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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 731 · 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.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
  2. 2.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False
  3. 3.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a tub of water (c) small test objects (d) yeast
  4. 4.True or false: a magnet is not needed for the float-or-sink test. (a) True (b) False
  5. 5.🧺 Which of these is needed for the float-or-sink test? (a) a tub of water (b) yeast (c) a balloon (d) turmeric powder
  6. 6.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is the one thing we change. (a) False (b) True
  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) the amount of clay (b) the tub of water (c) the shape of the clay (d) whether it floats
  8. 8.True or false: a steel spoon sinks in water. (a) True (b) False
  9. 9.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a tub of water (c) a towel for spills (d) a battery cell
  10. 10.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is what we measure. (a) False (b) True
  11. 11.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
  12. 12.True or false: an ice cube floats on water. (a) False (b) True
  13. 13.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a towel for spills (c) a results table (d) yeast
  14. 14.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it sinks (c) it melts (d) it floats higher
  15. 15.🛟 Does a piece of thermocol float or sink in water? (a) floats (b) sinks
  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 keep it the same (b) we change it (c) we measure it
  17. 17.⚖️ 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
  18. 18.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks
  19. 19.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
  20. 20.⚖️ 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) True (b) False
  21. 21.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) it has a magnet (c) steel is very light (d) sea water is warm
  22. 22.⚖️ 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
  23. 23.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) run around the tub (c) play near a deep pond (d) leave water on the floor
  24. 24.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
  25. 25.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
  26. 26.🛟 Does a feather float or sink in water? (a) floats (b) sinks
  27. 27.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) ice is very cold (c) water is sticky (d) ice is less dense
  28. 28.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
  29. 29.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a ball of clay (d) an ice-cream stick
  30. 30.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  31. 31.🔍 Which is the odd one out? (a) a metal key (b) a coin (c) a glass marble (d) a ping-pong ball
  32. 32.🧺 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 results table (d) a battery cell
  33. 33.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a results table (c) a balloon (d) turmeric powder
  34. 34.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
  35. 35.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a few ice cubes (c) lots of salt stirred in (d) a little shaking
  36. 36.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
  37. 37.⚖️ 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) whether it floats (c) the tub of water
  38. 38.True or false: a piece of thermocol sinks in water. (a) False (b) True
  39. 39.🛟 Which of these sinks in water? (a) a dry leaf (b) a feather (c) a pebble (d) an ice cube
  40. 40.🔍 Which is the odd one out? (a) a ball of clay (b) a feather (c) a glass marble (d) an iron nail

Answer key

  1. sinks
  2. False
  3. yeast
  4. True
  5. a tub of water
  6. False
  7. the shape of the clay
  8. True
  9. a battery cell
  10. False
  11. sinks
  12. True
  13. yeast
  14. it sinks
  15. floats
  16. we change it
  17. True
  18. floats
  19. needed
  20. False
  21. its hollow shape
  22. we keep it the same
  23. wipe up spills at once
  24. False
  25. not needed
  26. floats
  27. ice is less dense
  28. floats
  29. an ice-cream stick
  30. needed
  31. a ping-pong ball
  32. a battery cell
  33. a results table
  34. sinks
  35. lots of salt stirred in
  36. True
  37. the tub of water
  38. False
  39. a pebble
  40. a feather

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