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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 663 · 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.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False
  2. 2.🧺 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 tub of water (d) a magnet
  3. 3.🛟 Does a cork float or sink in water? (a) floats (b) sinks
  4. 4.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a magnet (c) a tub of water (d) turmeric powder
  5. 5.🧊 Why does an ice cube float on water? (a) ice is very cold (b) ice is magnetic (c) ice is less dense (d) water is sticky
  6. 6.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
  7. 7.🔍 Which is the odd one out? (a) a pebble (b) an empty capped bottle (c) a coin (d) an iron nail
  8. 8.🔍 Which is the odd one out? (a) a glass marble (b) an iron nail (c) a dry leaf (d) a pebble
  9. 9.⚖️ 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) False (b) True
  10. 10.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
  11. 11.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a tub of water (c) a battery cell (d) a results table
  12. 12.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it can float (c) it sinks faster (d) it turns to stone
  13. 13.⚖️ 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
  14. 14.⚖️ 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
  15. 15.True or false: an iron nail sinks in water. (a) True (b) False
  16. 16.True or false: a metal key sinks in water. (a) False (b) True
  17. 17.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
  18. 18.⚖️ 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 keep it the same (b) we measure it (c) we change it
  19. 19.🧺 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) a tub of water (d) turmeric powder
  20. 20.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it dissolves (c) it bounces up (d) it sinks
  21. 21.True or false: turmeric powder is needed for the float-or-sink test. (a) False (b) True
  22. 22.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the shape of the clay (b) the tub of water (c) whether it floats (d) the amount of clay
  23. 23.🧺 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) a tub of water (d) a mirror
  24. 24.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
  25. 25.🔍 Which is the odd one out? (a) a glass marble (b) a steel spoon (c) an iron nail (d) a cork
  26. 26.True or false: an ice-cream stick sinks in water. (a) False (b) True
  27. 27.True or false: an ice cube floats on water. (a) True (b) False
  28. 28.⚖️ 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) whether it floats (c) the shape of the clay (d) the amount of clay
  29. 29.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
  30. 30.🔍 Which is the odd one out? (a) a cork (b) a ping-pong ball (c) an ice-cream stick (d) a steel spoon
  31. 31.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
  32. 32.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) run around the tub (c) wipe up spills at once (d) play near a deep pond
  33. 33.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
  34. 34.🛟 Which of these sinks in water? (a) a dry leaf (b) a feather (c) an ice-cream stick (d) a metal key
  35. 35.True or false: a ball of clay floats on water. (a) False (b) True
  36. 36.🛟 Which of these sinks in water? (a) a dry leaf (b) a feather (c) an empty capped bottle (d) an iron nail
  37. 37.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
  38. 38.⚖️ 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) False (b) True
  39. 39.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a mirror (c) a balloon (d) a results table
  40. 40.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a cork (c) a steel spoon (d) an ice cube

Answer key

  1. False
  2. a magnet
  3. floats
  4. a tub of water
  5. ice is less dense
  6. not needed
  7. an empty capped bottle
  8. a dry leaf
  9. True
  10. needed
  11. a battery cell
  12. it can float
  13. False
  14. True
  15. True
  16. True
  17. needed
  18. we change it
  19. turmeric powder
  20. it sinks
  21. False
  22. whether it floats
  23. a mirror
  24. not needed
  25. a cork
  26. False
  27. True
  28. the shape of the clay
  29. not needed
  30. a steel spoon
  31. floats
  32. wipe up spills at once
  33. not needed
  34. a metal key
  35. False
  36. an iron nail
  37. not needed
  38. False
  39. a results table
  40. a steel spoon

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