Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 905 · 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 towel for spills is not needed for the float-or-sink test. (a) False (b) True
2. 2.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a results table (c) yeast (d) a mirror
3. 3.🧺 Which of these is not needed for the float-or-sink test? (a) a magnet (b) a towel for spills (c) a tub of water (d) a results table
4. 4.⚖️ 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 amount of clay (b) the shape of the clay (c) the kind of clay (d) whether it floats
5. 5.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
6. 6.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) small test objects (c) a towel for spills (d) a magnet
7. 7.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
8. 8.🛟 Which of these floats on water? (a) a cork (b) a metal key (c) a glass marble (d) a steel spoon
9. 9.🛟 Which of these floats on water? (a) a pebble (b) a metal key (c) a ping-pong ball (d) a coin
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.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) both of them (c) neither of them (d) the big log
12. 12.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to splash everyone (c) to hide the corks (d) to keep children safe
13. 13.🔮 A cork floats in tap water. What happens in very salty water? (a) it still floats (b) it dissolves (c) it turns white (d) it sinks
14. 14.🛟 Which of these sinks in water? (a) an ice cube (b) a piece of thermocol (c) a feather (d) an iron nail
15. 15.True or false: yeast is needed for the float-or-sink test. (a) False (b) True
16. 16.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is kept the same. (a) False (b) True
17. 17.True or false: small test objects is not needed for the float-or-sink test. (a) False (b) True
18. 18.🛟 Which of these sinks in water? (a) an ice cube (b) a dry leaf (c) a metal key (d) an ice-cream stick
19. 19.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
20. 20.🔍 Which is the odd one out? (a) a dry leaf (b) a piece of thermocol (c) a cork (d) an iron nail
21. 21.🛟 Which of these sinks in water? (a) a glass marble (b) an ice cube (c) an ice-cream stick (d) a cork
22. 22.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) yeast (c) small test objects (d) a balloon
23. 23.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) yeast (c) a tub of water (d) a results table
24. 24.🧺 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 battery cell (d) a towel for spills
25. 25.🛟 Which of these floats on water? (a) a ball of clay (b) a steel spoon (c) a pebble (d) a feather
26. 26.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is what we measure. (a) True (b) False
27. 27.True or false: a metal key sinks in water. (a) False (b) True
28. 28.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) play near a deep pond (c) leave water on the floor (d) wipe up spills at once
29. 29.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it sinks (c) it bounces up (d) it floats
30. 30.True or false: a results table is needed for the float-or-sink test. (a) False (b) True
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 change it (b) we measure it (c) we keep it the same
32. 32.🛟 Which of these sinks in water? (a) an ice cube (b) a ball of clay (c) a piece of thermocol (d) a ping-pong ball
33. 33.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) a towel for spills (d) a mirror
34. 34.True or false: an iron nail floats on water. (a) False (b) True
35. 35.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) a tub of water (c) small test objects (d) a results table
36. 36.True or false: a mirror is not needed for the float-or-sink test. (a) True (b) False
37. 37.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
38. 38.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
39. 39.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
40. 40.🛟 Which of these floats on water? (a) a steel spoon (b) a coin (c) a piece of thermocol (d) a metal key

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