Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 248 · 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.🔍 Which is the odd one out? (a) a piece of thermocol (b) an ice-cream stick (c) a dry leaf (d) a coin
2. 2.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
3. 3.⚖️ 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) True (b) False
4. 4.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) its hollow shape (c) sea water is warm (d) it has a magnet
5. 5.True or false: a pebble floats on water. (a) True (b) False
6. 6.⚖️ 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
7. 7.⚖️ 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
8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the tub of water (b) the shape of the clay (c) whether it floats
9. 9.⚖️ 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 keep it the same (b) we measure it (c) we change it
10. 10.⚖️ 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
11. 11.⚖️ 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 measure it (c) we change it
12. 12.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) small test objects (c) a mirror (d) a battery cell
13. 13.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
14. 14.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True
15. 15.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
16. 16.⚖️ 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 shape of the clay (c) whether it floats (d) the kind of clay
17. 17.True or false: small test objects is needed for the float-or-sink test. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) a feather (b) an empty capped bottle (c) a ball of clay (d) an ice-cream stick
19. 19.🧺 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
20. 20.🛟 Which of these floats on water? (a) an ice cube (b) a steel spoon (c) a pebble (d) a coin
21. 21.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it can float (b) it sinks faster (c) it turns to stone (d) it dissolves
22. 22.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
23. 23.True or false: a dry leaf sinks in water. (a) False (b) True
24. 24.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) turmeric powder (c) a magnet (d) a tub of water
25. 25.🛟 Which of these sinks in water? (a) an empty capped bottle (b) an ice-cream stick (c) an iron nail (d) a feather
26. 26.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it floats (c) it sinks (d) it bounces up
27. 27.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) small test objects (d) yeast
28. 28.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) leave water on the floor (c) play near a deep pond (d) run around the tub
29. 29.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) yeast (c) a results table (d) a magnet
30. 30.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) small test objects (c) a tub of water (d) a results table
31. 31.🧺 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 results table (d) a mirror
32. 32.⚖️ 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
33. 33.⚖️ 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 shape of the clay (c) the kind of clay
34. 34.⚖️ 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
35. 35.⚖️ 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 shape of the clay (c) the kind of clay (d) the amount of clay
36. 36.🔍 Which is the odd one out? (a) a metal key (b) a feather (c) a piece of thermocol (d) an ice cube
37. 37.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
38. 38.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a towel for spills (c) a battery cell (d) a balloon
39. 39.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
40. 40.🥚 A fresh egg sinks in plain water. What makes it float? (a) a few ice cubes (b) lots of salt stirred in (c) more plain water (d) a little shaking

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