Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 382 · 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 small pebbles dissolve in water? (a) does not dissolve (b) dissolves in water
2. 2.🥄 Does table salt dissolve in water? (a) dissolves in water (b) does not dissolve
3. 3.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) cotton wool (c) two clear glasses (d) a magnet
4. 4.🥄 Does sugar stirred well dissolve faster or slower? (a) faster (b) slower
5. 5.🥄 Does sugar left unstirred dissolve faster or slower? (a) faster (b) slower
6. 6.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
7. 7.True or false: sugar is not needed for the dissolving test. (a) True (b) False
8. 8.True or false: sugar in warm water dissolves slower. (a) False (b) True
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 measure it (c) we change it
10. 10.🔍 Which is the odd one out? (a) food colour (b) sugar (c) small pebbles (d) table salt
11. 11.True or false: cold water is not needed for the dissolving test. (a) False (b) True
12. 12.🧺 Which of these is needed for the dissolving test? (a) a comb (b) a mirror (c) a magnet (d) cold water
13. 13.🥄 Which of these dissolves slower? (a) sugar in warm water (b) sugar stirred well (c) sugar in icy water (d) powdered sugar
14. 14.🛟 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
15. 15.🔍 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
16. 16.⚖️ 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) True (b) False
17. 17.🔍 Which is the odd one out? (a) baking soda (b) sugar (c) table salt (d) chalk powder
18. 18.True or false: sugar left unstirred dissolves faster. (a) True (b) False
19. 19.True or false: honey is not needed for the dissolving test. (a) True (b) False
20. 20.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) the sugar cube (b) neither of them (c) both the same (d) powdered sugar
21. 21.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) slower (b) the same (c) not at all (d) faster
22. 22.🧺 Do we need honey for the dissolving test? (a) not needed (b) needed
23. 23.🥄 Which of these dissolves in water? (a) sugar (b) cooking oil (c) sawdust (d) chalk powder
24. 24.🥄 Why does sugar dissolve faster in warm water? (a) cold water is wet (b) warm water is thicker (c) particles move faster (d) sugar likes the dark
25. 25.🧺 Which of these is needed for the dissolving test? (a) sugar (b) a magnet (c) a balloon (d) honey
26. 26.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a clock or timer (c) a balloon (d) honey
27. 27.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) honey (c) a teaspoon (d) a comb
28. 28.🥄 Which of these dissolves slower? (a) sugar stirred well (b) powdered sugar (c) sugar in warm water (d) sugar left unstirred
29. 29.🔍 How can you get the salt back from salty water? (a) stir it more (b) let the water evaporate (c) add more water (d) keep it in a fridge
30. 30.🥄 Which of these dissolves faster? (a) a big sugar cube (b) powdered sugar (c) sugar left unstirred (d) sugar in icy water
31. 31.True or false: warm water is not needed for the dissolving test. (a) True (b) False
32. 32.⚖️ 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
33. 33.🧺 Do we need a mirror for the dissolving test? (a) needed (b) not needed
34. 34.True or false: a comb is needed for the dissolving test. (a) False (b) True
35. 35.🔮 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
36. 36.⚖️ 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) True (b) False
37. 37.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a mirror (b) two clear glasses (c) a teaspoon (d) a clock or timer
38. 38.⚖️ 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
39. 39.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a magnet (c) a solution (d) a rainbow
40. 40.⚖️ 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

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