← Floating and sinking lesson New set →

Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 548 · 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 floats on water? (a) a pebble (b) an empty capped bottle (c) a steel spoon (d) a metal key
  2. 2.⚖️ 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
  3. 3.⚖️ 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) True (b) False
  4. 4.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
  5. 5.True or false: a tub of water is not needed for the float-or-sink test. (a) False (b) True
  6. 6.⚖️ 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) False (b) True
  7. 7.True or false: an iron nail sinks in water. (a) False (b) True
  8. 8.🛟 Does a pebble float or sink in water? (a) sinks (b) floats
  9. 9.True or false: a coin sinks in water. (a) True (b) False
  10. 10.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it sinks (c) it turns blue (d) it floats higher
  11. 11.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
  12. 12.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
  13. 13.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
  14. 14.True or false: a feather floats on water. (a) False (b) True
  15. 15.🛟 Which of these floats on water? (a) a feather (b) a ball of clay (c) a steel spoon (d) a pebble
  16. 16.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
  17. 17.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
  18. 18.⚖️ 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 amount of clay (b) the kind of clay (c) the shape of the clay (d) whether it floats
  19. 19.🛟 Does a coin float or sink in water? (a) sinks (b) floats
  20. 20.🔍 Which is the odd one out? (a) a coin (b) a steel spoon (c) a feather (d) a metal key
  21. 21.⚖️ 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
  22. 22.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False
  23. 23.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we change it (b) we keep it the same (c) we measure it
  24. 24.🛟 Does a feather float or sink in water? (a) sinks (b) floats
  25. 25.🌊 What pushes a floating cork upward? (a) the cork itself (b) the air above (c) the tub (d) the water
  26. 26.🧺 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 towel for spills (d) a mirror
  27. 27.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) wipe up spills at once (c) leave water on the floor (d) run around the tub
  28. 28.True or false: a pebble floats on water. (a) False (b) True
  29. 29.🔍 You drop a coin into a tub of water. What do you see? (a) it sinks (b) it dissolves (c) it bounces up (d) it floats
  30. 30.🧺 Which of these is not needed for the float-or-sink test? (a) a balloon (b) a towel for spills (c) a tub of water (d) a results table
  31. 31.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) small test objects (d) a battery cell
  32. 32.⚖️ 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
  33. 33.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a mirror (c) a magnet (d) a results table
  34. 34.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
  35. 35.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) whether it floats (b) the tub of water (c) the shape of the clay (d) the kind of clay
  36. 36.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
  37. 37.True or false: a metal key floats on water. (a) True (b) False
  38. 38.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to splash everyone (c) to hide the corks (d) to win a prize
  39. 39.🧺 Which of these is needed for the float-or-sink test? (a) a tub of water (b) a mirror (c) a magnet (d) yeast
  40. 40.🛟 Which of these sinks in water? (a) a glass marble (b) a ping-pong ball (c) a cork (d) a dry leaf

Answer key

  1. an empty capped bottle
  2. the kind of clay
  3. False
  4. needed
  5. False
  6. True
  7. True
  8. sinks
  9. True
  10. it sinks
  11. not needed
  12. sinks
  13. sinks
  14. True
  15. a feather
  16. floats
  17. floats
  18. the shape of the clay
  19. sinks
  20. a feather
  21. we keep it the same
  22. False
  23. we measure it
  24. floats
  25. the water
  26. a mirror
  27. wipe up spills at once
  28. False
  29. it sinks
  30. a balloon
  31. a battery cell
  32. False
  33. a results table
  34. needed
  35. whether it floats
  36. not needed
  37. False
  38. to keep children safe
  39. a tub of water
  40. a glass marble

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