← Floating and sinking lesson New set →

Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 294 · 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 is the odd one out? (a) a ping-pong ball (b) a pebble (c) an ice-cream stick (d) a feather
  2. 2.⚖️ 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
  3. 3.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) small test objects (c) a tub of water (d) a battery cell
  4. 4.True or false: an ice cube sinks in water. (a) False (b) True
  5. 5.⚖️ 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 measure it (b) we keep it the same (c) we change it
  6. 6.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the kind of clay”? (a) we change it (b) we measure it (c) we keep it the same
  7. 7.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the tub of water (b) whether it floats (c) the shape of the clay
  8. 8.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) both of them (c) the big log (d) the small pebble
  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.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
  11. 11.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a balloon (c) a towel for spills (d) a battery cell
  12. 12.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a results table (c) yeast (d) turmeric powder
  13. 13.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) leave water on the floor (c) play near a deep pond (d) wipe up spills at once
  14. 14.🌊 What pushes a floating cork upward? (a) the tub (b) the air above (c) the cork itself (d) the water
  15. 15.🛟 Which of these sinks in water? (a) an ice cube (b) an empty capped bottle (c) a dry leaf (d) a coin
  16. 16.🔍 Which is the odd one out? (a) a metal key (b) an iron nail (c) a cork (d) a glass marble
  17. 17.True or false: a battery cell is not needed for the float-or-sink test. (a) False (b) True
  18. 18.⚖️ 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
  19. 19.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
  20. 20.⚖️ 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
  21. 21.True or false: a pebble floats on water. (a) True (b) False
  22. 22.⚖️ 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
  23. 23.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
  24. 24.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
  25. 25.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a magnet (c) a battery cell (d) a tub of water
  26. 26.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is what we measure. (a) False (b) True
  27. 27.⚖️ 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 tub of water (c) the amount of clay (d) whether it floats
  28. 28.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) yeast (c) small test objects (d) a balloon
  29. 29.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
  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 shape of the clay (b) the kind of clay (c) whether it floats
  31. 31.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
  32. 32.True or false: a results table is needed for the float-or-sink test. (a) False (b) True
  33. 33.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a towel for spills (c) turmeric powder (d) small test objects
  34. 34.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a mirror (c) a tub of water (d) a results table
  35. 35.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
  36. 36.🛟 Does a cork float or sink in water? (a) floats (b) sinks
  37. 37.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the tub of water (b) the shape of the clay (c) whether it floats (d) the kind of clay
  38. 38.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) a tub of water (d) a magnet
  39. 39.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
  40. 40.True or false: a steel spoon floats on water. (a) True (b) False

Answer key

  1. a pebble
  2. False
  3. a battery cell
  4. False
  5. we change it
  6. we keep it the same
  7. the tub of water
  8. the big log
  9. lots of salt stirred in
  10. needed
  11. a towel for spills
  12. a results table
  13. wipe up spills at once
  14. the water
  15. a coin
  16. a cork
  17. True
  18. True
  19. True
  20. we keep it the same
  21. False
  22. True
  23. needed
  24. floats
  25. a tub of water
  26. False
  27. the shape of the clay
  28. small test objects
  29. needed
  30. the kind of clay
  31. floats
  32. True
  33. turmeric powder
  34. a mirror
  35. not needed
  36. floats
  37. whether it floats
  38. a magnet
  39. sinks
  40. False

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