Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 915 · 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: the shape of the clay is the one thing we change. (a) True (b) False
2. 2.🥚 A fresh egg sinks in plain water. What makes it float? (a) a few ice cubes (b) a little shaking (c) lots of salt stirred in (d) more plain water
3. 3.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to splash everyone (c) to win a prize (d) to keep children safe
4. 4.⚖️ 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) True (b) False
5. 5.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) play near a deep pond (c) leave water on the floor (d) wipe up spills at once
6. 6.⚖️ 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
7. 7.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) sea water is warm (c) it has a magnet (d) its hollow shape
8. 8.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
9. 9.True or false: a ball of clay sinks in water. (a) True (b) False
10. 10.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the tub of water (b) the shape of the clay (c) the kind of clay (d) whether it floats
11. 11.⚖️ 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 tub of water (b) the kind of clay (c) the amount of clay (d) the shape of the clay
12. 12.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a tub of water (c) a battery cell (d) turmeric powder
13. 13.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is kept the same. (a) False (b) True
14. 14.🧺 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
15. 15.⚖️ 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
16. 16.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) turmeric powder (b) a towel for spills (c) a tub of water (d) a results table
17. 17.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
18. 18.🔍 Which is the odd one out? (a) a ball of clay (b) a pebble (c) an iron nail (d) an empty capped bottle
19. 19.🛟 Which of these floats on water? (a) a feather (b) a pebble (c) a metal key (d) an iron nail
20. 20.🛟 Which of these sinks in water? (a) a ping-pong ball (b) an ice cube (c) a glass marble (d) a dry leaf
21. 21.🔍 Which is the odd one out? (a) a glass marble (b) a metal key (c) a feather (d) a coin
22. 22.🔮 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
23. 23.🧺 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 tub of water (d) a mirror
24. 24.🧺 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 magnet (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 shape of the clay is kept the same. (a) False (b) True
26. 26.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
27. 27.🛟 Does a feather float or sink in water? (a) sinks (b) floats
28. 28.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a magnet (c) a mirror (d) small test objects
29. 29.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
30. 30.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the shape of the clay”? (a) we keep it the same (b) we change it (c) we measure it
31. 31.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it bounces up (c) it dissolves (d) it sinks
32. 32.True or false: a tub of water is not needed for the float-or-sink test. (a) True (b) False
33. 33.🛟 Which of these floats on water? (a) an iron nail (b) a ball of clay (c) a cork (d) a pebble
34. 34.⚖️ 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 keep it the same (b) we change it (c) we measure it
35. 35.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a battery cell (c) a towel for spills (d) a results table
36. 36.🛟 Which of these floats on water? (a) a steel spoon (b) a metal key (c) an ice cube (d) a coin
37. 37.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
38. 38.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we change it (b) we keep it the same (c) we measure it
39. 39.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
40. 40.🛟 Which of these sinks in water? (a) an ice cube (b) a ball of clay (c) a dry leaf (d) a piece of thermocol

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