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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 968 · 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) leave water on the floor (b) wipe up spills at once (c) play near a deep pond (d) run around the tub
  2. 2.True or false: a glass marble sinks in water. (a) False (b) True
  3. 3.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
  4. 4.🛟 Which of these floats on water? (a) a ball of clay (b) a ping-pong ball (c) a glass marble (d) a steel spoon
  5. 5.🥚 A fresh egg sinks in plain water. What makes it float? (a) a little shaking (b) a few ice cubes (c) more plain water (d) lots of salt stirred in
  6. 6.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to hide the corks (c) to keep children safe (d) to win a prize
  7. 7.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a magnet (c) a towel for spills (d) a results table
  8. 8.True or false: a dry leaf sinks in water. (a) False (b) True
  9. 9.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
  10. 10.🛟 Does a steel spoon float or sink in water? (a) sinks (b) floats
  11. 11.True or false: a balloon is needed for the float-or-sink test. (a) False (b) True
  12. 12.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a tub of water (c) yeast (d) a battery cell
  13. 13.⚖️ 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
  14. 14.True or false: a battery cell is not needed for the float-or-sink test. (a) True (b) False
  15. 15.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a dry leaf (c) a feather (d) a metal key
  16. 16.True or false: a metal key floats on water. (a) True (b) False
  17. 17.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  18. 18.True or false: a pebble sinks in water. (a) True (b) False
  19. 19.⚖️ 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 shape of the clay (c) the kind of clay (d) whether it floats
  20. 20.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) small test objects (c) turmeric powder (d) a balloon
  21. 21.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) small test objects (d) a mirror
  22. 22.🔍 Which is the odd one out? (a) a feather (b) a metal key (c) a steel spoon (d) a glass marble
  23. 23.⚖️ 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 amount of clay
  24. 24.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it dissolves (c) it sinks (d) it floats
  25. 25.🛟 Which of these floats on water? (a) a glass marble (b) a piece of thermocol (c) a pebble (d) a ball of clay
  26. 26.🛟 Which of these sinks in water? (a) an empty capped bottle (b) an ice cube (c) a cork (d) a pebble
  27. 27.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
  28. 28.🧊 Why does an ice cube float on water? (a) ice is less dense (b) water is sticky (c) ice is magnetic (d) ice is very cold
  29. 29.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) small test objects (d) turmeric powder
  30. 30.🧺 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 towel for spills
  31. 31.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) a magnet (c) a balloon (d) yeast
  32. 32.🛟 Does a ping-pong ball float or sink in water? (a) sinks (b) floats
  33. 33.🔍 Which is the odd one out? (a) a metal key (b) a dry leaf (c) a cork (d) a feather
  34. 34.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a tub of water (c) small test objects (d) yeast
  35. 35.⚖️ 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) True (b) False
  36. 36.⚖️ 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
  37. 37.True or false: a feather floats on water. (a) True (b) False
  38. 38.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
  39. 39.🛟 Which of these floats on water? (a) a coin (b) an ice cube (c) a pebble (d) a ball of clay
  40. 40.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed

Answer key

  1. wipe up spills at once
  2. True
  3. not needed
  4. a ping-pong ball
  5. lots of salt stirred in
  6. to keep children safe
  7. a magnet
  8. False
  9. needed
  10. sinks
  11. False
  12. a tub of water
  13. False
  14. True
  15. a metal key
  16. False
  17. False
  18. True
  19. whether it floats
  20. small test objects
  21. a mirror
  22. a feather
  23. the amount of clay
  24. it sinks
  25. a piece of thermocol
  26. a pebble
  27. True
  28. ice is less dense
  29. turmeric powder
  30. a battery cell
  31. a results table
  32. floats
  33. a metal key
  34. yeast
  35. False
  36. False
  37. True
  38. needed
  39. an ice cube
  40. needed

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