Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 21 · 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.🧺 Do we need cold water for the dissolving test? (a) not needed (b) needed
2. 2.🥄 Why does sugar dissolve faster in warm water? (a) cold water is wet (b) sugar likes the dark (c) warm water is thicker (d) particles move faster
3. 3.🧺 Which of these is not needed for the dissolving test? (a) sugar (b) cold water (c) a mirror (d) a teaspoon
4. 4.🥄 Does sugar stirred well dissolve faster or slower? (a) slower (b) faster
5. 5.True or false: table salt does not dissolve in water. (a) True (b) False
6. 6.True or false: a magnet is not needed for the dissolving test. (a) True (b) False
7. 7.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) cold water (c) a balloon (d) two clear glasses
8. 8.🥄 Which of these dissolves slower? (a) powdered sugar (b) sugar in icy water (c) sugar stirred well (d) sugar in warm water
9. 9.🥄 Which of these dissolves in water? (a) chalk powder (b) cooking oil (c) table salt (d) sawdust
10. 10.🥄 Which of these does not dissolve in water? (a) sugar (b) cooking oil (c) table salt (d) glucose powder
11. 11.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a rainbow (c) a solution (d) a magnet
12. 12.🥄 Which of these dissolves in water? (a) chalk powder (b) sawdust (c) cooking oil (d) food colour
13. 13.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is kept the same? (a) time to dissolve (b) the amount of sugar (c) the water temperature
14. 14.🥄 Does glucose powder dissolve in water? (a) does not dissolve (b) dissolves in water
15. 15.🥄 Which of these dissolves faster? (a) sugar in icy water (b) a big sugar cube (c) sugar left unstirred (d) sugar stirred well
16. 16.🔍 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
17. 17.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) cotton wool (c) cold water (d) a teaspoon
18. 18.🧺 Which of these is needed for the dissolving test? (a) a teaspoon (b) a comb (c) a magnet (d) a balloon
19. 19.⚖️ 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
20. 20.True or false: sawdust dissolves in water. (a) False (b) True
21. 21.🧺 Which of these is not needed for the dissolving test? (a) warm water (b) a magnet (c) a clock or timer (d) cold water
22. 22.🥄 Which of these dissolves faster? (a) sugar left unstirred (b) sugar in icy water (c) sugar in warm water (d) a big sugar cube
23. 23.🥄 Which of these dissolves faster? (a) a big sugar cube (b) powdered sugar (c) sugar in icy water (d) sugar left unstirred
24. 24.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) sugar (b) a magnet (c) two clear glasses (d) warm water
25. 25.True or false: small pebbles dissolves in water. (a) False (b) True
26. 26.🥄 Does sand dissolve in water? (a) does not dissolve (b) dissolves in water
27. 27.🔮 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) some stays undissolved (c) the water turns solid (d) all of it dissolves
28. 28.⚖️ 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 amount of water (c) the stirring (d) the water temperature
29. 29.🥄 Does baking soda dissolve in water? (a) dissolves in water (b) does not dissolve
30. 30.🧺 Do we need two clear glasses for the dissolving test? (a) needed (b) not needed
31. 31.True or false: sugar in warm water dissolves slower. (a) False (b) True
32. 32.True or false: sugar is not needed for the dissolving test. (a) True (b) False
33. 33.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) sugar (c) warm water (d) honey
34. 34.True or false: cooking oil dissolves in water. (a) True (b) False
35. 35.🥄 Which of these dissolves slower? (a) sugar in warm water (b) a big sugar cube (c) powdered sugar (d) sugar stirred well
36. 36.⚖️ 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 change it (c) we measure it
37. 37.True or false: baking soda does not dissolve in water. (a) False (b) True
38. 38.True or false: powdered sugar dissolves slower. (a) False (b) True
39. 39.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) warm water (c) a mirror (d) a clock or timer
40. 40.🛟 Who should pour the warm water in the dissolving test? (a) nobody needs to (b) the youngest child (c) a friend who is running (d) a grown-up

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