Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 710 · 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: an empty capped bottle sinks in water. (a) False (b) True
2. 2.True or false: a battery cell is not needed for the float-or-sink test. (a) False (b) True
3. 3.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) play near a deep pond (c) wipe up spills at once (d) run around the tub
4. 4.True or false: turmeric powder is needed for the float-or-sink test. (a) False (b) True
5. 5.🛟 Which of these floats on water? (a) a steel spoon (b) a cork (c) a glass marble (d) a ball of clay
6. 6.🧺 Which of these is not needed for the float-or-sink test? (a) a mirror (b) small test objects (c) a results table (d) a tub of water
7. 7.⚖️ 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 change it (b) we measure it (c) we keep it the same
8. 8.True or false: a dry leaf sinks in water. (a) True (b) False
9. 9.🛟 Which of these sinks in water? (a) a ping-pong ball (b) a coin (c) an ice cube (d) an empty capped bottle
10. 10.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it can float (c) it sinks faster (d) it dissolves
11. 11.⚖️ 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) whether it floats (c) the shape of the clay
12. 12.🛟 Which of these floats on water? (a) an empty capped bottle (b) a glass marble (c) a steel spoon (d) an iron nail
13. 13.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to keep children safe (c) to splash everyone (d) to hide the corks
14. 14.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
15. 15.True or false: a glass marble floats on water. (a) True (b) False
16. 16.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
17. 17.🧺 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) a tub of water (d) yeast
18. 18.🔍 Which is the odd one out? (a) a coin (b) a ball of clay (c) an ice-cream stick (d) a glass marble
19. 19.🛟 Which of these floats on water? (a) a steel spoon (b) an iron nail (c) an ice cube (d) a coin
20. 20.🔍 Which is the odd one out? (a) a pebble (b) a ball of clay (c) a metal key (d) an empty capped bottle
21. 21.⚖️ 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
22. 22.🛟 Which of these floats on water? (a) a pebble (b) a ball of clay (c) a coin (d) a ping-pong ball
23. 23.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a results table (c) small test objects (d) turmeric powder
24. 24.🔍 Which is the odd one out? (a) a feather (b) an ice-cream stick (c) an iron nail (d) a dry leaf
25. 25.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a magnet (c) a mirror (d) a results table
26. 26.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it dissolves (c) it bounces up (d) it sinks
27. 27.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a results table (c) turmeric powder (d) a tub of water
28. 28.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
29. 29.🧺 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 magnet (d) a towel for spills
30. 30.⚖️ 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 keep it the same (c) we measure it
31. 31.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it still floats (c) it turns white (d) it sinks
32. 32.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
33. 33.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is kept the same. (a) True (b) False
34. 34.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is what we measure. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) a ball of clay (b) a steel spoon (c) a ping-pong ball (d) a glass marble
36. 36.⚖️ 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 kind of clay (b) the shape of the clay (c) the amount of clay (d) whether it floats
37. 37.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
38. 38.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
39. 39.True or false: an iron nail floats on water. (a) False (b) True
40. 40.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False

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