Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 428 · 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.True or false: sugar stirred well dissolves slower. (a) False (b) True
2. 2.⚖️ 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
3. 3.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) warm water (c) two clear glasses (d) a comb
4. 4.🥄 Does a big sugar cube dissolve faster or slower? (a) slower (b) faster
5. 5.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) the water turns solid (b) the sugar turns to salt (c) all of it dissolves (d) some stays undissolved
6. 6.🔍 Which is the odd one out? (a) food colour (b) sawdust (c) sand (d) chalk powder
7. 7.True or false: two clear glasses is needed for the dissolving test. (a) False (b) True
8. 8.⚖️ 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
9. 9.⚖️ 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) time to dissolve (d) the water temperature
10. 10.True or false: baking soda does not dissolve in water. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) chalk powder (b) table salt (c) cooking oil (d) sand
12. 12.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) cold water (c) a magnet (d) a comb
13. 13.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
14. 14.True or false: sugar in warm water dissolves faster. (a) False (b) True
15. 15.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is kept the same. (a) True (b) False
16. 16.True or false: two clear glasses is not needed for the dissolving test. (a) True (b) False
17. 17.⚖️ 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) True (b) False
18. 18.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a solution (c) a rainbow (d) a magnet
19. 19.True or false: sugar in warm water dissolves slower. (a) False (b) True
20. 20.⚖️ 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 water (c) the amount of sugar (d) time to dissolve
21. 21.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) a grown-up (c) nobody needs to (d) a friend who is running
22. 22.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we change it (b) we measure it (c) we keep it the same
23. 23.🥄 Does small pebbles dissolve in water? (a) dissolves in water (b) does not dissolve
24. 24.True or false: cold water is needed for the dissolving test. (a) False (b) True
25. 25.True or false: sugar left unstirred dissolves faster. (a) True (b) False
26. 26.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) the sugar cube (b) powdered sugar (c) neither of them (d) both the same
27. 27.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) honey (c) cold water (d) warm water
28. 28.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) cotton wool (c) a clock or timer (d) a teaspoon
29. 29.🛟 How should you check if the sugar has dissolved? (a) poke it with a finger (b) taste it (c) look for leftover grains (d) smell it closely
30. 30.True or false: a big sugar cube dissolves slower. (a) False (b) True
31. 31.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) cold water (c) a mirror (d) two clear glasses
32. 32.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) honey (b) two clear glasses (c) a teaspoon (d) sugar
33. 33.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a magnet (c) a teaspoon (d) cold water
34. 34.⚖️ 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
35. 35.🥄 Does cooking oil dissolve in water? (a) does not dissolve (b) dissolves in water
36. 36.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) sugar (c) warm water (d) a magnet
37. 37.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) a clock or timer (c) two clear glasses (d) a mirror
38. 38.🥄 Which of these does not dissolve in water? (a) glucose powder (b) table salt (c) sand (d) food colour
39. 39.True or false: a clock or timer is not needed for the dissolving test. (a) True (b) False
40. 40.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is kept the same. (a) False (b) True

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