← Growing salt crystals lesson New set →

Salt Crystal Experiment Worksheet

Science experiments lesson 18: Growing salt crystals · Set 102 · 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.True or false: sand dissolves in water. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) table salt (b) glucose powder (c) cooking oil (d) sugar
  3. 3.🧂 Which of these dissolves in water? (a) chalk powder (b) baking soda (c) cooking oil (d) sand
  4. 4.🧺 Which of these is needed for growing salt crystals? (a) a balloon (b) a magnet (c) a spoon (d) a battery cell
  5. 5.🧺 Which of these is not needed for growing salt crystals? (a) yeast (b) a shallow dish (c) salt (d) a spoon
  6. 6.🧂 Which of these does not dissolve in water? (a) sugar (b) table salt (c) chalk powder (d) food colour
  7. 7.🔍 Which is the odd one out? (a) glucose powder (b) sugar (c) sand (d) food colour
  8. 8.🔍 Which is the odd one out? (a) baking soda (b) sand (c) small pebbles (d) chalk powder
  9. 9.True or false: turmeric powder is not needed for growing salt crystals. (a) False (b) True
  10. 10.🛟 Who should pour the warm water for the crystal experiment? (a) nobody needs to (b) the youngest child (c) a grown-up (d) a friend who is running
  11. 11.True or false: folding paper is a change that cannot be undone. (a) False (b) True
  12. 12.🔍 Which is the odd one out? (a) sand (b) cooking oil (c) chalk powder (d) sugar
  13. 13.🧈 Can this change be undone: baking a cake? (a) can be undone (b) cannot be undone
  14. 14.🧂 Which of these does not dissolve in water? (a) sugar (b) small pebbles (c) baking soda (d) table salt
  15. 15.🧈 Can this change be undone: browning lemon ink? (a) can be undone (b) cannot be undone
  16. 16.True or false: melting butter is a change that cannot be undone. (a) True (b) False
  17. 17.⚖️ 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) the amount of salt (b) the same dish (c) sunny or shady place (d) days to see crystals
  18. 18.🧺 Do we need a magnet for growing salt crystals? (a) needed (b) not needed
  19. 19.True or false: a mirror is needed for growing salt crystals. (a) True (b) False
  20. 20.🔮 Predict: you use sugar instead of salt. What happens as it dries? (a) sugar crystals form (b) it turns to oil (c) salt crystals form (d) it turns to butter
  21. 21.🧈 Can this change be undone: rusting iron? (a) cannot be undone (b) can be undone
  22. 22.🧈 Which of these is a change that cannot be undone? (a) dissolving salt (b) folding paper (c) freezing water (d) cooking an egg
  23. 23.🛟 Where should you keep the crystal dish while it dries? (a) on the edge of a table (b) in a busy doorway (c) next to the baby (d) safe from small children
  24. 24.⚖️ 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
  25. 25.⚖️ Fair test — do salt crystals form faster on a sunny windowsill or in a shady cupboard? What do we do with “the same dish”? (a) we keep it the same (b) we measure it (c) we change it
  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.🧂 Does cooking oil dissolve in water? (a) dissolves in water (b) does not dissolve
  29. 29.🧺 Three of these are needed for growing salt crystals. Which one is NOT needed? (a) salt (b) a battery cell (c) a shallow dish (d) warm water
  30. 30.🔍 Which is the odd one out? (a) cooking oil (b) chalk powder (c) small pebbles (d) table salt
  31. 31.🧺 Which of these is needed for growing salt crystals? (a) a battery cell (b) turmeric powder (c) a balloon (d) a shallow dish
  32. 32.🧺 Which of these is needed for growing salt crystals? (a) warm water (b) yeast (c) a balloon (d) a magnet
  33. 33.True or false: dissolving salt is a change that can be undone. (a) True (b) False
  34. 34.🧈 Can this change be undone: milk turning to curd? (a) cannot be undone (b) can be undone
  35. 35.🧈 Which of these is a change that can be undone? (a) milk turning to curd (b) cooking an egg (c) rusting iron (d) melting butter
  36. 36.🧺 Which of these is needed for growing salt crystals? (a) salt (b) turmeric powder (c) yeast (d) a battery cell
  37. 37.True or false: food colour dissolves in water. (a) True (b) False
  38. 38.🧺 Do we need a battery cell for growing salt crystals? (a) needed (b) not needed
  39. 39.True or false: a magnet is not needed for growing salt crystals. (a) False (b) True
  40. 40.🧈 Which of these is a change that can be undone? (a) cooking an egg (b) baking a cake (c) rusting iron (d) melting ice

Answer key

  1. False
  2. cooking oil
  3. baking soda
  4. a spoon
  5. yeast
  6. chalk powder
  7. sand
  8. baking soda
  9. True
  10. a grown-up
  11. False
  12. sugar
  13. cannot be undone
  14. small pebbles
  15. cannot be undone
  16. False
  17. sunny or shady place
  18. not needed
  19. False
  20. sugar crystals form
  21. cannot be undone
  22. cooking an egg
  23. safe from small children
  24. we change it
  25. we keep it the same
  26. not needed
  27. True
  28. does not dissolve
  29. a battery cell
  30. table salt
  31. a shallow dish
  32. warm water
  33. True
  34. cannot be undone
  35. melting butter
  36. salt
  37. True
  38. not needed
  39. True
  40. melting ice

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