← Floating and sinking lesson New set →

Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 693 · 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 mirror is needed for the float-or-sink test. (a) True (b) False
  2. 2.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a balloon (c) a towel for spills (d) a results table
  3. 3.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) small test objects (c) a tub of water (d) a magnet
  4. 4.True or false: a mirror is not needed for the float-or-sink test. (a) False (b) True
  5. 5.True or false: an iron nail floats on water. (a) True (b) False
  6. 6.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
  7. 7.True or false: a steel spoon floats on water. (a) True (b) False
  8. 8.⚖️ 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 shape of the clay (b) the kind of clay (c) the tub of water (d) the amount of clay
  9. 9.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to keep children safe (c) to hide the corks (d) to win a prize
  10. 10.🛟 Which of these sinks in water? (a) a coin (b) a feather (c) a piece of thermocol (d) a cork
  11. 11.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) its hollow shape (c) sea water is warm (d) it has a magnet
  12. 12.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
  13. 13.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) small test objects (c) a tub of water (d) a battery cell
  14. 14.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a towel for spills (c) a tub of water (d) a magnet
  15. 15.True or false: an ice-cream stick floats on water. (a) False (b) True
  16. 16.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
  17. 17.🔍 Which is the odd one out? (a) a ping-pong ball (b) a glass marble (c) a cork (d) a feather
  18. 18.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
  19. 19.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
  20. 20.🔍 Which is the odd one out? (a) a piece of thermocol (b) a feather (c) an empty capped bottle (d) a coin
  21. 21.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a results table (c) yeast (d) a magnet
  22. 22.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the amount of clay (b) whether it floats (c) the kind of clay (d) the shape of the clay
  23. 23.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
  24. 24.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is kept the same. (a) True (b) False
  25. 25.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it sinks (c) it dissolves (d) it bounces up
  26. 26.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
  27. 27.True or false: yeast is not needed for the float-or-sink test. (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) a coin (b) a metal key (c) an iron nail (d) a dry leaf
  29. 29.🛟 Does a feather float or sink in water? (a) sinks (b) floats
  30. 30.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a mirror (c) small test objects (d) a balloon
  31. 31.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
  32. 32.⚖️ 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) True (b) False
  33. 33.🛟 Which of these floats on water? (a) a ball of clay (b) a cork (c) an iron nail (d) a steel spoon
  34. 34.🔍 Which is the odd one out? (a) a coin (b) a feather (c) an iron nail (d) a steel spoon
  35. 35.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) neither of them (c) both of them (d) the big log
  36. 36.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
  37. 37.🔍 Which is the odd one out? (a) a metal key (b) an ice-cream stick (c) a piece of thermocol (d) an empty capped bottle
  38. 38.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a cork (c) a ping-pong ball (d) a steel spoon
  39. 39.🧊 Why does an ice cube float on water? (a) ice is less dense (b) ice is very cold (c) ice is magnetic (d) water is sticky
  40. 40.🛟 Which of these floats on water? (a) a ball of clay (b) an iron nail (c) a metal key (d) a dry leaf

Answer key

  1. False
  2. a balloon
  3. a magnet
  4. True
  5. False
  6. True
  7. False
  8. the shape of the clay
  9. to keep children safe
  10. a coin
  11. its hollow shape
  12. not needed
  13. a battery cell
  14. a magnet
  15. True
  16. needed
  17. a glass marble
  18. True
  19. sinks
  20. a coin
  21. a results table
  22. whether it floats
  23. needed
  24. True
  25. it sinks
  26. floats
  27. True
  28. a dry leaf
  29. floats
  30. small test objects
  31. not needed
  32. True
  33. a cork
  34. a feather
  35. the big log
  36. not needed
  37. a metal key
  38. a steel spoon
  39. ice is less dense
  40. a dry leaf

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