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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 785 · 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 is not needed for the float-or-sink test? (a) a towel for spills (b) a tub of water (c) a balloon (d) a results table
  2. 2.🔍 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
  3. 3.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
  4. 4.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
  5. 5.🛟 Does a piece of thermocol float or sink in water? (a) floats (b) sinks
  6. 6.True or false: a ping-pong ball sinks in water. (a) True (b) False
  7. 7.🧺 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 mirror (d) a towel for spills
  8. 8.True or false: a battery cell is not needed for the float-or-sink test. (a) True (b) False
  9. 9.🌊 What pushes a floating cork upward? (a) the cork itself (b) the tub (c) the water (d) the air above
  10. 10.🔍 Which is the odd one out? (a) an iron nail (b) a glass marble (c) a steel spoon (d) a dry leaf
  11. 11.⚖️ 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
  12. 12.True or false: a feather floats on water. (a) True (b) False
  13. 13.🔍 Which is the odd one out? (a) a ping-pong ball (b) a piece of thermocol (c) an empty capped bottle (d) a pebble
  14. 14.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) its hollow shape (c) it has a magnet (d) steel is very light
  15. 15.🔍 Which is the odd one out? (a) a metal key (b) an ice cube (c) a glass marble (d) a coin
  16. 16.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) small test objects (c) yeast (d) a towel for spills
  17. 17.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
  18. 18.🔍 Which is the odd one out? (a) an ice-cream stick (b) an ice cube (c) a metal key (d) a ping-pong ball
  19. 19.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  20. 20.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is kept the same. (a) False (b) True
  21. 21.🛟 Does a coin float or sink in water? (a) floats (b) sinks
  22. 22.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a piece of thermocol (c) an ice cube (d) a pebble
  23. 23.🔮 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
  24. 24.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a balloon (c) turmeric powder (d) a tub of water
  25. 25.🛟 Which of these floats on water? (a) a coin (b) a steel spoon (c) an ice-cream stick (d) an iron nail
  26. 26.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to keep children safe (c) to hide the corks (d) to win a prize
  27. 27.True or false: a results table is needed for the float-or-sink test. (a) False (b) True
  28. 28.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) leave water on the floor (c) run around the tub (d) play near a deep pond
  29. 29.⚖️ 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
  30. 30.🛟 Which of these floats on water? (a) an ice cube (b) a pebble (c) a glass marble (d) a steel spoon
  31. 31.🛟 Which of these floats on water? (a) a metal key (b) a coin (c) a ping-pong ball (d) an iron nail
  32. 32.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) a towel for spills (c) small test objects (d) a results table
  33. 33.⚖️ 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
  34. 34.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
  35. 35.⚖️ 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) True (b) False
  36. 36.🛟 Which of these sinks in water? (a) a cork (b) a ball of clay (c) a ping-pong ball (d) an empty capped bottle
  37. 37.🛟 Does a cork float or sink in water? (a) floats (b) sinks
  38. 38.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
  39. 39.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) the small pebble (c) neither of them (d) both of them
  40. 40.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a balloon (c) turmeric powder (d) a towel for spills

Answer key

  1. a balloon
  2. it sinks
  3. floats
  4. needed
  5. floats
  6. False
  7. a mirror
  8. True
  9. the water
  10. a dry leaf
  11. the kind of clay
  12. True
  13. a pebble
  14. its hollow shape
  15. an ice cube
  16. yeast
  17. sinks
  18. a metal key
  19. False
  20. True
  21. sinks
  22. a pebble
  23. it sinks
  24. a tub of water
  25. an ice-cream stick
  26. to keep children safe
  27. True
  28. wipe up spills at once
  29. True
  30. an ice cube
  31. a ping-pong ball
  32. a balloon
  33. False
  34. not needed
  35. False
  36. a ball of clay
  37. floats
  38. needed
  39. the big log
  40. a towel for spills

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