Dissolving Experiment Worksheet: Warm and Cold Water

Science experiments lesson 3: Dissolving sugar: warm vs cold water · Set 594 · 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: sawdust dissolves in water. (a) False (b) True
2. 2.🛟 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
3. 3.🥄 Does sand dissolve in water? (a) does not dissolve (b) dissolves in water
4. 4.🥄 Which of these dissolves in water? (a) food colour (b) chalk powder (c) small pebbles (d) sawdust
5. 5.True or false: sugar is needed for the dissolving test. (a) False (b) True
6. 6.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the stirring is the one thing we change. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) sand (b) chalk powder (c) food colour (d) sawdust
8. 8.True or false: sugar in warm water dissolves slower. (a) True (b) False
9. 9.True or false: cold water is not needed for the dissolving test. (a) True (b) False
10. 10.🥄 Does baking soda dissolve in water? (a) does not dissolve (b) dissolves in water
11. 11.🧺 Do we need honey for the dissolving test? (a) needed (b) not needed
12. 12.🧺 Which of these is not needed for the dissolving test? (a) two clear glasses (b) warm water (c) a teaspoon (d) a mirror
13. 13.🧺 Which of these is needed for the dissolving test? (a) honey (b) cold water (c) cotton wool (d) a magnet
14. 14.🔮 Predict: you keep adding sugar to a small glass of water and stirring. What happens in the end? (a) the water turns solid (b) all of it dissolves (c) the sugar turns to salt (d) some stays undissolved
15. 15.🧺 Do we need a mirror for the dissolving test? (a) not needed (b) needed
16. 16.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) a balloon (b) sugar (c) a clock or timer (d) two clear glasses
17. 17.⚖️ 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
18. 18.📘 What do we call water with sugar dissolved in it? (a) a crystal (b) a solution (c) a rainbow (d) a magnet
19. 19.⚖️ 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 change it (c) we measure it
20. 20.⚖️ 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) time to dissolve (c) the stirring (d) the water temperature
21. 21.🧺 Which of these is not needed for the dissolving test? (a) a comb (b) two clear glasses (c) a teaspoon (d) sugar
22. 22.True or false: sugar left unstirred dissolves faster. (a) False (b) True
23. 23.🥄 Which of these dissolves in water? (a) sand (b) sawdust (c) chalk powder (d) table salt
24. 24.True or false: sugar in warm water dissolves faster. (a) True (b) False
25. 25.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) two clear glasses (b) sugar (c) a clock or timer (d) a mirror
26. 26.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? Which of these is what we measure? (a) the water temperature (b) the amount of water (c) time to dissolve (d) the amount of sugar
27. 27.🥄 Does glucose powder dissolve in water? (a) does not dissolve (b) dissolves in water
28. 28.🥄 Does powdered sugar dissolve faster or slower? (a) slower (b) faster
29. 29.🥄 Does sawdust dissolve in water? (a) dissolves in water (b) does not dissolve
30. 30.🥄 Which of these dissolves in water? (a) glucose powder (b) sand (c) chalk powder (d) sawdust
31. 31.True or false: sugar is not needed for the dissolving test. (a) True (b) False
32. 32.🧺 Which of these is needed for the dissolving test? (a) honey (b) a balloon (c) a magnet (d) two clear glasses
33. 33.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) sugar (c) a clock or timer (d) cotton wool
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 measure it (b) we keep it the same (c) we change it
35. 35.🛟 How should you check if the sugar has dissolved? (a) look for leftover grains (b) poke it with a finger (c) taste it (d) smell it closely
36. 36.True or false: food colour does not dissolve in water. (a) False (b) True
37. 37.🥄 Why does sugar dissolve faster in warm water? (a) particles move faster (b) warm water is thicker (c) sugar likes the dark (d) cold water is wet
38. 38.⚖️ Fair test — does sugar dissolve faster in warm water or in cold water? True or false: the water temperature is kept the same. (a) True (b) False
39. 39.🧺 Three of these are needed for the dissolving test. Which one is NOT needed? (a) cold water (b) two clear glasses (c) warm water (d) a magnet
40. 40.True or false: sugar stirred well dissolves slower. (a) False (b) True

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