Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 310 · 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.🔍 Which is the odd one out? (a) a ping-pong ball (b) a piece of thermocol (c) a feather (d) an iron nail
2. 2.🔍 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
3. 3.True or false: a coin floats on water. (a) True (b) False
4. 4.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
5. 5.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
6. 6.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
7. 7.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) run around the tub (c) leave water on the floor (d) wipe up spills at once
8. 8.🌊 What pushes a floating cork upward? (a) the cork itself (b) the air above (c) the water (d) the tub
9. 9.🛟 Does a ping-pong ball float or sink in water? (a) sinks (b) floats
10. 10.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a balloon (c) a mirror (d) a towel for spills
11. 11.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is what we measure. (a) False (b) True
12. 12.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) small test objects (c) a tub of water (d) a battery cell
13. 13.🧺 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 battery cell (d) a towel for spills
14. 14.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a tub of water (c) a mirror (d) small test objects
15. 15.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks
16. 16.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is very cold (c) ice is magnetic (d) ice is less dense
17. 17.🔍 Which is the odd one out? (a) an empty capped bottle (b) a glass marble (c) a steel spoon (d) an iron nail
18. 18.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it sinks faster (c) it can float (d) it dissolves
19. 19.True or false: a glass marble sinks in water. (a) False (b) True
20. 20.True or false: an empty capped bottle floats on water. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) a glass marble (b) a piece of thermocol (c) a cork (d) a dry leaf
22. 22.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
23. 23.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is what we measure. (a) False (b) True
24. 24.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the shape of the clay (b) the amount of clay (c) whether it floats
25. 25.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) a coin (b) a pebble (c) an ice cube (d) a steel spoon
27. 27.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
28. 28.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False
29. 29.🔮 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
30. 30.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the small pebble (c) neither of them (d) the big log
31. 31.⚖️ 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) whether it floats (c) the tub of water (d) the amount of clay
32. 32.True or false: a results table is needed for the float-or-sink test. (a) True (b) False
33. 33.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to win a prize (c) to splash everyone (d) to hide the corks
34. 34.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the shape of the clay (b) the tub of water (c) whether it floats
35. 35.⚖️ 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
36. 36.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a magnet (c) small test objects (d) yeast
37. 37.True or false: a magnet is not needed for the float-or-sink test. (a) True (b) False
38. 38.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is kept the same. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) a cork (b) a coin (c) a dry leaf (d) an empty capped bottle
40. 40.🔍 Which is the odd one out? (a) a feather (b) a piece of thermocol (c) an empty capped bottle (d) a steel spoon

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