Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 893 · 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.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it floats higher (c) it sinks (d) it turns blue
2. 2.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
3. 3.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
4. 4.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) turmeric powder (c) a tub of water (d) small test objects
5. 5.🔍 Which is the odd one out? (a) an empty capped bottle (b) a piece of thermocol (c) a dry leaf (d) a glass marble
6. 6.🧊 Why does an ice cube float on water? (a) ice is very cold (b) water is sticky (c) ice is magnetic (d) ice is less dense
7. 7.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a balloon (c) small test objects (d) a towel for spills
8. 8.⚖️ 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
9. 9.True or false: yeast is 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? 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
11. 11.True or false: a cork sinks in water. (a) False (b) True
12. 12.⚖️ 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) whether it floats (c) the shape of the clay (d) the kind of clay
13. 13.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is the one thing we change. (a) False (b) True
14. 14.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) a tub of water (d) yeast
15. 15.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
16. 16.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a balloon (c) a towel for spills (d) a magnet
17. 17.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) run around the tub (c) wipe up spills at once (d) play near a deep pond
18. 18.True or false: yeast is not needed for the float-or-sink test. (a) True (b) False
19. 19.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a tub of water (c) yeast (d) a towel for spills
20. 20.🛟 Which of these sinks in water? (a) an empty capped bottle (b) an ice-cream stick (c) a feather (d) a ball of clay
21. 21.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
22. 22.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
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 tub of water (c) the shape of the clay
24. 24.⚖️ 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 keep it the same (c) we measure it
25. 25.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
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 sinks faster (c) it dissolves (d) it can float
27. 27.⚖️ 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
28. 28.⚖️ 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
29. 29.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a mirror (c) a tub of water (d) small test objects
30. 30.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a magnet (c) a towel for spills (d) small test objects
31. 31.🛟 Does a coin float or sink in water? (a) floats (b) sinks
32. 32.True or false: a towel for spills is needed for the float-or-sink test. (a) True (b) False
33. 33.⚖️ 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) True (b) False
34. 34.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
35. 35.🔍 Which is the odd one out? (a) a metal key (b) a cork (c) an ice cube (d) an ice-cream stick
36. 36.True or false: small test objects is 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? True or false: the amount of clay is kept the same. (a) False (b) True
38. 38.🛟 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
39. 39.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) it has a magnet (c) steel is very light (d) sea water is warm
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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