Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 654 · 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.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) taste it (c) look for leftover grains (d) poke it with a finger
2. 2.🥄 Does food colour dissolve in water? (a) dissolves in water (b) does not dissolve
3. 3.True or false: sugar in icy water dissolves slower. (a) True (b) False
4. 4.True or false: powdered sugar dissolves faster. (a) False (b) True
5. 5.🥄 Which of these dissolves slower? (a) powdered sugar (b) a big sugar cube (c) sugar in warm water (d) sugar stirred well
6. 6.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) a teaspoon (c) cold water (d) a balloon
7. 7.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) honey (c) a clock or timer (d) two clear glasses
8. 8.True or false: a clock or timer is not needed for the dissolving test. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) sawdust (b) sand (c) cooking oil (d) table salt
10. 10.⚖️ 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
11. 11.⚖️ 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
12. 12.True or false: sand dissolves in water. (a) False (b) True
13. 13.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
14. 14.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) honey (c) cotton wool (d) sugar
15. 15.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) two clear glasses (c) cotton wool (d) honey
16. 16.True or false: sugar in warm water dissolves slower. (a) True (b) False
17. 17.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) both the same (b) the sugar cube (c) powdered sugar (d) neither of them
18. 18.🛟 Who should pour the warm water in the dissolving test? (a) nobody needs to (b) the youngest child (c) a grown-up (d) a friend who is running
19. 19.True or false: a magnet is needed for the dissolving test. (a) True (b) False
20. 20.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is kept the same. (a) True (b) False
21. 21.📘 What do we call water with sugar dissolved in it? (a) a magnet (b) a solution (c) a crystal (d) a rainbow
22. 22.🔍 Which is the odd one out? (a) food colour (b) baking soda (c) sawdust (d) table salt
23. 23.⚖️ 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) False (b) True
24. 24.🥄 Which of these dissolves in water? (a) chalk powder (b) food colour (c) sand (d) cooking oil
25. 25.🔍 Which is the odd one out? (a) sugar (b) sand (c) chalk powder (d) cooking oil
26. 26.True or false: cooking oil dissolves in water. (a) True (b) False
27. 27.🔍 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
28. 28.🧺 Do we need a mirror for the dissolving test? (a) needed (b) not needed
29. 29.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of sugar”? (a) we keep it the same (b) we measure it (c) we change it
30. 30.🥄 Does sugar dissolve in water? (a) does not dissolve (b) dissolves in water
31. 31.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
32. 32.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the amount of sugar (b) time to dissolve (c) the kind of sugar (d) the water temperature
33. 33.🥄 Does sugar in warm water dissolve faster or slower? (a) slower (b) faster
34. 34.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) a clock or timer (c) cotton wool (d) a balloon
35. 35.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) time to dissolve (b) the water temperature (c) the amount of sugar (d) the amount of water
36. 36.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in icy water (c) a big sugar cube (d) sugar stirred well
37. 37.🥄 Which of these does not dissolve in water? (a) glucose powder (b) sugar (c) table salt (d) small pebbles
38. 38.🧺 Do we need sugar for the dissolving test? (a) needed (b) not needed
39. 39.🥄 Which of these dissolves in water? (a) cooking oil (b) chalk powder (c) glucose powder (d) sand
40. 40.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) warm water (c) cold water (d) a comb

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