Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 695 · 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 steel spoon sinks in water. (a) True (b) False
2. 2.🛟 Which of these floats on water? (a) an iron nail (b) a glass marble (c) an ice-cream stick (d) a pebble
3. 3.🛟 Does a coin float or sink in water? (a) sinks (b) floats
4. 4.🛟 Which of these floats on water? (a) an iron nail (b) an ice cube (c) a glass marble (d) a steel spoon
5. 5.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
6. 6.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
7. 7.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is what we measure. (a) False (b) True
8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is kept the same. (a) False (b) True
9. 9.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
10. 10.🔍 Which is the odd one out? (a) an ice cube (b) a dry leaf (c) a coin (d) a piece of thermocol
11. 11.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) small test objects (c) a tub of water (d) a mirror
12. 12.True or false: an empty capped bottle floats on water. (a) False (b) True
13. 13.⚖️ 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 kind of clay (b) the tub of water (c) the shape of the clay (d) whether it floats
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.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
16. 16.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it dissolves (c) it sinks faster (d) it can float
17. 17.True or false: a glass marble floats on water. (a) False (b) True
18. 18.⚖️ 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
19. 19.🛟 Does a cork float or sink in water? (a) sinks (b) floats
20. 20.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a balloon (c) a towel for spills (d) a magnet
21. 21.⚖️ 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
22. 22.🧺 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 magnet (d) a towel for spills
23. 23.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it sinks (b) it turns blue (c) it melts (d) it floats higher
24. 24.⚖️ 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
25. 25.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
26. 26.🛟 Does a feather float or sink in water? (a) sinks (b) floats
27. 27.🧺 Which of these is not needed for the float-or-sink test? (a) a battery cell (b) small test objects (c) a tub of water (d) a towel for spills
28. 28.🛟 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
29. 29.🔍 Which is the odd one out? (a) a piece of thermocol (b) a cork (c) a metal key (d) an ice-cream stick
30. 30.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) small test objects (d) a balloon
31. 31.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it sinks (c) it dissolves (d) it bounces up
32. 32.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is magnetic (c) ice is less dense (d) ice is very cold
33. 33.🛟 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) leave water on the floor (d) run around the tub
34. 34.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
35. 35.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) a cork (b) a pebble (c) an ice-cream stick (d) a feather
37. 37.True or false: a piece of thermocol sinks in water. (a) True (b) False
38. 38.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False
39. 39.🧺 Which of these is not needed for the float-or-sink test? (a) a magnet (b) a results table (c) a tub of water (d) small test objects
40. 40.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we keep it the same (b) we measure it (c) we change it

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