Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 662 · 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) the big log (c) neither of them (d) both of them
2. 2.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the amount of clay (b) the kind of clay (c) whether it floats (d) the tub of water
3. 3.🛟 Which of these sinks in water? (a) a dry leaf (b) a ping-pong ball (c) an ice-cream stick (d) a coin
4. 4.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False
5. 5.🛟 Does a steel spoon float or sink in water? (a) sinks (b) floats
6. 6.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) whether it floats (b) the kind of clay (c) the shape of the clay
7. 7.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
8. 8.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a little shaking (c) lots of salt stirred in (d) a few ice cubes
9. 9.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it sinks (c) it dissolves (d) it still floats
10. 10.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a tub of water (c) small test objects (d) yeast
11. 11.🔍 Which is the odd one out? (a) an ice-cream stick (b) an empty capped bottle (c) a steel spoon (d) an ice cube
12. 12.🔍 Which is the odd one out? (a) an empty capped bottle (b) a feather (c) a cork (d) a coin
13. 13.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to win a prize (c) to keep children safe (d) to hide the corks
14. 14.🛟 Which of these sinks in water? (a) a piece of thermocol (b) an iron nail (c) a feather (d) an ice cube
15. 15.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it bounces up (c) it floats (d) it sinks
16. 16.⚖️ 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
17. 17.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
18. 18.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
19. 19.⚖️ 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 measure it (b) we keep it the same (c) we change it
20. 20.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
21. 21.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) small test objects (c) a magnet (d) a towel for spills
22. 22.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
23. 23.🛟 Which of these floats on water? (a) a steel spoon (b) a pebble (c) an ice cube (d) a metal key
24. 24.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) small test objects (c) a tub of water (d) a towel for spills
25. 25.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) yeast (c) a results table (d) a battery cell
26. 26.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
27. 27.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False
28. 28.🧺 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 towel for spills (d) small test objects
29. 29.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the tub of water”? (a) we measure it (b) we keep it the same (c) we change it
30. 30.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
31. 31.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it sinks (c) it floats higher (d) it turns blue
32. 32.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a tub of water (c) a magnet (d) turmeric powder
33. 33.⚖️ 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) the tub of water
34. 34.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
35. 35.🚢 Why can a heavy steel ship float on the sea? (a) it has a magnet (b) steel is very light (c) its hollow shape (d) sea water is warm
36. 36.True or false: an empty capped bottle sinks in water. (a) True (b) False
37. 37.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
38. 38.True or false: a mirror is not needed for the float-or-sink test. (a) True (b) False
39. 39.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
40. 40.🔍 Which is the odd one out? (a) a dry leaf (b) a feather (c) a glass marble (d) an ice-cream stick

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