Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 80 · 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.True or false: a steel spoon sinks in water. (a) False (b) True
2. 2.True or false: a dry leaf sinks in water. (a) False (b) True
3. 3.🛟 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
4. 4.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it floats higher (b) it turns blue (c) it sinks (d) it melts
5. 5.⚖️ 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) whether it floats (d) the shape of the clay
6. 6.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a towel for spills (c) small test objects (d) a mirror
7. 7.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
8. 8.⚖️ 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 change it (c) we keep it the same
9. 9.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
10. 10.⚖️ 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
11. 11.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is magnetic (c) ice is less dense (d) ice is very cold
12. 12.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) it has a magnet (c) sea water is warm (d) steel is very light
13. 13.True or false: a balloon is not needed for the float-or-sink test. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) an ice cube (b) an iron nail (c) a piece of thermocol (d) a cork
15. 15.🔍 Which is the odd one out? (a) a ball of clay (b) a piece of thermocol (c) a pebble (d) a steel spoon
16. 16.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a tub of water (c) a towel for spills (d) a balloon
17. 17.⚖️ 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
18. 18.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) a battery cell (d) a results table
19. 19.🛟 Does a coin float or sink in water? (a) sinks (b) floats
20. 20.True or false: a balloon is needed for the float-or-sink test. (a) False (b) True
21. 21.🧺 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
22. 22.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) a mirror (c) a battery cell (d) a magnet
23. 23.⚖️ 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 kind of clay (c) the shape of the clay
24. 24.True or false: a metal key sinks in water. (a) True (b) False
25. 25.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
26. 26.🧺 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) a battery cell (d) small test objects
27. 27.True or false: an iron nail sinks in water. (a) True (b) False
28. 28.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
29. 29.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
30. 30.🌊 What pushes a floating cork upward? (a) the water (b) the cork itself (c) the air above (d) the tub
31. 31.⚖️ 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
32. 32.True or false: a towel for spills is needed for the float-or-sink test. (a) True (b) False
33. 33.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) small test objects (c) a tub of water (d) a towel for spills
34. 34.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False
35. 35.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a magnet (b) a towel for spills (c) small test objects (d) a tub of water
36. 36.🛟 Does an iron nail float or sink in water? (a) sinks (b) floats
37. 37.⚖️ 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) the amount of clay (c) whether it floats (d) the shape of the clay
38. 38.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
39. 39.True or false: a mirror is not needed for the float-or-sink test. (a) False (b) True
40. 40.🛟 Does a pebble float or sink in water? (a) sinks (b) floats

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