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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 772 · 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.

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

Answer key

  1. a mirror
  2. to keep children safe
  3. False
  4. floats
  5. not needed
  6. a metal key
  7. False
  8. a glass marble
  9. it sinks
  10. wipe up spills at once
  11. needed
  12. an ice cube
  13. the shape of the clay
  14. the water
  15. False
  16. a cork
  17. an empty capped bottle
  18. sinks
  19. a tub of water
  20. floats
  21. True
  22. a results table
  23. True
  24. False
  25. a towel for spills
  26. yeast
  27. True
  28. False
  29. True
  30. False
  31. False
  32. a dry leaf
  33. it sinks
  34. sinks
  35. we measure it
  36. needed
  37. False
  38. a battery cell
  39. False
  40. the big log

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