← Growing salt crystals lesson New set →

Salt Crystal Experiment Worksheet

Science experiments lesson 18: Growing salt crystals · Set 731 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.🧈 Can this change be undone: melting ice? (a) can be undone (b) cannot be undone
  2. 2.⚖️ Fair test — do salt crystals form faster on a sunny windowsill or in a shady cupboard? True or false: the amount of water is kept the same. (a) True (b) False
  3. 3.True or false: a piece of string is needed for growing salt crystals. (a) True (b) False
  4. 4.🛟 Where should you keep the crystal dish while it dries? (a) next to the baby (b) in a busy doorway (c) safe from small children (d) on the edge of a table
  5. 5.🧺 Do we need a battery cell for growing salt crystals? (a) not needed (b) needed
  6. 6.⚖️ Fair test — do salt crystals form faster on a sunny windowsill or in a shady cupboard? What do we do with “the amount of salt”? (a) we measure it (b) we change it (c) we keep it the same
  7. 7.🧺 Do we need a mirror for growing salt crystals? (a) not needed (b) needed
  8. 8.🧈 Which of these is a change that cannot be undone? (a) folding paper (b) browning lemon ink (c) melting butter (d) freezing water
  9. 9.🌊 How is salt made in salt pans by the sea? (a) salt rains down (b) sea water evaporates (c) fish make it (d) sand is ground up
  10. 10.🧺 Do we need salt for growing salt crystals? (a) not needed (b) needed
  11. 11.🧂 Does sugar dissolve in water? (a) does not dissolve (b) dissolves in water
  12. 12.True or false: cooking an egg is a change that cannot be undone. (a) True (b) False
  13. 13.🧂 Does sand dissolve in water? (a) does not dissolve (b) dissolves in water
  14. 14.🧂 Which of these dissolves in water? (a) glucose powder (b) small pebbles (c) sand (d) chalk powder
  15. 15.⚖️ Fair test — do salt crystals form faster on a sunny windowsill or in a shady cupboard? Which of these is what we measure? (a) the same dish (b) days to see crystals (c) the amount of salt (d) the kind of salt
  16. 16.🔍 Which is the odd one out? (a) sawdust (b) food colour (c) table salt (d) glucose powder
  17. 17.🧺 Which of these is needed for growing salt crystals? (a) salt (b) a battery cell (c) yeast (d) a magnet
  18. 18.True or false: a mirror is needed for growing salt crystals. (a) False (b) True
  19. 19.True or false: food colour dissolves in water. (a) False (b) True
  20. 20.⚖️ Fair test — do salt crystals form faster on a sunny windowsill or in a shady cupboard? What do we do with “sunny or shady place”? (a) we measure it (b) we change it (c) we keep it the same
  21. 21.🧺 Three of these are needed for growing salt crystals. Which one is NOT needed? (a) a spoon (b) a shallow dish (c) turmeric powder (d) salt
  22. 22.🧺 Which of these is not needed for growing salt crystals? (a) turmeric powder (b) salt (c) a shallow dish (d) a piece of string
  23. 23.🧺 Three of these are needed for growing salt crystals. Which one is NOT needed? (a) a piece of string (b) a balloon (c) salt (d) a spoon
  24. 24.🛟 Who should pour the warm water for the crystal experiment? (a) the youngest child (b) a grown-up (c) nobody needs to (d) a friend who is running
  25. 25.⚖️ Fair test — do salt crystals form faster on a sunny windowsill or in a shady cupboard? True or false: the amount of salt is the one thing we change. (a) True (b) False
  26. 26.🧺 Do we need yeast for growing salt crystals? (a) needed (b) not needed
  27. 27.True or false: freezing water is a change that can be undone. (a) False (b) True
  28. 28.🧺 Which of these is needed for growing salt crystals? (a) a battery cell (b) turmeric powder (c) a piece of string (d) a mirror
  29. 29.True or false: yeast is not needed for growing salt crystals. (a) True (b) False
  30. 30.🧺 Which of these is not needed for growing salt crystals? (a) warm water (b) a mirror (c) a spoon (d) a shallow dish
  31. 31.🧺 Three of these are needed for growing salt crystals. Which one is NOT needed? (a) warm water (b) a spoon (c) yeast (d) salt
  32. 32.True or false: salt is not needed for growing salt crystals. (a) True (b) False
  33. 33.🧺 Do we need a spoon for growing salt crystals? (a) needed (b) not needed
  34. 34.🧺 Which of these is not needed for growing salt crystals? (a) a piece of string (b) yeast (c) warm water (d) a spoon
  35. 35.⚖️ Fair test — do salt crystals form faster on a sunny windowsill or in a shady cupboard? What do we do with “days to see crystals”? (a) we measure it (b) we keep it the same (c) we change it
  36. 36.🧺 Do we need a balloon for growing salt crystals? (a) needed (b) not needed
  37. 37.🧺 Do we need a shallow dish for growing salt crystals? (a) needed (b) not needed
  38. 38.🧈 Can this change be undone: milk turning to curd? (a) can be undone (b) cannot be undone
  39. 39.True or false: a mirror is not needed for growing salt crystals. (a) True (b) False
  40. 40.🧈 Can this change be undone: rusting iron? (a) can be undone (b) cannot be undone

Answer key

  1. can be undone
  2. True
  3. True
  4. safe from small children
  5. not needed
  6. we keep it the same
  7. not needed
  8. browning lemon ink
  9. sea water evaporates
  10. needed
  11. dissolves in water
  12. True
  13. does not dissolve
  14. glucose powder
  15. days to see crystals
  16. sawdust
  17. salt
  18. False
  19. True
  20. we change it
  21. turmeric powder
  22. turmeric powder
  23. a balloon
  24. a grown-up
  25. False
  26. not needed
  27. True
  28. a piece of string
  29. True
  30. a mirror
  31. yeast
  32. False
  33. needed
  34. yeast
  35. we measure it
  36. not needed
  37. needed
  38. cannot be undone
  39. True
  40. cannot be undone

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