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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 928 · 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) a towel for spills (b) small test objects (c) a mirror (d) a results table
  2. 2.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) leave water on the floor (c) play near a deep pond (d) wipe up spills at once
  3. 3.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
  4. 4.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
  5. 5.⚖️ 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 keep it the same (b) we measure it (c) we change it
  6. 6.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  7. 7.True or false: a piece of thermocol sinks in water. (a) False (b) True
  8. 8.🛟 Which of these floats on water? (a) an ice-cream stick (b) a glass marble (c) an iron nail (d) a pebble
  9. 9.⚖️ 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
  10. 10.🔍 Which is the odd one out? (a) a coin (b) a cork (c) a steel spoon (d) a pebble
  11. 11.🔍 Which is the odd one out? (a) an empty capped bottle (b) a steel spoon (c) a feather (d) an ice cube
  12. 12.True or false: turmeric powder is not needed for the float-or-sink test. (a) False (b) True
  13. 13.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the kind of clay (b) the tub of water (c) the amount of clay (d) whether it floats
  14. 14.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
  15. 15.🛟 Does an empty capped bottle float or sink in water? (a) sinks (b) floats
  16. 16.⚖️ 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 kind of clay
  17. 17.🌊 What pushes a floating cork upward? (a) the air above (b) the tub (c) the water (d) the cork itself
  18. 18.🛟 Does a cork float or sink in water? (a) sinks (b) floats
  19. 19.🔍 Which is the odd one out? (a) an iron nail (b) an ice cube (c) a pebble (d) a metal key
  20. 20.🛟 Which of these floats on water? (a) an iron nail (b) a steel spoon (c) an empty capped bottle (d) a coin
  21. 21.🛟 Does a steel spoon float or sink in water? (a) sinks (b) floats
  22. 22.🔍 Which is the odd one out? (a) a ping-pong ball (b) a cork (c) an iron nail (d) a feather
  23. 23.True or false: a feather sinks in water. (a) False (b) True
  24. 24.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
  25. 25.🔍 Which is the odd one out? (a) a piece of thermocol (b) an ice cube (c) an empty capped bottle (d) a pebble
  26. 26.🧺 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 magnet (d) a towel for spills
  27. 27.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  28. 28.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) a tub of water (c) a results table (d) a towel for spills
  29. 29.⚖️ 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) True (b) False
  30. 30.True or false: a tub of water is not needed for the float-or-sink test. (a) False (b) True
  31. 31.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the amount of clay (b) the shape of the clay (c) whether it floats
  32. 32.⚖️ 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) whether it floats (c) the tub of water (d) the shape of the clay
  33. 33.🧺 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 towel for spills (d) a battery cell
  34. 34.True or false: a glass marble floats on water. (a) False (b) True
  35. 35.True or false: a dry leaf sinks in water. (a) False (b) True
  36. 36.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a balloon (c) a towel for spills (d) small test objects
  37. 37.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we measure it (b) we keep it the same (c) we change it
  38. 38.True or false: a cork floats on water. (a) True (b) False
  39. 39.⚖️ 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 tub of water (c) the shape of the clay
  40. 40.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it floats higher (c) it melts (d) it sinks

Answer key

  1. a mirror
  2. wipe up spills at once
  3. not needed
  4. needed
  5. we keep it the same
  6. False
  7. False
  8. an ice-cream stick
  9. we change it
  10. a cork
  11. a steel spoon
  12. True
  13. whether it floats
  14. not needed
  15. floats
  16. the kind of clay
  17. the water
  18. floats
  19. an ice cube
  20. an empty capped bottle
  21. sinks
  22. an iron nail
  23. False
  24. needed
  25. a pebble
  26. a magnet
  27. needed
  28. turmeric powder
  29. True
  30. False
  31. the amount of clay
  32. the shape of the clay
  33. a battery cell
  34. False
  35. False
  36. a balloon
  37. we measure it
  38. True
  39. the tub of water
  40. it sinks

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