Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 835 · 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.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we measure it (b) we change it (c) we keep it the same
2. 2.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) warm water (c) a clock or timer (d) a comb
3. 3.🧺 Do we need a clock or timer for the dissolving test? (a) not needed (b) needed
4. 4.True or false: baking soda dissolves in water. (a) False (b) True
5. 5.⚖️ 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 change it (c) we keep it the same
6. 6.True or false: a clock or timer is not needed for the dissolving test. (a) False (b) True
7. 7.True or false: sawdust dissolves in water. (a) False (b) True
8. 8.🥄 Does sawdust dissolve in water? (a) does not dissolve (b) dissolves in water
9. 9.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we keep it the same (b) we measure it (c) we change it
10. 10.🥄 Which of these dissolves faster? (a) sugar in warm water (b) sugar in icy water (c) a big sugar cube (d) sugar left unstirred
11. 11.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the kind of sugar (b) time to dissolve (c) the stirring (d) the amount of sugar
12. 12.⚖️ 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) the amount of water (c) time to dissolve
13. 13.True or false: a big sugar cube dissolves slower. (a) True (b) False
14. 14.🔍 Sand is stirred into water. What do you see after a while? (a) it dissolves (b) it turns blue (c) it floats up (d) it settles at the bottom
15. 15.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
16. 16.🧺 Do we need cotton wool for the dissolving test? (a) not needed (b) needed
17. 17.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) the sugar turns to salt (b) the water turns solid (c) some stays undissolved (d) all of it dissolves
18. 18.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
19. 19.📘 What do we call water with sugar dissolved in it? (a) a solution (b) a magnet (c) a rainbow (d) a crystal
20. 20.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we keep it the same (b) we measure it (c) we change it
21. 21.🧺 Do we need a magnet for the dissolving test? (a) needed (b) not needed
22. 22.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) cold water (c) a clock or timer (d) a balloon
23. 23.🥄 Which of these does not dissolve in water? (a) sawdust (b) sugar (c) baking soda (d) table salt
24. 24.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cotton wool (b) sugar (c) a clock or timer (d) two clear glasses
25. 25.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) time to dissolve (b) the water temperature (c) the amount of sugar (d) the amount of water
26. 26.🔍 Sugar is stirred into water and seems to disappear. Where did it go? (a) it sank as sand (b) it spread in the water (c) it became air (d) it vanished for ever
27. 27.⚖️ 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
28. 28.⚖️ 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 stirring
29. 29.🧺 Which of these is needed for the dissolving test? (a) warm water (b) a magnet (c) a mirror (d) a comb
30. 30.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) the sugar cube (b) both the same (c) neither of them (d) powdered sugar
31. 31.🛟 How should you check if the sugar has dissolved? (a) taste it (b) smell it closely (c) poke it with a finger (d) look for leftover grains
32. 32.True or false: sugar is needed for the dissolving test. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) baking soda (b) sugar (c) sawdust (d) food colour
34. 34.True or false: honey is needed for the dissolving test. (a) True (b) False
35. 35.⚖️ 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) False (b) True
36. 36.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a teaspoon (c) sugar (d) a magnet
37. 37.🥄 Which of these dissolves faster? (a) a big sugar cube (b) powdered sugar (c) sugar left unstirred (d) sugar in icy water
38. 38.🔍 Which is the odd one out? (a) small pebbles (b) food colour (c) cooking oil (d) chalk powder
39. 39.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
40. 40.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) a balloon (c) cold water (d) two clear glasses

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids