Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 874 · 40 questions

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.

1. 1.⚖️ 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
2. 2.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
3. 3.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) small test objects (d) a magnet
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) whether it floats (b) the shape of the clay (c) the kind of clay (d) the amount of clay
5. 5.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a balloon (c) small test objects (d) a tub of water
6. 6.🔍 Which is the odd one out? (a) an empty capped bottle (b) an ice-cream stick (c) a piece of thermocol (d) a metal key
7. 7.🔍 Which is the odd one out? (a) a pebble (b) a coin (c) a steel spoon (d) a piece of thermocol
8. 8.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to splash everyone (c) to keep children safe (d) to win a prize
9. 9.🌊 What pushes a floating cork upward? (a) the water (b) the tub (c) the air above (d) the cork itself
10. 10.🛟 Which of these floats on water? (a) a dry leaf (b) a steel spoon (c) a metal key (d) an iron nail
11. 11.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) sea water is warm (c) its hollow shape (d) it has a magnet
12. 12.🛟 Which of these floats on water? (a) a coin (b) a steel spoon (c) a metal key (d) an ice-cream stick
13. 13.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a balloon (c) a results table (d) a towel for spills
14. 14.True or false: a cork floats on water. (a) False (b) True
15. 15.True or false: a ping-pong ball sinks in water. (a) False (b) True
16. 16.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) yeast (c) small test objects (d) a results table
17. 17.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) wipe up spills at once (c) leave water on the floor (d) play near a deep pond
18. 18.True or false: an empty capped bottle floats on water. (a) False (b) True
19. 19.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a battery cell (b) a tub of water (c) a towel for spills (d) small test objects
20. 20.⚖️ 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 change it (c) we measure it
21. 21.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
22. 22.🧊 Why does an ice cube float on water? (a) ice is very cold (b) ice is magnetic (c) water is sticky (d) ice is less dense
23. 23.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
24. 24.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
25. 25.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a magnet (c) yeast (d) a results table
26. 26.🛟 Which of these floats on water? (a) a cork (b) a metal key (c) a pebble (d) a ball of clay
27. 27.True or false: a steel spoon floats on water. (a) True (b) False
28. 28.⚖️ 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) False (b) True
29. 29.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
30. 30.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
31. 31.🛟 Which of these sinks in water? (a) an ice cube (b) a ping-pong ball (c) an ice-cream stick (d) a steel spoon
32. 32.⚖️ 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 measure it (c) we keep it the same
33. 33.🛟 Which of these floats on water? (a) a coin (b) a steel spoon (c) a piece of thermocol (d) a ball of clay
34. 34.⚖️ 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
35. 35.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a battery cell (c) a balloon (d) a towel for spills
36. 36.🧺 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) turmeric powder (d) a tub of water
37. 37.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a tub of water (c) a balloon (d) a mirror
38. 38.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a battery cell (c) a towel for spills (d) small test objects
39. 39.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is the one thing we change. (a) True (b) False
40. 40.🥚 A fresh egg sinks in plain water. What makes it float? (a) a little shaking (b) more plain water (c) a few ice cubes (d) lots of salt stirred in

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