Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 177 · 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.🛟 Which of these sinks in water? (a) a ping-pong ball (b) a cork (c) an empty capped bottle (d) a coin
2. 2.🛟 Which of these sinks in water? (a) a piece of thermocol (b) a cork (c) a metal key (d) a dry leaf
3. 3.🛟 Does a cork float or sink in water? (a) sinks (b) floats
4. 4.True or false: turmeric powder is needed for the float-or-sink test. (a) True (b) False
5. 5.🧺 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) a battery cell (d) a tub of water
6. 6.🛟 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
7. 7.🛟 Which of these sinks in water? (a) a cork (b) a feather (c) a pebble (d) an ice cube
8. 8.True or false: a pebble sinks in water. (a) False (b) True
9. 9.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to keep children safe (c) to win a prize (d) to splash everyone
10. 10.🔍 Which is the odd one out? (a) a ping-pong ball (b) an iron nail (c) a glass marble (d) a pebble
11. 11.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) it has a magnet (c) its hollow shape (d) steel is very light
12. 12.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the kind of clay (b) the tub of water (c) the shape of the clay (d) whether it floats
13. 13.True or false: a steel spoon sinks in water. (a) False (b) True
14. 14.True or false: a metal key floats on water. (a) True (b) False
15. 15.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
16. 16.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) yeast (c) a magnet (d) a results table
17. 17.⚖️ 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) whether it floats (c) the amount of clay (d) the shape of the clay
18. 18.🧺 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) a mirror (d) small test objects
19. 19.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
20. 20.🛟 Does a coin float or sink in water? (a) floats (b) sinks
21. 21.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is the one thing we change. (a) False (b) True
22. 22.⚖️ 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 keep it the same (c) we change it
23. 23.⚖️ 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
24. 24.⚖️ 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
25. 25.True or false: a cork sinks in water. (a) False (b) True
26. 26.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) water is sticky (c) ice is very cold (d) ice is less dense
27. 27.🛟 Which of these floats on water? (a) a ball of clay (b) a cork (c) a steel spoon (d) a metal key
28. 28.🥚 A fresh egg sinks in plain water. What makes it float? (a) a little shaking (b) more plain water (c) a few ice cubes (d) lots of salt stirred in
29. 29.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) a towel for spills (d) yeast
30. 30.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False
31. 31.🌊 What pushes a floating cork upward? (a) the tub (b) the cork itself (c) the water (d) the air above
32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the amount of clay (b) whether it floats (c) the shape of the clay
33. 33.⚖️ 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) True (b) False
34. 34.True or false: a battery cell is not needed for the float-or-sink test. (a) False (b) True
35. 35.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a mirror (c) a balloon (d) a towel for spills
36. 36.🔍 Which is the odd one out? (a) a coin (b) an iron nail (c) an ice cube (d) a steel spoon
37. 37.⚖️ 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
38. 38.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
39. 39.🔍 Which is the odd one out? (a) a glass marble (b) a steel spoon (c) an iron nail (d) a cork
40. 40.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) a results table (d) a balloon

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