Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 942 · 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: cotton wool is not needed for the dissolving test. (a) False (b) True
2. 2.🛟 How should you check if the sugar has dissolved? (a) look for leftover grains (b) poke it with a finger (c) taste it (d) smell it closely
3. 3.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is what we measure. (a) True (b) False
4. 4.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of sugar is the one thing we change. (a) True (b) False
5. 5.🔍 Which is the odd one out? (a) baking soda (b) sawdust (c) sugar (d) table salt
6. 6.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
7. 7.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the stirring (b) the kind of sugar (c) the amount of water (d) the water temperature
8. 8.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) a mirror (c) two clear glasses (d) a teaspoon
9. 9.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we keep it the same (b) we change it (c) we measure it
10. 10.True or false: a big sugar cube dissolves faster. (a) True (b) False
11. 11.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) a teaspoon (c) a mirror (d) warm water
12. 12.True or false: a comb is not needed for the dissolving test. (a) True (b) False
13. 13.⚖️ 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 keep it the same (c) we measure it
14. 14.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) cotton wool (c) a clock or timer (d) sugar
15. 15.🛟 Who should pour the warm water in the dissolving test? (a) a grown-up (b) nobody needs to (c) the youngest child (d) a friend who is running
16. 16.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
17. 17.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is kept the same. (a) False (b) True
18. 18.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) sugar (c) a balloon (d) warm water
19. 19.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we change it (b) we keep it the same (c) we measure it
20. 20.🥄 Which of these dissolves slower? (a) sugar stirred well (b) powdered sugar (c) sugar in warm water (d) sugar in icy water
21. 21.🧺 Which of these is needed for the dissolving test? (a) a mirror (b) two clear glasses (c) a balloon (d) a comb
22. 22.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we measure it (b) we keep it the same (c) we change it
23. 23.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
24. 24.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we change it (b) we measure it (c) we keep it the same
25. 25.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is the one thing we change. (a) False (b) True
26. 26.🔍 How can you get the salt back from salty water? (a) let the water evaporate (b) keep it in a fridge (c) stir it more (d) add more water
27. 27.🥄 Does sugar in icy water dissolve faster or slower? (a) faster (b) slower
28. 28.True or false: honey is not needed for the dissolving test. (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) chalk powder (b) baking soda (c) small pebbles (d) sand
30. 30.📘 What do we call water with sugar dissolved in it? (a) a solution (b) a crystal (c) a magnet (d) a rainbow
31. 31.🥄 Does sugar dissolve in water? (a) dissolves in water (b) does not dissolve
32. 32.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
33. 33.True or false: glucose powder does not dissolve in water. (a) False (b) True
34. 34.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cotton wool (b) warm water (c) sugar (d) a clock or timer
35. 35.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is kept the same. (a) True (b) False
36. 36.True or false: small pebbles dissolves in water. (a) True (b) False
37. 37.🧺 Do we need a comb for the dissolving test? (a) needed (b) not needed
38. 38.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) not at all (c) faster (d) slower
39. 39.🥄 Which of these dissolves in water? (a) chalk powder (b) sawdust (c) cooking oil (d) food colour
40. 40.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve

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