Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 628 · 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.🥄 Does sawdust dissolve in water? (a) does not dissolve (b) dissolves in water
2. 2.🥄 Does powdered sugar dissolve faster or slower? (a) faster (b) slower
3. 3.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) warm water (c) a clock or timer (d) a magnet
4. 4.🥄 Which of these dissolves in water? (a) chalk powder (b) sand (c) sawdust (d) table salt
5. 5.🥄 Does small pebbles dissolve in water? (a) dissolves in water (b) does not dissolve
6. 6.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
7. 7.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) look for leftover grains (c) poke it with a finger (d) taste it
8. 8.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is the one thing we change. (a) False (b) True
9. 9.🥄 Which of these does not dissolve in water? (a) sugar (b) table salt (c) food colour (d) cooking oil
10. 10.🔮 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
11. 11.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a balloon (b) sugar (c) a teaspoon (d) a clock or timer
12. 12.🔍 Sand is stirred into water. What do you see after a while? (a) it settles at the bottom (b) it floats up (c) it dissolves (d) it turns blue
13. 13.True or false: sugar is not needed for the dissolving test. (a) False (b) True
14. 14.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) cold water (c) a clock or timer (d) honey
15. 15.⚖️ 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 keep it the same (c) we measure it
16. 16.🔍 Which is the odd one out? (a) table salt (b) sand (c) cooking oil (d) sawdust
17. 17.⚖️ 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 amount of water (c) the water temperature (d) time to dissolve
18. 18.🥄 Which of these dissolves faster? (a) sugar in icy water (b) a big sugar cube (c) sugar left unstirred (d) sugar in warm water
19. 19.⚖️ 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) the amount of sugar (c) time to dissolve (d) the kind of sugar
20. 20.🥄 Why does sugar dissolve faster in warm water? (a) warm water is thicker (b) cold water is wet (c) particles move faster (d) sugar likes the dark
21. 21.True or false: cold water is not needed for the dissolving test. (a) True (b) False
22. 22.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) sugar (c) a teaspoon (d) honey
23. 23.🔍 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
24. 24.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is what we measure. (a) True (b) False
25. 25.True or false: small pebbles dissolves in water. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) chalk powder (b) sugar (c) cooking oil (d) sand
27. 27.True or false: a magnet is not needed for the dissolving test. (a) True (b) False
28. 28.True or false: two clear glasses is not needed for the dissolving test. (a) False (b) True
29. 29.🥄 Which of these dissolves slower? (a) sugar stirred well (b) powdered sugar (c) sugar in warm water (d) sugar in icy water
30. 30.True or false: sugar is needed for the dissolving test. (a) True (b) False
31. 31.⚖️ 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
32. 32.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) a friend who is running (c) nobody needs to (d) a grown-up
33. 33.True or false: powdered sugar dissolves slower. (a) True (b) False
34. 34.True or false: a balloon is not needed for the dissolving test. (a) False (b) True
35. 35.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) cold water (c) a mirror (d) warm water
36. 36.🥄 Which of these dissolves in water? (a) small pebbles (b) sand (c) baking soda (d) sawdust
37. 37.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is the one thing we change. (a) True (b) False
38. 38.🥄 Does sugar dissolve in water? (a) does not dissolve (b) dissolves in water
39. 39.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
40. 40.True or false: chalk powder dissolves in water. (a) False (b) True

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