Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 961 · 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.True or false: a clock or timer is not needed for the dissolving test. (a) True (b) False
2. 2.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) two clear glasses (c) a balloon (d) a teaspoon
3. 3.🧺 Do we need a teaspoon for the dissolving test? (a) not needed (b) needed
4. 4.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is kept the same. (a) False (b) True
5. 5.🥄 Which of these dissolves in water? (a) sand (b) chalk powder (c) sawdust (d) sugar
6. 6.🧺 Do we need two clear glasses for the dissolving test? (a) not needed (b) needed
7. 7.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) a teaspoon (c) a clock or timer (d) a balloon
8. 8.⚖️ 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 kind of sugar
9. 9.🧺 Do we need a magnet for the dissolving test? (a) not needed (b) needed
10. 10.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) all of it dissolves (b) the sugar turns to salt (c) some stays undissolved (d) the water turns solid
11. 11.True or false: warm water is needed for the dissolving test. (a) False (b) True
12. 12.True or false: powdered sugar dissolves slower. (a) False (b) True
13. 13.🛟 Who should pour the warm water in the dissolving test? (a) a grown-up (b) a friend who is running (c) nobody needs to (d) the youngest child
14. 14.🔍 Which is the odd one out? (a) small pebbles (b) sugar (c) table salt (d) glucose powder
15. 15.🛟 How should you check if the sugar has dissolved? (a) taste it (b) look for leftover grains (c) poke it with a finger (d) smell it closely
16. 16.🥄 Which of these dissolves faster? (a) sugar stirred well (b) a big sugar cube (c) sugar in icy water (d) sugar left unstirred
17. 17.True or false: food colour does not dissolve in water. (a) True (b) False
18. 18.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the water temperature”? (a) we keep it the same (b) we measure it (c) we change it
19. 19.🔍 Which is the odd one out? (a) chalk powder (b) food colour (c) sugar (d) baking soda
20. 20.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) a big sugar cube (c) sugar in icy water (d) powdered sugar
21. 21.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cotton wool (b) two clear glasses (c) a clock or timer (d) sugar
22. 22.🔮 Predict: does stirring make sugar dissolve faster or slower? (a) the same (b) slower (c) faster (d) not at all
23. 23.🔍 Sand is stirred into water. What do you see after a while? (a) it dissolves (b) it settles at the bottom (c) it floats up (d) it turns blue
24. 24.🥄 Which of these does not dissolve in water? (a) chalk powder (b) sugar (c) glucose powder (d) baking soda
25. 25.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we measure it (b) we keep it the same (c) we change it
26. 26.🔍 How can you get the salt back from salty water? (a) let the water evaporate (b) add more water (c) keep it in a fridge (d) stir it more
27. 27.True or false: sugar in warm water dissolves faster. (a) True (b) False
28. 28.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) a magnet (c) a teaspoon (d) two clear glasses
29. 29.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) the sugar cube (b) neither of them (c) powdered sugar (d) both the same
30. 30.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a magnet (c) a solution (d) a rainbow
31. 31.True or false: a balloon is needed for the dissolving test. (a) False (b) True
32. 32.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is kept the same. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) glucose powder (b) baking soda (c) table salt (d) cooking oil
34. 34.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the stirring”? (a) we change it (b) we keep it the same (c) we measure it
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) True (b) False
36. 36.True or false: a big sugar cube dissolves faster. (a) False (b) True
37. 37.🧺 Do we need a mirror for the dissolving test? (a) needed (b) not needed
38. 38.True or false: a mirror is not needed for the dissolving test. (a) False (b) True
39. 39.🥄 Which of these dissolves slower? (a) sugar stirred well (b) sugar in warm water (c) powdered sugar (d) sugar in icy water
40. 40.🥄 Does small pebbles dissolve in water? (a) does not dissolve (b) dissolves in water

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