Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 324 · 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 of these is not needed for the dissolving test? (a) cotton wool (b) two clear glasses (c) cold water (d) warm water
2. 2.🔮 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 water turns solid (d) the sugar turns to salt
3. 3.🥄 Which of these dissolves in water? (a) glucose powder (b) small pebbles (c) chalk powder (d) cooking oil
4. 4.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: time to dissolve is kept the same. (a) True (b) False
5. 5.🛟 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
6. 6.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) a clock or timer (c) cold water (d) a comb
7. 7.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
8. 8.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
9. 9.🧺 Do we need a mirror for the dissolving test? (a) not needed (b) needed
10. 10.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) powdered sugar (b) neither of them (c) both the same (d) the sugar cube
11. 11.True or false: a mirror is needed for the dissolving test. (a) False (b) True
12. 12.True or false: two clear glasses is not needed for the dissolving test. (a) True (b) False
13. 13.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) not at all (b) the same (c) slower (d) faster
14. 14.True or false: a comb is needed for the dissolving test. (a) True (b) False
15. 15.🥄 Does cooking oil dissolve in water? (a) dissolves in water (b) does not dissolve
16. 16.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the kind of sugar”? (a) we keep it the same (b) we change it (c) we measure it
17. 17.🥄 Which of these does not dissolve in water? (a) small pebbles (b) baking soda (c) glucose powder (d) sugar
18. 18.⚖️ 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 amount of sugar (c) the water temperature (d) the stirring
19. 19.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) a friend who is running (c) nobody needs to (d) a grown-up
20. 20.🧺 Which of these is needed for the dissolving test? (a) a comb (b) a balloon (c) a mirror (d) warm water
21. 21.True or false: sugar left unstirred dissolves faster. (a) False (b) True
22. 22.🧺 Do we need honey for the dissolving test? (a) not needed (b) needed
23. 23.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) a balloon (c) two clear glasses (d) sugar
24. 24.🥄 Which of these dissolves in water? (a) cooking oil (b) food colour (c) chalk powder (d) sand
25. 25.🥄 Which of these does not dissolve in water? (a) sugar (b) glucose powder (c) cooking oil (d) food colour
26. 26.⚖️ 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
27. 27.⚖️ 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
28. 28.🔍 Which is the odd one out? (a) table salt (b) glucose powder (c) sand (d) sugar
29. 29.True or false: food colour does not dissolve in water. (a) True (b) False
30. 30.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) cold water (c) a mirror (d) a clock or timer
31. 31.True or false: table salt dissolves in water. (a) False (b) True
32. 32.🥄 Which of these dissolves slower? (a) sugar left unstirred (b) sugar in warm water (c) sugar stirred well (d) powdered sugar
33. 33.True or false: a big sugar cube dissolves slower. (a) False (b) True
34. 34.True or false: small pebbles does not dissolve in water. (a) False (b) True
35. 35.⚖️ 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
36. 36.True or false: powdered sugar dissolves slower. (a) True (b) False
37. 37.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a clock or timer (b) a magnet (c) a teaspoon (d) sugar
38. 38.True or false: sugar is needed for the dissolving test. (a) True (b) False
39. 39.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) two clear glasses (c) cotton wool (d) a teaspoon
40. 40.True or false: a balloon is needed for the dissolving test. (a) True (b) False

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