Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 697 · 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 dry leaf sinks in water. (a) False (b) True
2. 2.🧺 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 results table (d) small test objects
3. 3.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
4. 4.True or false: a mirror is not needed for the float-or-sink test. (a) False (b) True
5. 5.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we measure it (b) we keep it the same (c) we change it
6. 6.⚖️ 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
7. 7.True or false: a coin sinks in water. (a) False (b) True
8. 8.True or false: an ice-cream stick floats on water. (a) False (b) True
9. 9.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a tub of water (c) a towel for spills (d) a magnet
10. 10.⚖️ 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
11. 11.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
12. 12.🥚 A fresh egg sinks in plain water. What makes it float? (a) a little shaking (b) a few ice cubes (c) lots of salt stirred in (d) more plain water
13. 13.🔍 Which is the odd one out? (a) a coin (b) a piece of thermocol (c) a dry leaf (d) an empty capped bottle
14. 14.True or false: an iron nail floats on water. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) a cork (b) an empty capped bottle (c) an ice cube (d) a ball of clay
16. 16.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
17. 17.⚖️ 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 measure it (c) we change it
18. 18.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
19. 19.🧊 Why does an ice cube float on water? (a) ice is less dense (b) ice is magnetic (c) ice is very cold (d) water is sticky
20. 20.🛟 Which of these floats on water? (a) a ping-pong ball (b) a steel spoon (c) a glass marble (d) an iron nail
21. 21.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
22. 22.🧺 Which of these is not needed for the float-or-sink test? (a) yeast (b) a towel for spills (c) small test objects (d) a results table
23. 23.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to win a prize (c) to hide the corks (d) to keep children safe
24. 24.🔍 Which is the odd one out? (a) a pebble (b) a glass marble (c) a ball of clay (d) an empty capped bottle
25. 25.⚖️ 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
26. 26.🛟 Does a cork 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 balloon (b) a tub of water (c) a results table (d) a towel for spills
28. 28.🛟 Which of these floats on water? (a) a glass marble (b) a ball of clay (c) a feather (d) a coin
29. 29.True or false: a battery cell 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 kind of clay”? (a) we keep it the same (b) we measure it (c) we change it
31. 31.🛟 Which of these sinks in water? (a) a steel spoon (b) an ice cube (c) a cork (d) a feather
32. 32.True or false: a ball of clay floats on water. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) an empty capped bottle (b) a piece of thermocol (c) a dry leaf (d) a steel spoon
34. 34.🔍 Which is the odd one out? (a) a dry leaf (b) a ping-pong ball (c) an iron nail (d) a cork
35. 35.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the shape of the clay (b) the kind of clay (c) whether it floats (d) the tub of water
36. 36.True or false: a balloon is not needed for the float-or-sink test. (a) False (b) True
37. 37.True or false: a glass marble sinks in water. (a) False (b) True
38. 38.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) play near a deep pond (c) run around the tub (d) leave water on the floor
39. 39.True or false: a feather sinks in water. (a) False (b) True
40. 40.🛟 Which of these floats on water? (a) a metal key (b) an iron nail (c) an ice cube (d) a coin

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