Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 771 · 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.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) small test objects (c) a towel for spills (d) yeast
2. 2.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a balloon (c) small test objects (d) turmeric powder
3. 3.⚖️ 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 kind of clay (c) the shape of the clay
4. 4.⚖️ 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) True (b) False
5. 5.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
6. 6.🔍 Which is the odd one out? (a) a pebble (b) a coin (c) a metal key (d) a dry leaf
7. 7.🛟 Does a steel spoon float or sink in water? (a) sinks (b) floats
8. 8.⚖️ 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
9. 9.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
10. 10.🛟 Which of these sinks in water? (a) an ice cube (b) a steel spoon (c) a piece of thermocol (d) an ice-cream stick
11. 11.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) a few ice cubes (c) a little shaking (d) more plain water
12. 12.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is what we measure. (a) False (b) True
13. 13.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it sinks faster (c) it turns to stone (d) it can float
14. 14.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it sinks (c) it dissolves (d) it still floats
15. 15.True or false: a results table is not needed for the float-or-sink test. (a) False (b) True
16. 16.🛟 Which of these sinks in water? (a) a cork (b) a metal key (c) an ice cube (d) a feather
17. 17.True or false: a steel spoon sinks in water. (a) True (b) False
18. 18.🛟 Which of these sinks in water? (a) a coin (b) a dry leaf (c) an empty capped bottle (d) a ping-pong ball
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 splash everyone (d) to keep children safe
20. 20.🔍 Which is the odd one out? (a) an iron nail (b) a steel spoon (c) a glass marble (d) a piece of thermocol
21. 21.True or false: a ping-pong ball sinks in water. (a) True (b) False
22. 22.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) play near a deep pond (c) wipe up spills at once (d) run around the tub
23. 23.True or false: a coin floats on water. (a) False (b) True
24. 24.🌊 What pushes a floating cork upward? (a) the air above (b) the tub (c) the cork itself (d) the 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) False (b) True
26. 26.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) small test objects (c) a results table (d) a magnet
27. 27.⚖️ 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
28. 28.True or false: turmeric powder is not needed for the float-or-sink test. (a) False (b) True
29. 29.True or false: a pebble floats on water. (a) False (b) True
30. 30.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) whether it floats (b) the tub of water (c) the shape of the clay (d) the kind of clay
31. 31.⚖️ 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
32. 32.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a results table (c) turmeric powder (d) yeast
33. 33.🔍 Which is the odd one out? (a) an ice cube (b) a pebble (c) a metal key (d) a steel spoon
34. 34.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a results table (c) small test objects (d) a mirror
35. 35.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) its hollow shape (c) steel is very light (d) it has a magnet
36. 36.⚖️ 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 tub of water (c) the shape of the clay (d) whether it floats
37. 37.⚖️ 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 change it (c) we keep it the same
38. 38.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a balloon (c) a tub of water (d) small test objects
39. 39.🔍 Which is the odd one out? (a) a steel spoon (b) an ice-cream stick (c) a cork (d) a feather
40. 40.⚖️ 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

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