← Floating and sinking lesson New set →

Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 464 · 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 tub of water (b) small test objects (c) a balloon (d) a towel for spills
  2. 2.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the shape of the clay (b) the amount of clay (c) whether it floats (d) the tub of water
  3. 3.🛟 Which of these sinks in water? (a) a glass marble (b) a ping-pong ball (c) a cork (d) a piece of thermocol
  4. 4.⚖️ 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 tub of water (b) whether it floats (c) the amount of clay (d) the shape of the clay
  5. 5.⚖️ 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
  6. 6.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a towel for spills (c) a magnet (d) a tub of water
  7. 7.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
  8. 8.🧺 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) a tub of water (d) turmeric powder
  9. 9.🔍 Which is the odd one out? (a) a metal key (b) a feather (c) an ice cube (d) a ping-pong ball
  10. 10.🔍 Which is the odd one out? (a) an empty capped bottle (b) a glass marble (c) a cork (d) a ping-pong ball
  11. 11.🔍 Which is the odd one out? (a) an ice cube (b) an iron nail (c) a steel spoon (d) a coin
  12. 12.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
  13. 13.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
  14. 14.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a balloon (c) a tub of water (d) a battery cell
  15. 15.⚖️ 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
  16. 16.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a little shaking (c) lots of salt stirred in (d) a few ice cubes
  17. 17.⚖️ 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
  18. 18.🔍 Which is the odd one out? (a) a ping-pong ball (b) a pebble (c) an ice cube (d) a feather
  19. 19.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
  20. 20.True or false: an ice cube floats on water. (a) False (b) True
  21. 21.⚖️ 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
  22. 22.🛟 Which of these sinks in water? (a) an ice cube (b) a dry leaf (c) a ball of clay (d) a cork
  23. 23.True or false: a results table is needed for the float-or-sink test. (a) True (b) False
  24. 24.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
  25. 25.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
  26. 26.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it sinks (c) it floats higher (d) it turns blue
  27. 27.⚖️ 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
  28. 28.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it turns white (c) it dissolves (d) it still floats
  29. 29.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
  30. 30.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) steel is very light (c) sea water is warm (d) its hollow shape
  31. 31.True or false: a dry leaf floats on water. (a) False (b) True
  32. 32.🔍 Which is the odd one out? (a) a pebble (b) a steel spoon (c) a glass marble (d) an ice-cream stick
  33. 33.True or false: a ping-pong ball floats on water. (a) True (b) False
  34. 34.🔍 Which is the odd one out? (a) an ice-cream stick (b) an ice cube (c) a dry leaf (d) an iron nail
  35. 35.🛟 Does a cork float or sink in water? (a) sinks (b) floats
  36. 36.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it can float (c) it dissolves (d) it sinks faster
  37. 37.🔍 Which is the odd one out? (a) an empty capped bottle (b) a feather (c) a cork (d) a ball of clay
  38. 38.True or false: a cork floats on water. (a) False (b) True
  39. 39.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
  40. 40.🌊 What pushes a floating cork upward? (a) the water (b) the tub (c) the cork itself (d) the air above

Answer key

  1. a balloon
  2. whether it floats
  3. a glass marble
  4. the shape of the clay
  5. we measure it
  6. a magnet
  7. False
  8. turmeric powder
  9. a metal key
  10. a glass marble
  11. an ice cube
  12. not needed
  13. sinks
  14. a tub of water
  15. False
  16. lots of salt stirred in
  17. True
  18. a pebble
  19. True
  20. True
  21. False
  22. a ball of clay
  23. True
  24. floats
  25. needed
  26. it sinks
  27. False
  28. it still floats
  29. True
  30. its hollow shape
  31. True
  32. an ice-cream stick
  33. True
  34. an iron nail
  35. floats
  36. it can float
  37. a ball of clay
  38. True
  39. False
  40. the water

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