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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 189 · 40 questions
TalentJR

What you do (Float or sink?): 1. Fill a tub with water on a towel, with an adult nearby. 2. Guess “float” or “sink” for each object and write it in a table. 3. Gently place each object on the water and write what happens. 4. Press the sinking clay into a boat shape and try again; wipe up spills.

NameDateTime takenScore ___ / 40
  1. 1.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
  2. 2.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it sinks faster (c) it turns to stone (d) it can float
  3. 3.True or false: an iron nail sinks in water. (a) False (b) True
  4. 4.🛟 Which of these floats on water? (a) a steel spoon (b) a glass marble (c) a piece of thermocol (d) a pebble
  5. 5.🔍 Which is the odd one out? (a) a pebble (b) a ball of clay (c) a steel spoon (d) a feather
  6. 6.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) it has a magnet (c) its hollow shape (d) sea water is warm
  7. 7.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
  8. 8.🔍 Which is the odd one out? (a) a steel spoon (b) an iron nail (c) a pebble (d) an empty capped bottle
  9. 9.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) leave water on the floor (c) wipe up spills at once (d) run around the tub
  10. 10.🛟 Which of these floats on water? (a) a feather (b) a glass marble (c) a pebble (d) a coin
  11. 11.True or false: a steel spoon sinks in water. (a) False (b) True
  12. 12.True or false: an ice-cream stick sinks in water. (a) True (b) False
  13. 13.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) small test objects (d) a magnet
  14. 14.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) small test objects (c) yeast (d) a magnet
  15. 15.True or false: small test objects is not needed for the float-or-sink test. (a) False (b) True
  16. 16.🛟 Which of these floats on water? (a) an empty capped bottle (b) a coin (c) a steel spoon (d) a ball of clay
  17. 17.🛟 Which of these sinks in water? (a) a cork (b) an empty capped bottle (c) a ping-pong ball (d) a pebble
  18. 18.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
  19. 19.🔍 Which is the odd one out? (a) an empty capped bottle (b) a metal key (c) an ice-cream stick (d) a dry leaf
  20. 20.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
  21. 21.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a tub of water (c) a magnet (d) small test objects
  22. 22.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
  23. 23.True or false: a magnet is not needed for the float-or-sink test. (a) True (b) False
  24. 24.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is kept the same. (a) False (b) True
  25. 25.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the tub of water”? (a) we change it (b) we measure it (c) we keep it the same
  26. 26.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
  27. 27.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
  28. 28.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is kept the same. (a) True (b) False
  29. 29.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a cork (c) a feather (d) a steel spoon
  30. 30.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the amount of clay (b) the shape of the clay (c) whether it floats
  31. 31.True or false: yeast is needed for the float-or-sink test. (a) False (b) True
  32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the shape of the clay (b) the kind of clay (c) the amount of clay (d) whether it floats
  33. 33.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
  34. 34.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to hide the corks (c) to splash everyone (d) to keep children safe
  35. 35.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a results table (c) a mirror (d) turmeric powder
  36. 36.🛟 Does an empty capped bottle float or sink in water? (a) sinks (b) floats
  37. 37.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a few ice cubes (c) lots of salt stirred in (d) a little shaking
  38. 38.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a mirror (c) a tub of water (d) a towel for spills
  39. 39.True or false: a glass marble floats on water. (a) False (b) True
  40. 40.🧺 Which of these is needed for the float-or-sink test? (a) a tub of water (b) yeast (c) a battery cell (d) a magnet

Answer key

  1. False
  2. it can float
  3. True
  4. a piece of thermocol
  5. a feather
  6. its hollow shape
  7. floats
  8. an empty capped bottle
  9. wipe up spills at once
  10. a feather
  11. True
  12. False
  13. a magnet
  14. small test objects
  15. False
  16. an empty capped bottle
  17. a pebble
  18. needed
  19. a metal key
  20. not needed
  21. a magnet
  22. needed
  23. True
  24. True
  25. we keep it the same
  26. False
  27. False
  28. True
  29. a steel spoon
  30. the amount of clay
  31. False
  32. whether it floats
  33. floats
  34. to keep children safe
  35. a results table
  36. floats
  37. lots of salt stirred in
  38. a mirror
  39. False
  40. a tub of water

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