Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 926 · 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.🛟 Does a coin float or sink in water? (a) floats (b) sinks
2. 2.⚖️ 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 tub of water (b) whether it floats (c) the amount of clay (d) the shape of the clay
3. 3.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) leave water on the floor (c) run around the tub (d) play near a deep pond
4. 4.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to win a prize (c) to keep children safe (d) to splash everyone
5. 5.🧺 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) a magnet (d) a tub of water
6. 6.True or false: a feather sinks in water. (a) True (b) False
7. 7.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True
8. 8.⚖️ 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) the shape of the clay (c) whether it floats
9. 9.🛟 Does a steel spoon float or sink in water? (a) sinks (b) floats
10. 10.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
11. 11.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) small test objects (c) a tub of water (d) a magnet
12. 12.🛟 Which of these sinks in water? (a) an ice cube (b) a coin (c) a dry leaf (d) an empty capped bottle
13. 13.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a battery cell (c) a towel for spills (d) a magnet
14. 14.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it sinks (c) it still floats (d) it dissolves
15. 15.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
16. 16.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a little shaking (c) a few ice cubes (d) lots of salt stirred in
17. 17.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
18. 18.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
19. 19.⚖️ 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
20. 20.🧺 Which of these is not needed for the float-or-sink test? (a) a mirror (b) a tub of water (c) a towel for spills (d) small test objects
21. 21.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
22. 22.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it floats (c) it sinks (d) it dissolves
23. 23.🧺 Which of these is needed for the float-or-sink test? (a) a mirror (b) a results table (c) a magnet (d) a balloon
24. 24.🔍 Which is the odd one out? (a) a dry leaf (b) a glass marble (c) a coin (d) a pebble
25. 25.True or false: a mirror is not needed for the float-or-sink test. (a) True (b) False
26. 26.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is the one thing we change. (a) True (b) False
27. 27.True or false: a metal key sinks in water. (a) False (b) True
28. 28.🛟 Which of these floats on water? (a) a pebble (b) a dry leaf (c) a metal key (d) an iron nail
29. 29.🛟 Does a glass marble float or sink in water? (a) floats (b) sinks
30. 30.🧊 Why does an ice cube float on water? (a) water is sticky (b) ice is less dense (c) ice is magnetic (d) ice is very cold
31. 31.🔍 Which is the odd one out? (a) an ice cube (b) a ping-pong ball (c) a glass marble (d) an empty capped bottle
32. 32.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is the one thing we change. (a) True (b) False
33. 33.⚖️ 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 shape of the clay (c) the tub of water
34. 34.🔍 Which is the odd one out? (a) a coin (b) an ice-cream stick (c) a piece of thermocol (d) an ice cube
35. 35.⚖️ 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
36. 36.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
37. 37.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is what we measure. (a) True (b) False
38. 38.🛟 Which of these floats on water? (a) a pebble (b) a glass marble (c) a coin (d) an ice cube
39. 39.True or false: a battery cell is needed for the float-or-sink test. (a) False (b) True
40. 40.⚖️ 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) True (b) False

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