← Floating and sinking lesson New set →

Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 298 · 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.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is the one thing we change. (a) True (b) False
  2. 2.🛟 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) run around the tub (d) wipe up spills at once
  3. 3.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) the amount of clay (b) whether it floats (c) the shape of the clay (d) the kind of clay
  4. 4.🧺 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
  5. 5.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
  6. 6.🧊 Why does an ice cube float on water? (a) ice is very cold (b) ice is magnetic (c) water is sticky (d) ice is less dense
  7. 7.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
  8. 8.True or false: a magnet is not needed for the float-or-sink test. (a) True (b) False
  9. 9.True or false: an ice cube floats on water. (a) True (b) False
  10. 10.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a tub of water (c) a magnet (d) a towel for spills
  11. 11.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
  12. 12.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is the one thing we change. (a) False (b) True
  13. 13.🛟 Which of these floats on water? (a) a ping-pong ball (b) a coin (c) a steel spoon (d) a glass marble
  14. 14.True or false: a coin floats on water. (a) True (b) False
  15. 15.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the shape of the clay”? (a) we change it (b) we keep it the same (c) we measure it
  16. 16.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
  17. 17.🔍 Which is the odd one out? (a) a metal key (b) a coin (c) a ball of clay (d) a cork
  18. 18.🛟 Does a coin float or sink in water? (a) sinks (b) floats
  19. 19.🛟 Which of these sinks in water? (a) an ice-cream stick (b) an iron nail (c) a piece of thermocol (d) a ping-pong ball
  20. 20.True or false: a pebble sinks in water. (a) True (b) False
  21. 21.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is kept the same. (a) False (b) True
  22. 22.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the amount of clay”? (a) we measure it (b) we change it (c) we keep it the same
  23. 23.🛟 Does a cork float or sink in water? (a) floats (b) sinks
  24. 24.🧺 Which of these is not needed for the float-or-sink test? (a) a balloon (b) a tub of water (c) small test objects (d) a towel for spills
  25. 25.True or false: a metal key floats on water. (a) False (b) True
  26. 26.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
  27. 27.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is what we measure. (a) False (b) True
  28. 28.🔍 Which is the odd one out? (a) an ice-cream stick (b) an empty capped bottle (c) a cork (d) a glass marble
  29. 29.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to splash everyone (c) to hide the corks (d) to keep children safe
  30. 30.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
  31. 31.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) yeast (c) a battery cell (d) a magnet
  32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we keep it the same (b) we measure it (c) we change it
  33. 33.True or false: a feather sinks in water. (a) False (b) True
  34. 34.🔍 Which is the odd one out? (a) a coin (b) an empty capped bottle (c) a ping-pong ball (d) a feather
  35. 35.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a feather (c) a ping-pong ball (d) a glass marble
  36. 36.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) sea water is warm (c) its hollow shape (d) steel is very light
  37. 37.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
  38. 38.True or false: a pebble floats on water. (a) True (b) False
  39. 39.True or false: yeast is needed for the float-or-sink test. (a) False (b) True
  40. 40.🧺 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 towel for spills (d) small test objects

Answer key

  1. True
  2. wipe up spills at once
  3. the shape of the clay
  4. a magnet
  5. not needed
  6. ice is less dense
  7. True
  8. True
  9. True
  10. a magnet
  11. sinks
  12. False
  13. a ping-pong ball
  14. False
  15. we change it
  16. not needed
  17. a cork
  18. sinks
  19. an iron nail
  20. True
  21. False
  22. we keep it the same
  23. floats
  24. a balloon
  25. False
  26. not needed
  27. True
  28. a glass marble
  29. to keep children safe
  30. not needed
  31. small test objects
  32. we measure it
  33. False
  34. a coin
  35. a glass marble
  36. its hollow shape
  37. False
  38. False
  39. False
  40. a mirror

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