Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 383 · 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.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is what we measure. (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 amount of clay”? (a) we measure it (b) we keep it the same (c) we change it
3. 3.⚖️ 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 kind of clay
4. 4.⚖️ 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) False (b) True
5. 5.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is the one thing we change. (a) False (b) True
6. 6.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) turmeric powder (c) a towel for spills (d) a results table
7. 7.🛟 Which of these sinks in water? (a) an ice cube (b) a coin (c) a feather (d) a ping-pong ball
8. 8.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) small test objects (c) a results table (d) a magnet
9. 9.True or false: a ping-pong ball sinks in water. (a) True (b) False
10. 10.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to splash everyone (c) to hide the corks (d) to keep children safe
11. 11.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
12. 12.🔍 Which is the odd one out? (a) a coin (b) a pebble (c) an ice cube (d) a glass marble
13. 13.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) its hollow shape (c) steel is very light (d) sea water is warm
14. 14.🔍 Which is the odd one out? (a) a steel spoon (b) a piece of thermocol (c) an iron nail (d) a coin
15. 15.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is the one thing we change. (a) False (b) True
16. 16.⚖️ 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 change it (b) we keep it the same (c) we measure it
17. 17.True or false: an empty capped bottle floats on water. (a) True (b) False
18. 18.⚖️ 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) True (b) False
19. 19.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a tub of water (c) a results table (d) a battery cell
20. 20.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
21. 21.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) small test objects (c) a towel for spills (d) a results table
22. 22.True or false: a ball of clay floats on water. (a) True (b) False
23. 23.🧺 Which of these is not needed for the float-or-sink test? (a) yeast (b) a tub of water (c) small test objects (d) a results table
24. 24.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is what we measure. (a) False (b) True
25. 25.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it dissolves (c) it turns white (d) it still floats
26. 26.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
27. 27.True or false: a feather sinks in water. (a) False (b) True
28. 28.🛟 Which of these floats on water? (a) a coin (b) a pebble (c) a feather (d) a glass marble
29. 29.🔮 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 dissolves (d) it can float
30. 30.🔍 Which is the odd one out? (a) a ping-pong ball (b) a feather (c) a pebble (d) an empty capped bottle
31. 31.⚖️ 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 tub of water (c) the shape of the clay (d) the kind of clay
32. 32.⚖️ 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) False (b) True
33. 33.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a mirror (c) small test objects (d) a results table
34. 34.True or false: a cork sinks in water. (a) True (b) False
35. 35.True or false: yeast is needed for the float-or-sink test. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) a coin (b) an ice cube (c) a piece of thermocol (d) an ice-cream stick
37. 37.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) a tub of water (c) small test objects (d) a results table
38. 38.🔍 Which is the odd one out? (a) a pebble (b) an ice-cream stick (c) a metal key (d) an iron nail
39. 39.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
40. 40.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats

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