Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 27 · 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 dissolves slower? (a) powdered sugar (b) a big sugar cube (c) sugar stirred well (d) sugar in warm water
2. 2.🧺 Which of these is needed for the dissolving test? (a) a magnet (b) a balloon (c) a teaspoon (d) cotton wool
3. 3.🥄 Does sand dissolve in water? (a) dissolves in water (b) does not dissolve
4. 4.True or false: sawdust dissolves in water. (a) False (b) True
5. 5.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the amount of water is the one thing we change. (a) False (b) True
6. 6.⚖️ 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
7. 7.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is the one thing we change? (a) the kind of sugar (b) the stirring (c) time to dissolve (d) the water temperature
8. 8.True or false: table salt does not dissolve in water. (a) False (b) True
9. 9.True or false: a comb is needed for the dissolving test. (a) True (b) False
10. 10.🥄 Does small pebbles dissolve in water? (a) dissolves in water (b) does not dissolve
11. 11.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a balloon (b) sugar (c) warm water (d) cold water
12. 12.🥄 Which of these dissolves faster? (a) sugar in warm water (b) a big sugar cube (c) sugar left unstirred (d) sugar in icy water
13. 13.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) a teaspoon (c) cotton wool (d) warm water
14. 14.🔍 Which is the odd one out? (a) glucose powder (b) food colour (c) sawdust (d) sugar
15. 15.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) some stays undissolved (b) the sugar turns to salt (c) the water turns solid (d) all of it dissolves
16. 16.True or false: a comb is not needed for the dissolving test. (a) True (b) False
17. 17.⚖️ 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
18. 18.True or false: a teaspoon is needed for the dissolving test. (a) False (b) True
19. 19.True or false: chalk powder does not dissolve in water. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) small pebbles (b) sawdust (c) table salt (d) sand
21. 21.⚖️ 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
22. 22.🔍 Which is the odd one out? (a) food colour (b) baking soda (c) glucose powder (d) cooking oil
23. 23.True or false: sugar in warm water dissolves slower. (a) True (b) False
24. 24.🛟 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
25. 25.🥄 Which of these dissolves faster? (a) sugar in icy water (b) sugar left unstirred (c) a big sugar cube (d) sugar stirred well
26. 26.🥄 Which of these does not dissolve in water? (a) sugar (b) small pebbles (c) food colour (d) baking soda
27. 27.🧺 Do we need warm water for the dissolving test? (a) not needed (b) needed
28. 28.📘 What do we call water with sugar dissolved in it? (a) a rainbow (b) a solution (c) a crystal (d) a magnet
29. 29.🥄 Why does sugar dissolve faster in warm water? (a) warm water is thicker (b) sugar likes the dark (c) particles move faster (d) cold water is wet
30. 30.⚖️ 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 measure it (c) we change it
31. 31.🥄 Which of these dissolves slower? (a) sugar stirred well (b) sugar in icy water (c) powdered sugar (d) sugar in warm water
32. 32.⚖️ 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 change it (c) we measure it
33. 33.🥄 Which of these dissolves in water? (a) chalk powder (b) sand (c) cooking oil (d) sugar
34. 34.🥄 Does baking soda dissolve in water? (a) dissolves in water (b) does not dissolve
35. 35.🧺 Do we need a clock or timer for the dissolving test? (a) needed (b) not needed
36. 36.🧺 Which of these is needed for the dissolving test? (a) cotton wool (b) a mirror (c) cold water (d) a comb
37. 37.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
38. 38.🛟 How should you check if the sugar has dissolved? (a) smell it closely (b) poke it with a finger (c) look for leftover grains (d) taste it
39. 39.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cotton wool (b) warm water (c) a teaspoon (d) two clear glasses
40. 40.🥄 Which of these dissolves in water? (a) chalk powder (b) cooking oil (c) small pebbles (d) glucose powder

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