← Floating and sinking lesson New set →

Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 282 · 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 kind of clay is kept the same. (a) False (b) True
  2. 2.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) play near a deep pond (c) wipe up spills at once (d) leave water on the floor
  3. 3.🧺 Which of these is not needed for the float-or-sink test? (a) yeast (b) a tub of water (c) a results table (d) small test objects
  4. 4.True or false: a ball of clay sinks in water. (a) False (b) True
  5. 5.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
  6. 6.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a balloon (c) yeast (d) a towel for spills
  7. 7.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
  8. 8.🛟 Which of these floats on water? (a) a steel spoon (b) a glass marble (c) a pebble (d) an ice-cream stick
  9. 9.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a little shaking (c) a few ice cubes (d) lots of salt stirred in
  10. 10.True or false: a steel spoon floats on water. (a) True (b) False
  11. 11.⚖️ 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 keep it the same (c) we measure it
  12. 12.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
  13. 13.🔍 Which is the odd one out? (a) a dry leaf (b) an empty capped bottle (c) a ball of clay (d) an ice-cream stick
  14. 14.🛟 Which of these floats on water? (a) a ball of clay (b) an empty capped bottle (c) a pebble (d) a metal key
  15. 15.⚖️ 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
  16. 16.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it sinks faster (c) it dissolves (d) it can float
  17. 17.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
  18. 18.True or false: a ping-pong ball floats on water. (a) True (b) False
  19. 19.🔍 Which is the odd one out? (a) an iron nail (b) a steel spoon (c) a ping-pong ball (d) a coin
  20. 20.🛟 Which of these floats on water? (a) a steel spoon (b) a glass marble (c) a coin (d) a feather
  21. 21.True or false: an ice cube floats on water. (a) False (b) True
  22. 22.True or false: a pebble floats on water. (a) True (b) False
  23. 23.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
  24. 24.🔍 Which is the odd one out? (a) an ice cube (b) a feather (c) a metal key (d) a cork
  25. 25.🛟 Which of these floats on water? (a) a metal key (b) a steel spoon (c) a cork (d) an iron nail
  26. 26.⚖️ 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
  27. 27.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
  28. 28.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
  29. 29.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) it has a magnet (c) sea water is warm (d) steel is very light
  30. 30.🔍 Which is the odd one out? (a) a steel spoon (b) an empty capped bottle (c) a ball of clay (d) a metal key
  31. 31.🔍 Which is the odd one out? (a) a ping-pong ball (b) an ice cube (c) a pebble (d) a feather
  32. 32.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it dissolves (c) it bounces up (d) it sinks
  33. 33.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
  34. 34.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) yeast (c) a balloon (d) small test objects
  35. 35.⚖️ 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 kind of clay (b) whether it floats (c) the shape of the clay (d) the tub of water
  36. 36.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to win a prize (c) to keep children safe (d) to splash everyone
  37. 37.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is magnetic (c) ice is very cold (d) ice is less dense
  38. 38.True or false: a results table is needed for the float-or-sink test. (a) True (b) False
  39. 39.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a magnet (c) small test objects (d) a towel for spills
  40. 40.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed

Answer key

  1. True
  2. wipe up spills at once
  3. yeast
  4. True
  5. floats
  6. a towel for spills
  7. not needed
  8. an ice-cream stick
  9. lots of salt stirred in
  10. False
  11. we keep it the same
  12. needed
  13. a ball of clay
  14. an empty capped bottle
  15. we keep it the same
  16. it can float
  17. not needed
  18. True
  19. a ping-pong ball
  20. a feather
  21. True
  22. False
  23. needed
  24. a metal key
  25. a cork
  26. False
  27. floats
  28. True
  29. its hollow shape
  30. an empty capped bottle
  31. a pebble
  32. it sinks
  33. sinks
  34. small test objects
  35. the shape of the clay
  36. to keep children safe
  37. ice is less dense
  38. True
  39. a magnet
  40. not needed

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