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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 764 · 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.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  2. 2.🔍 Which is the odd one out? (a) a piece of thermocol (b) a coin (c) a steel spoon (d) an iron nail
  3. 3.🛟 Does a ping-pong ball float or sink in water? (a) sinks (b) floats
  4. 4.🛟 Which of these floats on water? (a) an ice-cream stick (b) an iron nail (c) a pebble (d) a steel spoon
  5. 5.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) a magnet (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 kept the same. (a) True (b) False
  7. 7.True or false: small test objects is needed for the float-or-sink test. (a) True (b) False
  8. 8.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a magnet (c) yeast (d) a towel for spills
  9. 9.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a balloon (c) a tub of water (d) small test objects
  10. 10.🛟 Which of these sinks in water? (a) a piece of thermocol (b) a ping-pong ball (c) a metal key (d) a feather
  11. 11.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks
  12. 12.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it dissolves (c) it floats (d) it sinks
  13. 13.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
  14. 14.True or false: yeast is not needed for the float-or-sink test. (a) True (b) False
  15. 15.🛟 Which of these floats on water? (a) a ball of clay (b) a metal key (c) an empty capped bottle (d) a coin
  16. 16.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
  17. 17.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it sinks (b) it melts (c) it floats higher (d) it turns blue
  18. 18.⚖️ 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 tub of water (b) the kind of clay (c) the amount of clay (d) the shape of the clay
  19. 19.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
  20. 20.⚖️ 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 change it (b) we measure it (c) we keep it the same
  21. 21.🔍 Which is the odd one out? (a) a metal key (b) a ping-pong ball (c) an ice-cream stick (d) a feather
  22. 22.True or false: a cork floats on water. (a) True (b) False
  23. 23.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the tub of water”? (a) we measure it (b) we keep it the same (c) we change it
  24. 24.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
  25. 25.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) small test objects (c) a mirror (d) a towel for spills
  26. 26.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the tub of water (b) whether it floats (c) the shape of the clay
  27. 27.🔍 Which is the odd one out? (a) an ice cube (b) a piece of thermocol (c) a coin (d) an empty capped bottle
  28. 28.⚖️ 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
  29. 29.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it dissolves (c) it still floats (d) it turns white
  30. 30.⚖️ 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) whether it floats (c) the amount of clay (d) the kind of clay
  31. 31.🚢 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
  32. 32.True or false: a piece of thermocol floats on water. (a) False (b) True
  33. 33.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
  34. 34.🔍 Which is the odd one out? (a) a metal key (b) a ball of clay (c) a ping-pong ball (d) a steel spoon
  35. 35.🧺 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) turmeric powder
  36. 36.🔮 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
  37. 37.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
  38. 38.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
  39. 39.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
  40. 40.🛟 Does an iron nail float or sink in water? (a) sinks (b) floats

Answer key

  1. needed
  2. a piece of thermocol
  3. floats
  4. an ice-cream stick
  5. small test objects
  6. True
  7. True
  8. a towel for spills
  9. a balloon
  10. a metal key
  11. floats
  12. it sinks
  13. not needed
  14. True
  15. an empty capped bottle
  16. not needed
  17. it sinks
  18. the shape of the clay
  19. floats
  20. we keep it the same
  21. a metal key
  22. True
  23. we keep it the same
  24. False
  25. a mirror
  26. the tub of water
  27. a coin
  28. True
  29. it still floats
  30. whether it floats
  31. its hollow shape
  32. True
  33. sinks
  34. a ping-pong ball
  35. turmeric powder
  36. the big log
  37. not needed
  38. needed
  39. needed
  40. sinks

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