Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 616 · 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 of these is needed for the float-or-sink test? (a) yeast (b) small test objects (c) a magnet (d) a balloon
2. 2.🔍 Which is the odd one out? (a) a ping-pong ball (b) an ice-cream stick (c) a glass marble (d) an ice cube
3. 3.🧺 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
4. 4.🛟 Which of these sinks in water? (a) a ping-pong ball (b) a steel spoon (c) an ice-cream stick (d) an empty capped bottle
5. 5.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) play near a deep pond (c) wipe up spills at once (d) leave water on the floor
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 kind of clay (c) the shape of the clay
7. 7.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
8. 8.🔮 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
9. 9.True or false: a dry leaf floats on water. (a) True (b) False
10. 10.⚖️ 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 kind of clay (b) whether it floats (c) the shape of the clay (d) the amount of clay
11. 11.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
12. 12.🛟 Which of these floats on water? (a) a pebble (b) a glass marble (c) a steel spoon (d) a cork
13. 13.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the tub of water (b) the amount of clay (c) whether it floats (d) the kind of clay
14. 14.🔍 Which is the odd one out? (a) a dry leaf (b) an ice-cream stick (c) a pebble (d) a cork
15. 15.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
16. 16.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to win a prize (c) to splash everyone (d) to keep children safe
17. 17.True or false: a dry leaf sinks in water. (a) False (b) True
18. 18.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a towel for spills (c) a battery cell (d) a mirror
19. 19.🛟 Which of these sinks in water? (a) a glass marble (b) an empty capped bottle (c) a dry leaf (d) a piece of thermocol
20. 20.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
21. 21.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the shape of the clay”? (a) we change it (b) we keep it the same (c) we measure it
22. 22.⚖️ 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
23. 23.True or false: a ball of clay floats on water. (a) False (b) True
24. 24.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
25. 25.⚖️ 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
26. 26.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
27. 27.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a results table (c) a towel for spills (d) turmeric powder
28. 28.⚖️ 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
29. 29.⚖️ 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 change it (c) we keep it the same
30. 30.🔍 Which is the odd one out? (a) a steel spoon (b) an iron nail (c) an empty capped bottle (d) a coin
31. 31.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a balloon (c) small test objects (d) a towel for spills
32. 32.🧺 Which of these is not needed for the float-or-sink test? (a) a mirror (b) small test objects (c) a tub of water (d) a results table
33. 33.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
34. 34.True or false: a pebble floats on water. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) a ball of clay (b) a feather (c) a piece of thermocol (d) a dry leaf
36. 36.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we measure it (b) we change it (c) we keep it the same
37. 37.🛟 Which of these sinks in water? (a) a coin (b) an ice-cream stick (c) a feather (d) an empty capped bottle
38. 38.🔍 Which is the odd one out? (a) an empty capped bottle (b) a piece of thermocol (c) a dry leaf (d) a steel spoon
39. 39.🧺 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 balloon
40. 40.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False

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