Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 958 · 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.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
2. 2.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
3. 3.True or false: a steel spoon floats on water. (a) True (b) False
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) the tub of water (b) the kind of clay (c) the shape of the clay (d) the amount of clay
5. 5.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
6. 6.True or false: a glass marble floats on water. (a) True (b) False
7. 7.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a results table (c) yeast (d) a towel for spills
8. 8.True or false: an ice-cream stick floats on water. (a) True (b) False
9. 9.⚖️ 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
10. 10.⚖️ 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
11. 11.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a little shaking (c) a few ice cubes (d) lots of salt stirred in
12. 12.True or false: a cork floats on water. (a) False (b) True
13. 13.⚖️ 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 keep it the same (c) we change it
14. 14.🛟 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 keep children safe (d) to splash everyone
15. 15.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
16. 16.🔍 Which is the odd one out? (a) a steel spoon (b) an empty capped bottle (c) an ice-cream stick (d) an ice cube
17. 17.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) a towel for spills (d) yeast
18. 18.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
19. 19.⚖️ 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 keep it the same (b) we change it (c) we measure it
20. 20.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
21. 21.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a results table (c) a balloon (d) a tub of water
22. 22.🛟 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
23. 23.🛟 Which of these sinks in water? (a) an ice cube (b) an iron nail (c) a ping-pong ball (d) a cork
24. 24.True or false: a feather floats on water. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) a ping-pong ball (b) an ice-cream stick (c) a cork (d) a coin
26. 26.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it can float (c) it dissolves (d) it sinks faster
27. 27.🛟 Which of these sinks in water? (a) a cork (b) a pebble (c) an ice cube (d) an ice-cream stick
28. 28.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a results table (c) small test objects (d) a balloon
29. 29.⚖️ 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
30. 30.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a mirror (c) a battery cell (d) a tub of water
31. 31.True or false: a ping-pong ball floats on water. (a) False (b) True
32. 32.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) ice is less dense (c) water is sticky (d) ice is very cold
33. 33.⚖️ 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) True (b) False
34. 34.⚖️ 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 change it (b) we measure it (c) we keep it the same
35. 35.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
36. 36.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a magnet (c) a results table (d) a tub of water
37. 37.🔍 Which is the odd one out? (a) a steel spoon (b) a ball of clay (c) an ice-cream stick (d) a glass marble
38. 38.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
39. 39.⚖️ 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
40. 40.True or false: a coin sinks in water. (a) True (b) False

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