Dissolving Experiment Worksheet: Warm and Cold Water

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

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