Dissolving Experiment Worksheet: Warm and Cold Water

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

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