← Floating and sinking lesson New set →

Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 596 · 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.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
  2. 2.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) turmeric powder (b) a results table (c) a towel for spills (d) small test objects
  3. 3.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) small test objects (c) a battery cell (d) a results table
  4. 4.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) more plain water (c) a little shaking (d) a few ice cubes
  5. 5.⚖️ 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 measure it (b) we keep it the same (c) we change it
  6. 6.⚖️ 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
  7. 7.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a battery cell (c) a towel for spills (d) a tub of water
  8. 8.🧺 Do we need a balloon 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? What do we do with “the amount of clay”? (a) we measure it (b) we keep it the same (c) we change it
  10. 10.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
  11. 11.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
  12. 12.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False
  13. 13.🔍 Which is the odd one out? (a) a piece of thermocol (b) an ice-cream stick (c) an ice cube (d) a metal key
  14. 14.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
  15. 15.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
  16. 16.🛟 Does a coin float or sink in water? (a) sinks (b) floats
  17. 17.True or false: an ice cube sinks in water. (a) False (b) True
  18. 18.⚖️ 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
  19. 19.True or false: a tub of water is not needed for the float-or-sink test. (a) False (b) True
  20. 20.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) whether it floats (b) the shape of the clay (c) the tub of water (d) the amount of clay
  21. 21.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
  22. 22.🧺 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) a tub of water (d) a results table
  23. 23.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a tub of water (c) a results table (d) turmeric powder
  24. 24.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
  25. 25.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the amount of clay (b) the kind of clay (c) the shape of the clay (d) whether it floats
  26. 26.🌊 What pushes a floating cork upward? (a) the water (b) the air above (c) the cork itself (d) the tub
  27. 27.⚖️ 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) True (b) False
  28. 28.🧺 Which of these is needed for the float-or-sink test? (a) a tub of water (b) a battery cell (c) a mirror (d) turmeric powder
  29. 29.⚖️ 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 measure it (b) we change it (c) we keep it the same
  30. 30.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) yeast (c) a balloon (d) a mirror
  31. 31.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
  32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is kept the same. (a) True (b) False
  33. 33.⚖️ 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 kind of clay
  34. 34.🧺 Which of these is not needed for the float-or-sink test? (a) a mirror (b) a results table (c) a tub of water (d) small test objects
  35. 35.True or false: a cork sinks in water. (a) True (b) False
  36. 36.🧺 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 magnet (d) a tub of water
  37. 37.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
  38. 38.🛟 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 win a prize (d) to splash everyone
  39. 39.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is very cold (c) ice is less dense (d) ice is magnetic
  40. 40.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a results table (c) small test objects (d) yeast

Answer key

  1. floats
  2. turmeric powder
  3. a battery cell
  4. lots of salt stirred in
  5. we keep it the same
  6. the tub of water
  7. a battery cell
  8. not needed
  9. we keep it the same
  10. True
  11. floats
  12. False
  13. a metal key
  14. needed
  15. not needed
  16. sinks
  17. False
  18. False
  19. False
  20. the shape of the clay
  21. floats
  22. a balloon
  23. turmeric powder
  24. True
  25. whether it floats
  26. the water
  27. True
  28. a tub of water
  29. we keep it the same
  30. a results table
  31. needed
  32. True
  33. the kind of clay
  34. a mirror
  35. False
  36. a magnet
  37. not needed
  38. to keep children safe
  39. ice is less dense
  40. yeast

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