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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 503 · 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.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) yeast (b) a tub of water (c) small test objects (d) a results table
  2. 2.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a magnet (c) small test objects (d) a tub of water
  3. 3.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
  4. 4.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
  5. 5.True or false: a pebble floats on water. (a) True (b) False
  6. 6.True or false: a glass marble floats on water. (a) True (b) False
  7. 7.⚖️ 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
  8. 8.🛟 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) run around the tub (d) leave water on the floor
  9. 9.⚖️ 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
  10. 10.🔍 Which is the odd one out? (a) an iron nail (b) a steel spoon (c) a coin (d) a dry leaf
  11. 11.True or false: a ball of clay floats on water. (a) False (b) True
  12. 12.🔍 Which is the odd one out? (a) a ball of clay (b) an ice-cream stick (c) a coin (d) a pebble
  13. 13.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
  14. 14.🛟 Which of these floats on water? (a) a ball of clay (b) a pebble (c) an ice-cream stick (d) a coin
  15. 15.🛟 Which of these sinks in water? (a) an ice cube (b) a feather (c) a metal key (d) a cork
  16. 16.True or false: turmeric powder is needed for the float-or-sink test. (a) False (b) True
  17. 17.True or false: a metal key sinks in water. (a) False (b) True
  18. 18.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
  19. 19.🔍 Which is the odd one out? (a) a coin (b) a steel spoon (c) a ball of clay (d) an empty capped bottle
  20. 20.True or false: a pebble sinks in water. (a) True (b) False
  21. 21.⚖️ 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) False (b) True
  22. 22.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to splash everyone (c) to keep children safe (d) to hide the corks
  23. 23.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  24. 24.True or false: small test objects is not needed for the float-or-sink test. (a) False (b) True
  25. 25.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
  26. 26.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) small test objects (c) a balloon (d) a mirror
  27. 27.🛟 Which of these sinks in water? (a) a feather (b) a dry leaf (c) an ice cube (d) a pebble
  28. 28.True or false: a coin floats on water. (a) True (b) False
  29. 29.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the small pebble (c) the big log (d) neither of them
  30. 30.🥚 A fresh egg sinks in plain water. What makes it float? (a) a few ice cubes (b) lots of salt stirred in (c) a little shaking (d) more plain water
  31. 31.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it turns white (c) it still floats (d) it sinks
  32. 32.🔍 Which is the odd one out? (a) a ball of clay (b) an ice cube (c) a piece of thermocol (d) an empty capped bottle
  33. 33.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the kind of clay (b) whether it floats (c) the shape of the clay
  34. 34.🧺 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) a results table (d) turmeric powder
  35. 35.🔍 Which is the odd one out? (a) a ball of clay (b) a metal key (c) an ice cube (d) a steel spoon
  36. 36.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
  37. 37.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a mirror (c) a tub of water (d) a results table
  38. 38.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
  39. 39.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
  40. 40.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) it has a magnet (c) its hollow shape (d) steel is very light

Answer key

  1. yeast
  2. a magnet
  3. True
  4. not needed
  5. False
  6. False
  7. False
  8. wipe up spills at once
  9. True
  10. a dry leaf
  11. False
  12. an ice-cream stick
  13. floats
  14. an ice-cream stick
  15. a metal key
  16. False
  17. True
  18. sinks
  19. an empty capped bottle
  20. True
  21. False
  22. to keep children safe
  23. needed
  24. False
  25. floats
  26. small test objects
  27. a pebble
  28. False
  29. the big log
  30. lots of salt stirred in
  31. it still floats
  32. a ball of clay
  33. the kind of clay
  34. turmeric powder
  35. an ice cube
  36. floats
  37. a mirror
  38. not needed
  39. not needed
  40. its hollow shape

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