Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 838 · 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.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
2. 2.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
3. 3.🔍 Which is the odd one out? (a) a steel spoon (b) an ice-cream stick (c) a glass marble (d) a coin
4. 4.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a battery cell (c) small test objects (d) a results table
5. 5.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to keep children safe (c) to hide the corks (d) to win a prize
6. 6.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) a little shaking (c) a few ice cubes (d) more plain water
7. 7.🧺 Which of these is not needed for the float-or-sink test? (a) a battery cell (b) small test objects (c) a tub of water (d) a results table
8. 8.🌊 What pushes a floating cork upward? (a) the water (b) the tub (c) the air above (d) the cork itself
9. 9.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks
10. 10.⚖️ 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 keep it the same (c) we change it
11. 11.🛟 Which of these sinks in water? (a) a feather (b) a steel spoon (c) a ping-pong ball (d) an empty capped bottle
12. 12.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a results table (c) a towel for spills (d) a mirror
13. 13.🛟 Which of these sinks in water? (a) a piece of thermocol (b) a ping-pong ball (c) a ball of clay (d) an ice cube
14. 14.🛟 Does a coin float or sink in water? (a) floats (b) sinks
15. 15.🔍 Which is the odd one out? (a) a dry leaf (b) an ice-cream stick (c) a ball of clay (d) a feather
16. 16.🔮 A cork floats in tap water. What happens in very salty water? (a) it still floats (b) it turns white (c) it sinks (d) it dissolves
17. 17.⚖️ 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
18. 18.True or false: an iron nail floats on water. (a) False (b) True
19. 19.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) leave water on the floor (c) run around the tub (d) wipe up spills at once
20. 20.True or false: a glass marble sinks in water. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) a glass marble (b) an ice cube (c) a pebble (d) an iron nail
22. 22.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
23. 23.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
24. 24.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) neither of them (c) the big log (d) both of them
25. 25.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
26. 26.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
27. 27.🧺 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 results table (d) a magnet
28. 28.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a mirror (c) turmeric powder (d) small test objects
29. 29.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the tub of water”? (a) we measure it (b) we keep it the same (c) we change it
30. 30.🛟 Which of these sinks in water? (a) a cork (b) a ping-pong ball (c) a coin (d) an ice-cream stick
31. 31.⚖️ 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 change it (c) we keep it the same
32. 32.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
33. 33.⚖️ 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
34. 34.🔍 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
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 tub of water (b) the amount of clay (c) whether it floats (d) the kind of clay
36. 36.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) turmeric powder (c) a tub of water (d) a results table
37. 37.🔍 Which is the odd one out? (a) a steel spoon (b) an iron nail (c) a glass marble (d) a piece of thermocol
38. 38.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
39. 39.🔍 Which is the odd one out? (a) a coin (b) a ball of clay (c) a steel spoon (d) a ping-pong ball
40. 40.True or false: a tub of water is not needed for the float-or-sink test. (a) False (b) True

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