Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 826 · 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 balloon is needed for the float-or-sink test. (a) False (b) True
2. 2.True or false: a feather floats on water. (a) True (b) False
3. 3.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) run around the tub (c) wipe up spills at once (d) leave water on the floor
4. 4.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
5. 5.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a magnet (b) a tub of water (c) a results table (d) a towel for spills
6. 6.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a balloon (c) a tub of water (d) small test objects
7. 7.🛟 Does a ping-pong ball float or sink in water? (a) sinks (b) floats
8. 8.🔮 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 dissolves (d) it turns to stone
9. 9.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
10. 10.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
11. 11.⚖️ 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
12. 12.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to win a prize (c) to hide the corks (d) to keep children safe
13. 13.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
14. 14.🧺 Which of these is needed for the float-or-sink test? (a) a tub of water (b) a balloon (c) a magnet (d) yeast
15. 15.⚖️ 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
16. 16.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
17. 17.⚖️ 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
18. 18.🛟 Which of these floats on water? (a) a glass marble (b) an iron nail (c) a steel spoon (d) a piece of thermocol
19. 19.⚖️ 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) False (b) True
20. 20.🔍 Which is the odd one out? (a) a ball of clay (b) a glass marble (c) a cork (d) a pebble
21. 21.🔍 Which is the odd one out? (a) a pebble (b) an iron nail (c) a glass marble (d) an empty capped bottle
22. 22.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the kind of clay (b) the shape of the clay (c) whether it floats (d) the amount of clay
23. 23.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
24. 24.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it sinks (c) it still floats (d) it dissolves
25. 25.⚖️ 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
26. 26.True or false: a ball of clay sinks in water. (a) True (b) False
27. 27.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
28. 28.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) its hollow shape (c) it has a magnet (d) steel is very light
29. 29.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it floats (c) it bounces up (d) it sinks
30. 30.True or false: a mirror is needed for the float-or-sink test. (a) False (b) True
31. 31.⚖️ 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) the kind of clay (c) whether it floats
32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is kept the same. (a) True (b) False
33. 33.🔍 Which is the odd one out? (a) a dry leaf (b) an ice cube (c) a glass marble (d) an empty capped bottle
34. 34.True or false: an ice-cream stick sinks in water. (a) True (b) False
35. 35.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
36. 36.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
37. 37.⚖️ 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
38. 38.🌊 What pushes a floating cork upward? (a) the air above (b) the water (c) the cork itself (d) the tub
39. 39.🛟 Which of these floats on water? (a) a ball of clay (b) an iron nail (c) a steel spoon (d) a ping-pong ball
40. 40.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks

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