← Floating and sinking lesson New set →

Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 426 · 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? What do we do with “the shape of the clay”? (a) we measure it (b) we keep it the same (c) we change it
  2. 2.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) yeast (c) a tub of water (d) a results table
  3. 3.True or false: a ping-pong ball sinks in water. (a) False (b) True
  4. 4.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is kept the same. (a) True (b) False
  5. 5.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a tub of water (c) a mirror (d) a results table
  6. 6.🔮 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 can float (d) it dissolves
  7. 7.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) whether it floats (b) the tub of water (c) the kind of clay (d) the shape of the clay
  8. 8.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it floats higher (c) it melts (d) it sinks
  9. 9.True or false: an ice cube floats on water. (a) False (b) True
  10. 10.🔍 Which is the odd one out? (a) a dry leaf (b) a cork (c) an ice cube (d) a ball of clay
  11. 11.True or false: a balloon is not needed for the float-or-sink test. (a) False (b) True
  12. 12.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) leave water on the floor (c) play near a deep pond (d) run around the tub
  13. 13.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a battery cell (c) a mirror (d) a towel for spills
  14. 14.⚖️ 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
  15. 15.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the small pebble (c) neither of them (d) the big log
  16. 16.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is kept the same. (a) False (b) True
  17. 17.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
  18. 18.True or false: a dry leaf sinks in water. (a) False (b) True
  19. 19.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
  20. 20.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a results table (c) turmeric powder (d) a tub of water
  21. 21.🔍 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
  22. 22.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  23. 23.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) yeast (c) a balloon (d) a mirror
  24. 24.⚖️ 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) True (b) False
  25. 25.True or false: a piece of thermocol sinks in water. (a) False (b) True
  26. 26.🛟 Which of these floats on water? (a) a coin (b) an ice cube (c) a steel spoon (d) a ball of clay
  27. 27.🛟 Does a cork float or sink in water? (a) sinks (b) floats
  28. 28.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a battery cell (c) small test objects (d) a tub of water
  29. 29.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
  30. 30.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) yeast (d) a tub of water
  31. 31.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a balloon (c) yeast (d) small test objects
  32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we measure it (b) we change it (c) we keep it the same
  33. 33.🛟 Which of these floats on water? (a) a glass marble (b) a steel spoon (c) a piece of thermocol (d) a coin
  34. 34.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a results table (c) a tub of water (d) a battery cell
  35. 35.True or false: a cork sinks in water. (a) False (b) True
  36. 36.🛟 Does a pebble 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? True or false: the tub of water is the one thing we change. (a) True (b) False
  38. 38.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
  39. 39.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
  40. 40.True or false: an ice-cream stick sinks in water. (a) True (b) False

Answer key

  1. we change it
  2. yeast
  3. False
  4. True
  5. a mirror
  6. it can float
  7. the shape of the clay
  8. it sinks
  9. True
  10. a ball of clay
  11. True
  12. wipe up spills at once
  13. a towel for spills
  14. False
  15. the big log
  16. False
  17. sinks
  18. False
  19. not needed
  20. turmeric powder
  21. it sinks
  22. needed
  23. a results table
  24. False
  25. False
  26. an ice cube
  27. floats
  28. a battery cell
  29. not needed
  30. yeast
  31. small test objects
  32. we measure it
  33. a piece of thermocol
  34. a battery cell
  35. False
  36. sinks
  37. False
  38. True
  39. not needed
  40. False

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