Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 583 · 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.🛟 Does a coin float or sink in water? (a) floats (b) sinks
2. 2.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it floats higher (b) it melts (c) it sinks (d) it turns blue
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) whether it floats (b) the kind of clay (c) the shape of the clay (d) the amount of clay
4. 4.🛟 Does a pebble float or sink in water? (a) sinks (b) floats
5. 5.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is what we measure. (a) True (b) False
6. 6.True or false: a battery cell is not needed for the float-or-sink test. (a) True (b) False
7. 7.🧺 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 tub of water (d) a mirror
8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the amount of clay (b) whether it floats (c) the shape of the clay
9. 9.🛟 Does a piece of thermocol float or sink in water? (a) floats (b) sinks
10. 10.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) a balloon (c) a magnet (d) yeast
11. 11.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to splash everyone (c) to win a prize (d) to hide the corks
12. 12.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
13. 13.🛟 Which of these floats on water? (a) an iron nail (b) an ice cube (c) a coin (d) a steel spoon
14. 14.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a results table (c) a mirror (d) a tub of water
15. 15.🛟 Which of these floats on water? (a) a coin (b) a pebble (c) a glass marble (d) a dry leaf
16. 16.🧺 Which of these is not needed for the float-or-sink test? (a) a battery cell (b) small test objects (c) a towel for spills (d) a results table
17. 17.True or false: a pebble floats on water. (a) False (b) True
18. 18.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it can float (b) it dissolves (c) it sinks faster (d) it turns to stone
19. 19.🔍 Which is the odd one out? (a) a ball of clay (b) an iron nail (c) a piece of thermocol (d) a steel spoon
20. 20.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) a towel for spills (c) small test objects (d) a results table
21. 21.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) a magnet (d) a towel for spills
22. 22.True or false: a magnet is 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? What do we do with “the tub of water”? (a) we keep it the same (b) we measure it (c) we change it
24. 24.⚖️ 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) False (b) True
25. 25.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the kind of clay (b) the shape of the clay (c) whether it floats
26. 26.🛟 Which of these floats on water? (a) a metal key (b) a feather (c) a coin (d) a ball of clay
27. 27.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
28. 28.True or false: an empty capped bottle sinks in water. (a) True (b) False
29. 29.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it turns white (c) it still floats (d) it dissolves
30. 30.⚖️ 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) True (b) False
31. 31.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) a magnet (d) a results table
32. 32.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
33. 33.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
34. 34.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) steel is very light (c) it has a magnet (d) its hollow shape
35. 35.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) yeast (c) a mirror (d) a tub of water
36. 36.⚖️ 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) 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.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a results table (c) a battery cell (d) a magnet
39. 39.⚖️ 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
40. 40.🔍 Which is the odd one out? (a) a dry leaf (b) a steel spoon (c) a ping-pong ball (d) an ice cube

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