Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 618 · 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.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) neither of them (c) both of them (d) the big log
2. 2.🛟 Which of these floats on water? (a) a coin (b) a metal key (c) a steel spoon (d) a dry leaf
3. 3.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
4. 4.⚖️ 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 change it (b) we keep it the same (c) we measure it
5. 5.⚖️ 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 shape of the clay (b) the tub of water (c) the amount of clay (d) the kind of clay
6. 6.🛟 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 splash everyone (d) to win a prize
7. 7.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a magnet (c) small test objects (d) a towel for spills
8. 8.🛟 Which of these sinks in water? (a) an ice cube (b) a piece of thermocol (c) a ping-pong ball (d) a glass marble
9. 9.🛟 Does a steel spoon float or sink in water? (a) sinks (b) floats
10. 10.True or false: a metal key sinks in water. (a) False (b) True
11. 11.True or false: a steel spoon floats on water. (a) True (b) False
12. 12.🔍 Which is the odd one out? (a) a ping-pong ball (b) an empty capped bottle (c) a coin (d) a dry leaf
13. 13.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a magnet (c) a battery cell (d) a tub of water
14. 14.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a towel for spills (c) a balloon (d) yeast
15. 15.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) play near a deep pond (c) wipe up spills at once (d) leave water on the floor
16. 16.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
17. 17.⚖️ 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) whether it floats (c) the shape of the clay (d) the amount of clay
18. 18.True or false: a results table is not needed for the float-or-sink test. (a) False (b) True
19. 19.True or false: a cork floats on water. (a) True (b) False
20. 20.🛟 Which of these floats on water? (a) a coin (b) a cork (c) a metal key (d) an iron nail
21. 21.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it floats higher (b) it turns blue (c) it sinks (d) it melts
22. 22.🛟 Which of these floats on water? (a) a ball of clay (b) a coin (c) an iron nail (d) an ice cube
23. 23.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
24. 24.🧺 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 tub of water (d) a mirror
25. 25.🧺 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) turmeric powder (d) a towel for spills
26. 26.🔍 Which is the odd one out? (a) a pebble (b) a glass marble (c) an empty capped bottle (d) a steel spoon
27. 27.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) a results table (c) a towel for spills (d) a tub of water
28. 28.🔍 Which is the odd one out? (a) an iron nail (b) an empty capped bottle (c) a ping-pong ball (d) a feather
29. 29.True or false: a ball of clay floats on water. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) a feather (b) a metal key (c) an ice-cream stick (d) a ping-pong ball
31. 31.🛟 Which of these floats on water? (a) a coin (b) a piece of thermocol (c) a ball of clay (d) a glass marble
32. 32.🔍 Which is the odd one out? (a) a feather (b) a metal key (c) a coin (d) a glass marble
33. 33.🔍 Which is the odd one out? (a) a dry leaf (b) an empty capped bottle (c) a glass marble (d) a feather
34. 34.🛟 Which of these floats on water? (a) a steel spoon (b) a ball of clay (c) an ice-cream stick (d) an iron nail
35. 35.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
36. 36.⚖️ 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 change it (b) we measure it (c) we keep it the same
37. 37.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a balloon (c) small test objects (d) a results table
38. 38.True or false: a cork sinks in water. (a) True (b) False
39. 39.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
40. 40.🛟 Which of these floats on water? (a) an empty capped bottle (b) a pebble (c) a coin (d) a steel spoon

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