Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 948 · 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 metal key sinks in water. (a) False (b) True
2. 2.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it bounces up (c) it floats (d) it sinks
3. 3.🔍 Which is the odd one out? (a) a cork (b) an ice-cream stick (c) a ping-pong ball (d) a coin
4. 4.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False
5. 5.🧺 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 mirror
6. 6.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a battery cell (c) small test objects (d) a towel for spills
7. 7.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) yeast (b) a towel for spills (c) a tub of water (d) small test objects
8. 8.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
9. 9.⚖️ 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
10. 10.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) turmeric powder (c) a mirror (d) a results table
11. 11.🧊 Why does an ice cube float on water? (a) ice is less dense (b) ice is very cold (c) ice is magnetic (d) water is sticky
12. 12.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a balloon (c) a tub of water (d) a results table
13. 13.🛟 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 keep children safe (d) to hide the corks
14. 14.🧺 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) turmeric powder (d) a towel for spills
15. 15.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a tub of water (c) a results table (d) a balloon
16. 16.🛟 Does a pebble float or sink in water? (a) sinks (b) floats
17. 17.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
18. 18.True or false: a metal key floats on water. (a) False (b) True
19. 19.🛟 Which of these floats on water? (a) a cork (b) a coin (c) a pebble (d) a glass marble
20. 20.⚖️ 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 amount of clay (c) the shape of the clay
21. 21.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
22. 22.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a cork (c) a dry leaf (d) a pebble
23. 23.⚖️ 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 keep it the same (b) we measure it (c) we change it
24. 24.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
25. 25.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) a tub of water (d) turmeric powder
26. 26.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
27. 27.🛟 Which of these sinks in water? (a) a piece of thermocol (b) a feather (c) a metal key (d) an ice cube
28. 28.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) run around the tub (c) play near a deep pond (d) wipe up spills at once
29. 29.⚖️ 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 shape of the clay (c) the tub of water
30. 30.True or false: an iron nail floats on water. (a) True (b) False
31. 31.🛟 Which of these floats on water? (a) an iron nail (b) a steel spoon (c) an ice cube (d) a glass marble
32. 32.⚖️ 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
33. 33.🛟 Which of these floats on water? (a) a coin (b) a pebble (c) a ping-pong ball (d) a steel spoon
34. 34.🧺 Which of these is not needed for the float-or-sink test? (a) yeast (b) a results table (c) a tub of water (d) small test objects
35. 35.⚖️ 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
36. 36.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a mirror (c) small test objects (d) a tub of water
37. 37.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) small test objects (c) a towel for spills (d) a magnet
38. 38.🛟 Does a feather float or sink in water? (a) floats (b) sinks
39. 39.🥚 A fresh egg sinks in plain water. What makes it float? (a) a few ice cubes (b) more plain water (c) lots of salt stirred in (d) a little shaking
40. 40.⚖️ 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

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