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Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 699 · 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.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
  2. 2.⚖️ 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
  3. 3.🔍 Which is the odd one out? (a) a feather (b) an empty capped bottle (c) an ice cube (d) a ball of clay
  4. 4.⚖️ 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) False (b) True
  5. 5.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a magnet (c) turmeric powder (d) a towel for spills
  6. 6.🔍 Which is the odd one out? (a) a steel spoon (b) a metal key (c) an empty capped bottle (d) an iron nail
  7. 7.🧺 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 mirror (d) a results table
  8. 8.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
  9. 9.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a magnet (c) turmeric powder (d) a tub of water
  10. 10.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
  11. 11.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it melts (c) it floats higher (d) it sinks
  12. 12.⚖️ 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 keep it the same (c) we measure it
  13. 13.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
  14. 14.⚖️ 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
  15. 15.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) water is sticky (c) ice is less dense (d) ice is very cold
  16. 16.🛟 Which of these sinks in water? (a) a dry leaf (b) a ball of clay (c) an empty capped bottle (d) a cork
  17. 17.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
  18. 18.⚖️ 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 amount of clay (c) whether it floats (d) the shape of the clay
  19. 19.⚖️ 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
  20. 20.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
  21. 21.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) neither of them (c) both of them (d) the big log
  22. 22.True or false: a results table is needed for the float-or-sink test. (a) False (b) True
  23. 23.⚖️ 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
  24. 24.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the kind of clay”? (a) we keep it the same (b) we measure it (c) we change it
  25. 25.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a towel for spills (c) yeast (d) a tub of water
  26. 26.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
  27. 27.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to keep children safe (c) to splash everyone (d) to win a prize
  28. 28.🔮 A cork floats in tap water. What happens in very salty water? (a) it still floats (b) it sinks (c) it dissolves (d) it turns white
  29. 29.⚖️ 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) False (b) True
  30. 30.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a magnet (c) a tub of water (d) small test objects
  31. 31.🔍 Which is the odd one out? (a) a metal key (b) an ice-cream stick (c) an iron nail (d) a steel spoon
  32. 32.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) small test objects (c) a magnet (d) a balloon
  33. 33.🛟 Which of these sinks in water? (a) an ice cube (b) a feather (c) a steel spoon (d) an empty capped bottle
  34. 34.🛟 Which of these floats on water? (a) an iron nail (b) a coin (c) a feather (d) a glass marble
  35. 35.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
  36. 36.True or false: an empty capped bottle sinks in water. (a) True (b) False
  37. 37.⚖️ 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 keep it the same (b) we measure it (c) we change it
  38. 38.⚖️ 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 measure it (b) we change it (c) we keep it the same
  39. 39.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) run around the tub (c) wipe up spills at once (d) play near a deep pond
  40. 40.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed

Answer key

  1. False
  2. the tub of water
  3. a ball of clay
  4. False
  5. a towel for spills
  6. an empty capped bottle
  7. a mirror
  8. not needed
  9. a tub of water
  10. floats
  11. it sinks
  12. we keep it the same
  13. False
  14. False
  15. ice is less dense
  16. a ball of clay
  17. True
  18. whether it floats
  19. False
  20. needed
  21. the big log
  22. True
  23. False
  24. we keep it the same
  25. yeast
  26. not needed
  27. to keep children safe
  28. it still floats
  29. False
  30. a magnet
  31. an ice-cream stick
  32. small test objects
  33. a steel spoon
  34. a feather
  35. sinks
  36. False
  37. we keep it the same
  38. we change it
  39. wipe up spills at once
  40. not needed

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