Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 371 · 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 towel for spills is needed for the float-or-sink test. (a) False (b) True
2. 2.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
3. 3.⚖️ 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 amount of clay (d) the shape of the clay
4. 4.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
5. 5.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
6. 6.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) a few ice cubes (c) more plain water (d) a little shaking
7. 7.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it sinks faster (b) it turns to stone (c) it can float (d) it dissolves
8. 8.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) play near a deep pond (c) leave water on the floor (d) run around the tub
9. 9.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it dissolves (c) it still floats (d) it turns white
10. 10.🧺 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 tub of water (d) a magnet
11. 11.⚖️ 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
12. 12.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) small test objects (c) a mirror (d) a magnet
13. 13.⚖️ 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 keep it the same (b) we change it (c) we measure it
14. 14.True or false: small test objects is not needed for the float-or-sink test. (a) False (b) True
15. 15.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a mirror (c) a results table (d) small test objects
16. 16.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it floats higher (b) it melts (c) it turns blue (d) it sinks
17. 17.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is the one thing we change. (a) False (b) True
18. 18.True or false: a steel spoon sinks in water. (a) False (b) True
19. 19.⚖️ 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
20. 20.⚖️ 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
21. 21.True or false: an iron nail sinks in water. (a) False (b) True
22. 22.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
23. 23.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) steel is very light (c) it has a magnet (d) sea water is warm
24. 24.True or false: a ball of clay floats on water. (a) False (b) True
25. 25.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
26. 26.🔍 Which is the odd one out? (a) a coin (b) an ice cube (c) a glass marble (d) a ball of clay
27. 27.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a balloon (c) a tub of water (d) a results table
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 measure it (b) we change it (c) we keep it the same
29. 29.⚖️ 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) the tub of water (d) whether it floats
30. 30.🛟 Which of these floats on water? (a) a steel spoon (b) an empty capped bottle (c) a metal key (d) a ball of clay
31. 31.⚖️ 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 measure it (b) we change it (c) we keep it the same
32. 32.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
33. 33.🔍 Which is the odd one out? (a) a ping-pong ball (b) a steel spoon (c) an ice cube (d) a piece of thermocol
34. 34.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) turmeric powder (c) a mirror (d) a results table
35. 35.🔍 Which is the odd one out? (a) an ice-cream stick (b) a dry leaf (c) an iron nail (d) a cork
36. 36.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a towel for spills (c) a magnet (d) a results table
37. 37.🔍 Which is the odd one out? (a) a piece of thermocol (b) a steel spoon (c) an iron nail (d) a coin
38. 38.🛟 Which of these sinks in water? (a) an ice cube (b) an iron nail (c) a cork (d) a feather
39. 39.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) turmeric powder (b) a towel for spills (c) a tub of water (d) a results table
40. 40.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it bounces up (c) it floats (d) it sinks

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