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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 324 · 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) play near a deep pond (c) run around the tub (d) wipe up spills at once
  2. 2.⚖️ 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 amount of clay
  3. 3.🧺 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
  4. 4.True or false: a piece of thermocol sinks in water. (a) False (b) True
  5. 5.🛟 Which of these sinks in water? (a) a dry leaf (b) an ice-cream stick (c) an iron nail (d) a ping-pong ball
  6. 6.True or false: a pebble sinks in water. (a) True (b) False
  7. 7.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is the one thing we change. (a) False (b) True
  8. 8.True or false: a results table is needed for the float-or-sink test. (a) True (b) False
  9. 9.True or false: a coin floats on water. (a) False (b) True
  10. 10.🔍 Which is the odd one out? (a) an iron nail (b) an ice cube (c) a dry leaf (d) a ping-pong ball
  11. 11.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a magnet (c) yeast (d) a towel for spills
  12. 12.🧺 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) a battery cell
  13. 13.⚖️ 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 tub of water
  14. 14.True or false: a steel spoon floats on water. (a) False (b) True
  15. 15.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is what we measure. (a) True (b) False
  16. 16.🛟 Which of these floats on water? (a) a steel spoon (b) a coin (c) a pebble (d) an empty capped bottle
  17. 17.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
  18. 18.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
  19. 19.True or false: a battery cell is not needed for the float-or-sink test. (a) False (b) True
  20. 20.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a mirror (c) a results table (d) a tub of water
  21. 21.⚖️ 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
  22. 22.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
  23. 23.True or false: an ice cube sinks in water. (a) False (b) True
  24. 24.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
  25. 25.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) yeast (c) a results table (d) small test objects
  26. 26.🛟 Which of these floats on water? (a) a coin (b) a ping-pong ball (c) a glass marble (d) a steel spoon
  27. 27.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  28. 28.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a balloon (c) small test objects (d) a tub of water
  29. 29.⚖️ 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) True (b) False
  30. 30.⚖️ 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
  31. 31.🌊 What pushes a floating cork upward? (a) the water (b) the cork itself (c) the air above (d) the tub
  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) the shape of the clay (c) the tub of water (d) whether it floats
  33. 33.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) both of them (c) the big log (d) the small pebble
  34. 34.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) turmeric powder (b) a towel for spills (c) a tub of water (d) small test objects
  35. 35.True or false: a ping-pong ball sinks in water. (a) True (b) False
  36. 36.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to win a prize (c) to splash everyone (d) to hide the corks
  37. 37.True or false: a cork sinks in water. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) a dry leaf (b) a ping-pong ball (c) a metal key (d) a feather
  39. 39.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is what we measure. (a) True (b) False
  40. 40.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) yeast (c) a balloon (d) a results table

Answer key

  1. wipe up spills at once
  2. the amount of clay
  3. a magnet
  4. False
  5. an iron nail
  6. True
  7. True
  8. True
  9. False
  10. an iron nail
  11. a towel for spills
  12. a battery cell
  13. the tub of water
  14. False
  15. False
  16. an empty capped bottle
  17. floats
  18. needed
  19. True
  20. a mirror
  21. True
  22. not needed
  23. False
  24. needed
  25. yeast
  26. a ping-pong ball
  27. needed
  28. a balloon
  29. False
  30. False
  31. the water
  32. the shape of the clay
  33. the big log
  34. turmeric powder
  35. False
  36. to keep children safe
  37. False
  38. a metal key
  39. False
  40. a results table

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