← Floating and sinking lesson New set →

Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 966 · 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 safe way to do the float-or-sink test? (a) play near a deep pond (b) leave water on the floor (c) wipe up spills at once (d) run around the tub
  2. 2.True or false: turmeric powder is not needed for the float-or-sink test. (a) False (b) True
  3. 3.True or false: a magnet is needed for the float-or-sink test. (a) False (b) True
  4. 4.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) turmeric powder (c) small test objects (d) a mirror
  5. 5.🧊 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
  6. 6.⚖️ 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) False (b) True
  7. 7.True or false: a metal key floats on water. (a) True (b) False
  8. 8.True or false: a cork sinks in water. (a) True (b) False
  9. 9.🧺 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 towel for spills (d) a magnet
  10. 10.⚖️ 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) the tub of water (c) the shape of the clay (d) whether it floats
  11. 11.🛟 Does an empty capped bottle float or sink in water? (a) sinks (b) floats
  12. 12.🔍 Which is the odd one out? (a) a ball of clay (b) an ice-cream stick (c) a ping-pong ball (d) a cork
  13. 13.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True
  14. 14.🛟 Does a cork float or sink in water? (a) sinks (b) floats
  15. 15.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  16. 16.⚖️ 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
  17. 17.⚖️ 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 amount of clay (c) the tub of water (d) the kind of clay
  18. 18.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a tub of water (c) a battery cell (d) small test objects
  19. 19.🛟 Which of these sinks in water? (a) a feather (b) a ping-pong ball (c) an ice cube (d) a metal key
  20. 20.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
  21. 21.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) yeast (b) a towel for spills (c) small test objects (d) a results table
  22. 22.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
  23. 23.⚖️ 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 keep it the same (b) we measure it (c) we change it
  24. 24.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a ping-pong ball (c) a cork (d) a steel spoon
  25. 25.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
  26. 26.⚖️ 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 measure it (b) we change it (c) we keep it the same
  27. 27.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
  28. 28.⚖️ 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
  29. 29.🛟 Which of these floats on water? (a) a dry leaf (b) a ball of clay (c) a metal key (d) a pebble
  30. 30.⚖️ 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
  31. 31.⚖️ 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
  32. 32.⚖️ 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
  33. 33.🧺 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 balloon
  34. 34.🔍 Which is the odd one out? (a) a steel spoon (b) a piece of thermocol (c) a feather (d) an ice cube
  35. 35.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) turmeric powder (c) a magnet (d) a tub of water
  36. 36.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
  37. 37.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) steel is very light (c) its hollow shape (d) sea water is warm
  38. 38.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) turmeric powder (c) a tub of water (d) a results table
  39. 39.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) a tub of water (c) a towel for spills (d) a results table
  40. 40.⚖️ 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

Answer key

  1. wipe up spills at once
  2. True
  3. False
  4. small test objects
  5. ice is less dense
  6. False
  7. False
  8. False
  9. a magnet
  10. whether it floats
  11. floats
  12. a ball of clay
  13. True
  14. floats
  15. False
  16. we change it
  17. the shape of the clay
  18. a battery cell
  19. a metal key
  20. not needed
  21. yeast
  22. sinks
  23. we keep it the same
  24. a steel spoon
  25. False
  26. we keep it the same
  27. False
  28. False
  29. a dry leaf
  30. True
  31. False
  32. True
  33. a balloon
  34. a steel spoon
  35. a tub of water
  36. False
  37. its hollow shape
  38. turmeric powder
  39. a mirror
  40. False

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