← Floating and sinking lesson New set →

Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 111 · 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) yeast (b) a results table (c) a tub of water (d) small test objects
  2. 2.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a balloon (c) a tub of water (d) a magnet
  3. 3.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False
  4. 4.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the big log (c) the small pebble (d) neither of them
  5. 5.🔮 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
  6. 6.True or false: a balloon is not needed for the float-or-sink test. (a) False (b) True
  7. 7.True or false: a ball of clay floats on water. (a) True (b) False
  8. 8.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
  9. 9.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is kept the same. (a) False (b) True
  10. 10.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
  11. 11.⚖️ 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 measure it (b) we change it (c) we keep it the same
  12. 12.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
  13. 13.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is kept the same. (a) True (b) False
  14. 14.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) a mirror (d) small test objects
  15. 15.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
  16. 16.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
  17. 17.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a tub of water (c) small test objects (d) turmeric powder
  18. 18.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
  19. 19.🧺 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
  20. 20.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
  21. 21.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
  22. 22.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
  23. 23.True or false: a tub of water is not needed for the float-or-sink test. (a) True (b) False
  24. 24.🔮 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
  25. 25.🛟 Does a cork float or sink in water? (a) sinks (b) floats
  26. 26.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
  27. 27.🛟 Which of these floats on water? (a) a steel spoon (b) a coin (c) a ping-pong ball (d) a glass marble
  28. 28.🔍 Which is the odd one out? (a) a metal key (b) a glass marble (c) an ice-cream stick (d) a coin
  29. 29.⚖️ 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
  30. 30.🔍 Which is the odd one out? (a) a metal key (b) an iron nail (c) a glass marble (d) a dry leaf
  31. 31.🔍 Which is the odd one out? (a) a metal key (b) an ice cube (c) a pebble (d) a ball of clay
  32. 32.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) wipe up spills at once (c) play near a deep pond (d) run around the tub
  33. 33.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a mirror (c) a tub of water (d) a towel for spills
  34. 34.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) a towel for spills (c) a results table (d) small test objects
  35. 35.⚖️ 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 keep it the same (c) we change it
  36. 36.⚖️ 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
  37. 37.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a ping-pong ball (c) an ice cube (d) a steel spoon
  38. 38.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
  39. 39.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a tub of water (c) small test objects (d) a balloon
  40. 40.🔍 Which is the odd one out? (a) a piece of thermocol (b) a steel spoon (c) a ball of clay (d) a coin

Answer key

  1. yeast
  2. a tub of water
  3. False
  4. the big log
  5. it still floats
  6. True
  7. False
  8. not needed
  9. True
  10. needed
  11. we keep it the same
  12. not needed
  13. False
  14. a mirror
  15. not needed
  16. True
  17. turmeric powder
  18. False
  19. a magnet
  20. not needed
  21. floats
  22. floats
  23. False
  24. it sinks
  25. floats
  26. sinks
  27. a ping-pong ball
  28. an ice-cream stick
  29. False
  30. a dry leaf
  31. an ice cube
  32. wipe up spills at once
  33. a mirror
  34. a balloon
  35. we change it
  36. True
  37. a steel spoon
  38. False
  39. a balloon
  40. a piece of thermocol

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids