← Floating and sinking lesson New set →

Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 789 · 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.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a battery cell (c) a tub of water (d) yeast
  2. 2.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
  3. 3.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is what we measure. (a) True (b) False
  4. 4.🔍 Which is the odd one out? (a) a metal key (b) an ice cube (c) a ball of clay (d) a steel spoon
  5. 5.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is what we measure. (a) True (b) False
  6. 6.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a results table (c) a battery cell (d) a towel for spills
  7. 7.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
  8. 8.🛟 Which of these floats on water? (a) an iron nail (b) a ball of clay (c) an ice-cream stick (d) a steel spoon
  9. 9.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
  10. 10.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
  11. 11.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a mirror (c) a tub of water (d) small test objects
  12. 12.🔍 Which is the odd one out? (a) an empty capped bottle (b) a coin (c) a ping-pong ball (d) a dry leaf
  13. 13.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
  14. 14.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) yeast (c) small test objects (d) a towel for spills
  15. 15.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) run around the tub (c) leave water on the floor (d) wipe up spills at once
  16. 16.True or false: a metal key floats on water. (a) True (b) False
  17. 17.🛟 Does a cork float or sink in water? (a) sinks (b) floats
  18. 18.True or false: yeast is not needed for the float-or-sink test. (a) True (b) False
  19. 19.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is the one thing we change. (a) True (b) False
  20. 20.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) small test objects (c) yeast (d) a tub of water
  21. 21.🛟 Which of these floats on water? (a) a pebble (b) a cork (c) an iron nail (d) a glass marble
  22. 22.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the big log (c) the small pebble (d) neither of them
  23. 23.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) whether it floats (b) the shape of the clay (c) the kind of clay
  24. 24.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it turns to stone (c) it sinks faster (d) it can float
  25. 25.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
  26. 26.⚖️ 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) the shape of the clay (c) the tub of water (d) whether it floats
  27. 27.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
  28. 28.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
  29. 29.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to hide the corks (c) to win a prize (d) to splash everyone
  30. 30.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) a balloon (c) a magnet (d) a mirror
  31. 31.True or false: small test objects is needed for the float-or-sink test. (a) True (b) False
  32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is the one thing we change. (a) False (b) True
  33. 33.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
  34. 34.True or false: a dry leaf floats on water. (a) False (b) True
  35. 35.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
  36. 36.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a towel for spills (c) a tub of water (d) a balloon
  37. 37.True or false: a mirror is needed for the float-or-sink test. (a) False (b) True
  38. 38.🔮 A cork floats in tap water. What happens in very salty water? (a) it still floats (b) it turns white (c) it dissolves (d) it sinks
  39. 39.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) sea water is warm (c) steel is very light (d) it has a magnet
  40. 40.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats

Answer key

  1. a tub of water
  2. False
  3. False
  4. an ice cube
  5. False
  6. a battery cell
  7. not needed
  8. an ice-cream stick
  9. needed
  10. sinks
  11. a mirror
  12. a coin
  13. needed
  14. yeast
  15. wipe up spills at once
  16. False
  17. floats
  18. True
  19. False
  20. yeast
  21. a cork
  22. the big log
  23. the kind of clay
  24. it can float
  25. not needed
  26. the shape of the clay
  27. not needed
  28. floats
  29. to keep children safe
  30. small test objects
  31. True
  32. False
  33. floats
  34. True
  35. sinks
  36. a balloon
  37. False
  38. it still floats
  39. its hollow shape
  40. floats

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