
39. 39.🔍 Which is the odd one out? (a) glucose powder (b) sugar (c) baking soda (d) cooking oil
40. 40.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed

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