Salt Crystal Experiment Worksheet

Science experiments lesson 18: Growing salt crystals · Set 545 · 40 questions

What you do (Dry out, crystals in): 1. An adult pours warm water into a cup. 2. Stir in salt, a spoon at a time, until no more dissolves. 3. Pour the salty water into a shallow dish and lay a string in it. 4. Leave it on a sunny windowsill, out of reach of small children, and check each day.

1. 1.🧺 Three of these are needed for growing salt crystals. Which one is NOT needed? (a) warm water (b) salt (c) a shallow dish (d) turmeric powder
2. 2.🧺 Which of these is needed for growing salt crystals? (a) a magnet (b) a mirror (c) warm water (d) a battery cell
3. 3.True or false: turmeric powder is needed for growing salt crystals. (a) True (b) False
4. 4.🧂 Which of these dissolves in water? (a) sand (b) cooking oil (c) table salt (d) small pebbles
5. 5.🔮 Predict: you use sugar instead of salt. What happens as it dries? (a) it turns to oil (b) it turns to butter (c) salt crystals form (d) sugar crystals form
6. 6.🛟 Who should pour the warm water for the crystal experiment? (a) the youngest child (b) nobody needs to (c) a friend who is running (d) a grown-up
7. 7.⚖️ Fair test — do salt crystals form faster on a sunny windowsill or in a shady cupboard? What do we do with “the amount of water”? (a) we keep it the same (b) we measure it (c) we change it
8. 8.True or false: melting ice is a change that cannot be undone. (a) False (b) True
9. 9.⚖️ Fair test — do salt crystals form faster on a sunny windowsill or in a shady cupboard? True or false: sunny or shady place is the one thing we change. (a) True (b) False
10. 10.🧈 Can this change be undone: melting butter? (a) cannot be undone (b) can be undone
11. 11.True or false: baking a cake is a change that can be undone. (a) False (b) True
12. 12.⚖️ Fair test — do salt crystals form faster on a sunny windowsill or in a shady cupboard? Which of these is what we measure? (a) sunny or shady place (b) the same dish (c) days to see crystals (d) the kind of salt
13. 13.🧺 Three of these are needed for growing salt crystals. Which one is NOT needed? (a) a piece of string (b) warm water (c) salt (d) a balloon
14. 14.True or false: a balloon is needed for growing salt crystals. (a) True (b) False
15. 15.🧺 Do we need warm water for growing salt crystals? (a) not needed (b) needed
16. 16.True or false: milk turning to curd is a change that cannot be undone. (a) True (b) False
17. 17.True or false: melting butter is a change that can be undone. (a) True (b) False
18. 18.True or false: a battery cell is needed for growing salt crystals. (a) False (b) True
19. 19.⚖️ Fair test — do salt crystals form faster on a sunny windowsill or in a shady cupboard? True or false: the kind of salt is kept the same. (a) False (b) True
20. 20.🧺 Which of these is needed for growing salt crystals? (a) yeast (b) turmeric powder (c) a magnet (d) salt
21. 21.⚖️ Fair test — do salt crystals form faster on a sunny windowsill or in a shady cupboard? Which of these is kept the same? (a) the same dish (b) sunny or shady place (c) days to see crystals
22. 22.🧺 Do we need yeast for growing salt crystals? (a) not needed (b) needed
23. 23.⚖️ Fair test — do salt crystals form faster on a sunny windowsill or in a shady cupboard? Which of these is the one thing we change? (a) sunny or shady place (b) the amount of salt (c) the same dish (d) the amount of water
24. 24.🧺 Which of these is not needed for growing salt crystals? (a) a piece of string (b) a mirror (c) a spoon (d) salt
25. 25.🧺 Three of these are needed for growing salt crystals. Which one is NOT needed? (a) a piece of string (b) salt (c) a spoon (d) a magnet
26. 26.True or false: sugar dissolves in water. (a) False (b) True
27. 27.🧈 Which of these is a change that can be undone? (a) dissolving salt (b) milk turning to curd (c) cooking an egg (d) baking a cake
28. 28.🔍 Which is the odd one out? (a) small pebbles (b) sand (c) glucose powder (d) chalk powder
29. 29.🧈 Which of these is a change that cannot be undone? (a) cooking an egg (b) folding paper (c) freezing water (d) dissolving salt
30. 30.🧺 Do we need a shallow dish for growing salt crystals? (a) needed (b) not needed
31. 31.🧺 Three of these are needed for growing salt crystals. Which one is NOT needed? (a) a piece of string (b) warm water (c) yeast (d) salt
32. 32.True or false: melting ice is a change that can be undone. (a) False (b) True
33. 33.🧂 Which of these dissolves in water? (a) small pebbles (b) sawdust (c) sugar (d) sand
34. 34.🧂 Does small pebbles dissolve in water? (a) does not dissolve (b) dissolves in water
35. 35.⚖️ Fair test — do salt crystals form faster on a sunny windowsill or in a shady cupboard? Which of these is kept the same? (a) sunny or shady place (b) days to see crystals (c) the amount of salt
36. 36.🧺 Which of these is needed for growing salt crystals? (a) a magnet (b) a mirror (c) a shallow dish (d) yeast
37. 37.True or false: warm water is needed for growing salt crystals. (a) True (b) False
38. 38.🧂 What shape are table salt crystals under a magnifying glass? (a) tiny spheres (b) tiny triangles (c) tiny cubes (d) tiny stars
39. 39.🧺 Do we need a magnet for growing salt crystals? (a) not needed (b) needed
40. 40.🧺 Three of these are needed for growing salt crystals. Which one is NOT needed? (a) warm water (b) a spoon (c) a battery cell (d) salt

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids