Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 339 · 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 not needed for the dissolving test? (a) a clock or timer (b) cold water (c) warm water (d) a comb
2. 2.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) some stays undissolved (b) the water turns solid (c) the sugar turns to salt (d) all of it dissolves
3. 3.🥄 Does glucose powder dissolve in water? (a) does not dissolve (b) dissolves in water
4. 4.True or false: cold water is needed for the dissolving test. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) sand (b) baking soda (c) cooking oil (d) chalk powder
6. 6.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a magnet (c) a teaspoon (d) two clear glasses
7. 7.🧺 Do we need a clock or timer for the dissolving test? (a) not needed (b) needed
8. 8.🛟 How should you check if the sugar has dissolved? (a) taste it (b) look for leftover grains (c) smell it closely (d) poke it with a finger
9. 9.True or false: sugar in icy water dissolves slower. (a) False (b) True
10. 10.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
11. 11.🥄 Which of these does not dissolve in water? (a) chalk powder (b) sugar (c) glucose powder (d) food colour
12. 12.⚖️ 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
13. 13.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) slower (b) the same (c) faster (d) not at all
14. 14.🥄 Does cooking oil dissolve in water? (a) does not dissolve (b) dissolves in water
15. 15.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a solution (c) a rainbow (d) a magnet
16. 16.🥄 Which of these dissolves faster? (a) sugar in icy water (b) sugar stirred well (c) a big sugar cube (d) sugar left unstirred
17. 17.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) a teaspoon (c) cotton wool (d) two clear glasses
18. 18.⚖️ 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) False (b) True
19. 19.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) warm water (c) cold water (d) a mirror
20. 20.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we measure it (b) we keep it the same (c) we change it
21. 21.True or false: a teaspoon is not needed for the dissolving test. (a) True (b) False
22. 22.True or false: a clock or timer is not needed for the dissolving test. (a) True (b) False
23. 23.🧺 Which of these is needed for the dissolving test? (a) honey (b) a comb (c) a balloon (d) a clock or timer
24. 24.🧺 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
25. 25.🥄 Does sugar in icy water dissolve faster or slower? (a) slower (b) faster
26. 26.True or false: powdered sugar dissolves faster. (a) False (b) True
27. 27.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is what we measure. (a) False (b) True
28. 28.🛟 Who should pour the warm water in the dissolving test? (a) a friend who is running (b) the youngest child (c) a grown-up (d) nobody needs to
29. 29.⚖️ 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
30. 30.🧺 Do we need a mirror for the dissolving test? (a) needed (b) not needed
31. 31.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) the kind of sugar (b) time to dissolve (c) the water temperature
32. 32.🥄 Which of these dissolves in water? (a) table salt (b) sand (c) cooking oil (d) small pebbles
33. 33.🔍 Sand is stirred into water. What do you see after a while? (a) it dissolves (b) it floats up (c) it turns blue (d) it settles at the bottom
34. 34.⚖️ 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) False (b) True
35. 35.🔍 Which is the odd one out? (a) baking soda (b) table salt (c) sand (d) glucose powder
36. 36.⚖️ 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) True (b) False
37. 37.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in icy water (c) sugar in warm water (d) sugar stirred well
38. 38.True or false: cooking oil dissolves in water. (a) True (b) False
39. 39.⚖️ 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 amount of sugar (c) the water temperature (d) the kind of sugar
40. 40.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) a magnet (c) a clock or timer (d) sugar

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