Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 164 · 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 magnet is not needed for the float-or-sink test. (a) False (b) True
2. 2.🧺 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 towel for spills
3. 3.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
4. 4.🧺 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) a balloon (d) a tub of water
5. 5.🛟 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
6. 6.⚖️ 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) the shape of the clay (c) whether it floats
7. 7.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) turmeric powder (c) a battery cell (d) a results table
8. 8.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a magnet (c) small test objects (d) a results table
9. 9.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) whether it floats (b) the shape of the clay (c) the amount of clay (d) the tub of water
10. 10.🧺 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) small test objects (d) a magnet
11. 11.🔍 Which is the odd one out? (a) a dry leaf (b) an empty capped bottle (c) a feather (d) a ball of clay
12. 12.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
13. 13.True or false: turmeric powder is needed for the float-or-sink test. (a) False (b) True
14. 14.🛟 Which of these floats on water? (a) an iron nail (b) a metal key (c) a piece of thermocol (d) a ball of clay
15. 15.🛟 Which of these floats on water? (a) a coin (b) an iron nail (c) a steel spoon (d) a feather
16. 16.🔍 Which is the odd one out? (a) a steel spoon (b) an empty capped bottle (c) a pebble (d) a coin
17. 17.🥚 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
18. 18.🔍 Which is the odd one out? (a) a cork (b) an ice-cream stick (c) a glass marble (d) an empty capped bottle
19. 19.🛟 Which of these floats on water? (a) a pebble (b) a coin (c) a glass marble (d) a ping-pong ball
20. 20.⚖️ 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
21. 21.🛟 Does a cork float or sink in water? (a) sinks (b) floats
22. 22.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it still floats (c) it dissolves (d) it sinks
23. 23.🧺 Which of these is needed for the float-or-sink test? (a) a towel for spills (b) yeast (c) a balloon (d) a battery cell
24. 24.🛟 Which of these sinks in water? (a) a dry leaf (b) a feather (c) an empty capped bottle (d) a glass marble
25. 25.🌊 What pushes a floating cork upward? (a) the tub (b) the air above (c) the cork itself (d) the water
26. 26.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) water is sticky (c) ice is less dense (d) ice is very cold
27. 27.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
28. 28.🧺 Which of these is not needed for the float-or-sink test? (a) yeast (b) a tub of water (c) a towel for spills (d) a results table
29. 29.🛟 Does a feather float or sink in water? (a) floats (b) sinks
30. 30.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it sinks faster (b) it dissolves (c) it turns to stone (d) it can float
31. 31.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) both of them (c) the big log (d) neither of them
32. 32.🔍 Which is the odd one out? (a) a piece of thermocol (b) a dry leaf (c) a pebble (d) an ice cube
33. 33.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
34. 34.🛟 Which of these floats on water? (a) an ice cube (b) a steel spoon (c) a glass marble (d) a pebble
35. 35.🛟 Does a coin float or sink in water? (a) floats (b) sinks
36. 36.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
37. 37.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) a tub of water (c) a results table (d) a towel for spills
38. 38.🛟 Which of these sinks in water? (a) an ice cube (b) a ping-pong ball (c) a metal key (d) a cork
39. 39.🧺 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) a results table (d) small test objects
40. 40.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed

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