Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 255 · 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: sand dissolves in water. (a) True (b) False
2. 2.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a teaspoon (b) sugar (c) cold water (d) a balloon
3. 3.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) the sugar turns to salt (b) all of it dissolves (c) some stays undissolved (d) the water turns solid
4. 4.🧺 Do we need a clock or timer for the dissolving test? (a) needed (b) not needed
5. 5.True or false: sugar dissolves in water. (a) True (b) False
6. 6.🛟 Who should pour the warm water in the dissolving test? (a) the youngest child (b) nobody needs to (c) a friend who is running (d) a grown-up
7. 7.🛟 How should you check if the sugar has dissolved? (a) poke it with a finger (b) smell it closely (c) look for leftover grains (d) taste it
8. 8.True or false: chalk powder dissolves in water. (a) True (b) False
9. 9.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the kind of sugar is kept the same. (a) False (b) True
10. 10.🔮 Predict: which dissolves faster — a sugar cube or the same amount of powdered sugar? (a) neither of them (b) the sugar cube (c) both the same (d) powdered sugar
11. 11.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) warm water (b) a clock or timer (c) a magnet (d) cold water
12. 12.🥄 Does chalk powder dissolve in water? (a) does not dissolve (b) dissolves in water
13. 13.🥄 Does a big sugar cube dissolve faster or slower? (a) faster (b) slower
14. 14.🧺 Do we need warm water for the dissolving test? (a) needed (b) not needed
15. 15.🔍 Which is the odd one out? (a) table salt (b) sugar (c) small pebbles (d) baking soda
16. 16.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) a magnet (c) sugar (d) a teaspoon
17. 17.⚖️ 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
18. 18.📘 What do we call water with sugar dissolved in it? (a) a rainbow (b) a crystal (c) a solution (d) a magnet
19. 19.🧺 Which of these is needed for the dissolving test? (a) a balloon (b) warm water (c) honey (d) cotton wool
20. 20.🧺 Which of these is not needed for the dissolving test? (a) a teaspoon (b) sugar (c) a mirror (d) a clock or timer
21. 21.True or false: sugar is not needed for the dissolving test. (a) True (b) False
22. 22.🥄 Why does sugar dissolve faster in warm water? (a) warm water is thicker (b) sugar likes the dark (c) cold water is wet (d) particles move faster
23. 23.🥄 Which of these dissolves in water? (a) sand (b) cooking oil (c) table salt (d) small pebbles
24. 24.🧺 Do we need a teaspoon for the dissolving test? (a) not needed (b) needed
25. 25.🥄 Does cooking oil dissolve in water? (a) does not dissolve (b) dissolves in water
26. 26.True or false: honey is not needed for the dissolving test. (a) False (b) True
27. 27.🥄 Does sugar left unstirred dissolve faster or slower? (a) faster (b) slower
28. 28.⚖️ 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
29. 29.🔍 Which is the odd one out? (a) sand (b) small pebbles (c) sugar (d) sawdust
30. 30.🥄 Which of these dissolves faster? (a) sugar stirred well (b) sugar in icy water (c) a big sugar cube (d) sugar left unstirred
31. 31.🥄 Which of these does not dissolve in water? (a) sugar (b) glucose powder (c) chalk powder (d) table salt
32. 32.True or false: a big sugar cube dissolves faster. (a) True (b) False
33. 33.⚖️ 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 amount of water (c) the amount of sugar (d) the stirring
34. 34.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “time to dissolve”? (a) we keep it the same (b) we change it (c) we measure it
35. 35.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? What do we do with “the amount of water”? (a) we change it (b) we measure it (c) we keep it the same
36. 36.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
37. 37.True or false: small pebbles dissolves in water. (a) True (b) False
38. 38.🧺 Which of these is not needed for the dissolving test? (a) a clock or timer (b) sugar (c) warm water (d) honey
39. 39.⚖️ 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) the kind of sugar (c) time to dissolve
40. 40.🥄 Which of these dissolves in water? (a) sugar (b) cooking oil (c) sawdust (d) small pebbles

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