Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 168 · 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: small test objects is not needed for the float-or-sink test. (a) False (b) True
2. 2.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it dissolves (c) it sinks (d) it bounces up
3. 3.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
4. 4.True or false: a ping-pong ball floats on water. (a) True (b) False
5. 5.🛟 Which of these sinks in water? (a) a dry leaf (b) a feather (c) a steel spoon (d) an empty capped bottle
6. 6.True or false: a cork sinks in water. (a) False (b) True
7. 7.⚖️ 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) True (b) False
8. 8.⚖️ 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
9. 9.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
10. 10.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a towel for spills (c) a magnet (d) a results table
11. 11.⚖️ 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 measure it (b) we change it (c) we keep it the same
12. 12.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
13. 13.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
14. 14.🛟 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
15. 15.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
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) small test objects
17. 17.🧺 Which of these is not needed for the float-or-sink test? (a) a mirror (b) a results table (c) a towel for spills (d) small test objects
18. 18.🧺 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) a tub of water (d) small test objects
19. 19.⚖️ 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 measure it (b) we change it (c) we keep it the same
20. 20.⚖️ 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
21. 21.🛟 Which of these sinks in water? (a) a coin (b) an ice cube (c) a dry leaf (d) a ping-pong ball
22. 22.🌊 What pushes a floating cork upward? (a) the water (b) the air above (c) the tub (d) the cork itself
23. 23.🥚 A fresh egg sinks in plain water. What makes it float? (a) a little shaking (b) more plain water (c) lots of salt stirred in (d) a few ice cubes
24. 24.🛟 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
25. 25.🔍 Which is the odd one out? (a) a metal key (b) an iron nail (c) a steel spoon (d) a cork
26. 26.True or false: a coin floats on water. (a) True (b) False
27. 27.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it dissolves (c) it turns white (d) it still floats
28. 28.🛟 Does a cork float or sink in water? (a) floats (b) sinks
29. 29.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a magnet (c) a towel for spills (d) a battery cell
30. 30.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we keep it the same (b) we measure it (c) we change it
31. 31.🛟 Does a coin float or sink in water? (a) floats (b) sinks
32. 32.🛟 Which of these sinks in water? (a) an ice-cream stick (b) an iron nail (c) a dry leaf (d) an ice cube
33. 33.🧺 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 mirror (d) a tub of water
34. 34.⚖️ 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
35. 35.⚖️ 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 tub of water (c) the shape of the clay
36. 36.True or false: an ice-cream stick sinks in water. (a) False (b) True
37. 37.🛟 Which of these floats on water? (a) a pebble (b) a glass marble (c) an ice-cream stick (d) a coin
38. 38.True or false: a pebble floats on water. (a) True (b) False
39. 39.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) small test objects (d) yeast
40. 40.True or false: a metal key sinks in water. (a) False (b) True

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