Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 161 · 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: an empty capped bottle sinks in water. (a) False (b) True
2. 2.⚖️ 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 measure it (b) we keep it the same (c) we change it
3. 3.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
4. 4.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) wipe up spills at once (c) run around the tub (d) leave water on the floor
5. 5.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a few ice cubes (c) lots of salt stirred in (d) a little shaking
6. 6.🔍 Which is the odd one out? (a) a coin (b) a glass marble (c) an empty capped bottle (d) a steel spoon
7. 7.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
8. 8.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
9. 9.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) steel is very light (c) sea water is warm (d) it has a magnet
10. 10.True or false: a results table is needed for the float-or-sink test. (a) True (b) False
11. 11.🛟 Which of these sinks in water? (a) a cork (b) a steel spoon (c) an ice cube (d) an empty capped bottle
12. 12.🔍 Which is the odd one out? (a) an ice-cream stick (b) an empty capped bottle (c) a steel spoon (d) a dry leaf
13. 13.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks
14. 14.⚖️ 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 amount of clay (b) the kind of clay (c) the shape of the clay (d) the tub of water
15. 15.True or false: a battery cell is not needed for the float-or-sink test. (a) True (b) False
16. 16.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a tub of water (c) a balloon (d) a results table
17. 17.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a magnet (c) a results table (d) a battery cell
18. 18.🔍 Which is the odd one out? (a) a metal key (b) a piece of thermocol (c) a coin (d) a steel spoon
19. 19.🛟 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
20. 20.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
21. 21.⚖️ 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) whether it floats (c) the tub of water
22. 22.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a towel for spills (c) small test objects (d) a battery cell
23. 23.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
24. 24.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a balloon (c) a results table (d) a tub of water
25. 25.⚖️ 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
26. 26.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a ball of clay (c) a cork (d) an empty capped bottle
27. 27.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) the small pebble (c) neither of them (d) both of them
28. 28.🔍 Which is the odd one out? (a) a cork (b) an iron nail (c) a ping-pong ball (d) a feather
29. 29.🛟 Does a steel spoon float or sink in water? (a) sinks (b) floats
30. 30.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) a tub of water (c) a results table (d) small test objects
31. 31.⚖️ 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
32. 32.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a towel for spills (c) a mirror (d) small test objects
33. 33.🛟 Which of these floats on water? (a) an ice cube (b) an iron nail (c) a ball of clay (d) a steel spoon
34. 34.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it sinks faster (b) it dissolves (c) it turns to stone (d) it can float
35. 35.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
36. 36.🛟 Which of these sinks in water? (a) a dry leaf (b) an empty capped bottle (c) an ice cube (d) a pebble
37. 37.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it melts (c) it floats higher (d) it sinks
38. 38.True or false: a dry leaf sinks in water. (a) False (b) True
39. 39.True or false: small test objects is needed for the float-or-sink test. (a) True (b) False
40. 40.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it still floats (c) it turns white (d) it dissolves

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