Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 467 · 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 is the odd one out? (a) cooking oil (b) chalk powder (c) sand (d) glucose powder
2. 2.🔍 How can you get the salt back from salty water? (a) let the water evaporate (b) keep it in a fridge (c) add more water (d) stir it more
3. 3.⚖️ 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) False (b) True
4. 4.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) slower (c) faster (d) the same
5. 5.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the water temperature (b) the kind of sugar (c) the stirring (d) time to dissolve
6. 6.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) neither of them (c) powdered sugar (d) the sugar cube
7. 7.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the amount of sugar (b) the amount of water (c) the water temperature (d) time to dissolve
8. 8.🥄 Does a big sugar cube dissolve faster or slower? (a) slower (b) faster
9. 9.True or false: food colour does not dissolve in water. (a) False (b) True
10. 10.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it vanished for ever (b) it became air (c) it spread in the water (d) it sank as sand
11. 11.🧺 Which of these is needed for the dissolving test? (a) a teaspoon (b) honey (c) a balloon (d) a magnet
12. 12.🧺 Do we need sugar for the dissolving test? (a) not needed (b) needed
13. 13.🛟 Who should pour the warm water in the dissolving test? (a) a friend who is running (b) nobody needs to (c) the youngest child (d) a grown-up
14. 14.True or false: two clear glasses is needed for the dissolving test. (a) False (b) True
15. 15.True or false: warm water is not needed for the dissolving test. (a) False (b) True
16. 16.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) sugar (c) a clock or timer (d) a mirror
17. 17.🧺 Do we need a magnet for the dissolving test? (a) needed (b) not needed
18. 18.🥄 Which of these dissolves in water? (a) sand (b) sawdust (c) small pebbles (d) glucose powder
19. 19.📘 What do we call water with sugar dissolved in it? (a) a solution (b) a magnet (c) a crystal (d) a rainbow
20. 20.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) all of it dissolves (b) the sugar turns to salt (c) the water turns solid (d) some stays undissolved
21. 21.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we measure it (b) we change it (c) we keep it the same
22. 22.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a comb (c) honey (d) two clear glasses
23. 23.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a clock or timer (c) a magnet (d) cold water
24. 24.🥄 Which of these does not dissolve in water? (a) chalk powder (b) table salt (c) baking soda (d) food colour
25. 25.⚖️ 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
26. 26.🛟 How should you check if the sugar has dissolved? (a) look for leftover grains (b) taste it (c) poke it with a finger (d) smell it closely
27. 27.True or false: a balloon is needed for the dissolving test. (a) False (b) True
28. 28.🥄 Which of these dissolves slower? (a) sugar left unstirred (b) sugar stirred well (c) powdered sugar (d) sugar in warm water
29. 29.True or false: a balloon is not needed for the dissolving test. (a) False (b) True
30. 30.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we change it (b) we measure it (c) we keep it the same
31. 31.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) cotton wool (c) two clear glasses (d) a clock or timer
32. 32.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
33. 33.⚖️ 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 measure it (c) we change it
34. 34.True or false: a comb is not needed for the dissolving test. (a) True (b) False
35. 35.🧺 Which of these is not needed for the dissolving test? (a) honey (b) warm water (c) sugar (d) two clear glasses
36. 36.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) warm water (c) a mirror (d) two clear glasses
37. 37.True or false: sugar is not needed for the dissolving test. (a) False (b) True
38. 38.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) a teaspoon (c) a comb (d) a clock or timer
39. 39.🥄 Does glucose powder dissolve in water? (a) does not dissolve (b) dissolves in water
40. 40.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we keep it the same (b) we change it (c) we measure it

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