Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 461 · 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.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
2. 2.🧊 Why does an ice cube float on water? (a) ice is very cold (b) water is sticky (c) ice is magnetic (d) ice is less dense
3. 3.🔍 Which is the odd one out? (a) a glass marble (b) a ball of clay (c) a ping-pong ball (d) a coin
4. 4.🔍 Which is the odd one out? (a) a cork (b) a glass marble (c) a steel spoon (d) a pebble
5. 5.🧺 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) turmeric powder
6. 6.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True
7. 7.True or false: a balloon is not needed for the float-or-sink test. (a) False (b) True
8. 8.🛟 Which of these sinks in water? (a) a pebble (b) an ice cube (c) an ice-cream stick (d) a cork
9. 9.⚖️ 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) False (b) True
10. 10.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
11. 11.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a magnet (b) small test objects (c) a results table (d) a towel for spills
12. 12.🛟 Which of these sinks in water? (a) an empty capped bottle (b) an ice-cream stick (c) a steel spoon (d) a cork
13. 13.🔮 A cork floats in tap water. What happens in very salty water? (a) it still floats (b) it turns white (c) it dissolves (d) it sinks
14. 14.🔍 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
15. 15.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
16. 16.True or false: an ice-cream stick sinks in water. (a) True (b) False
17. 17.⚖️ 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 change it (c) we keep it the same
18. 18.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it can float (b) it sinks faster (c) it dissolves (d) it turns to stone
19. 19.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) a tub of water (d) a mirror
20. 20.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is the one thing we change. (a) True (b) False
21. 21.🥚 A fresh egg sinks in plain water. What makes it float? (a) a little shaking (b) lots of salt stirred in (c) a few ice cubes (d) more plain water
22. 22.🛟 Which of these floats on water? (a) a ping-pong ball (b) a steel spoon (c) a metal key (d) a pebble
23. 23.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
24. 24.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) wipe up spills at once (c) run around the tub (d) leave water on the floor
25. 25.⚖️ 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
26. 26.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a battery cell (c) a tub of water (d) a towel for spills
27. 27.True or false: a results table is not needed for the float-or-sink test. (a) False (b) True
28. 28.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
29. 29.True or false: a magnet is needed for the float-or-sink test. (a) False (b) True
30. 30.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
31. 31.🧺 Which of these is needed for the float-or-sink test? (a) a tub of water (b) a magnet (c) turmeric powder (d) a battery cell
32. 32.True or false: turmeric powder is not needed for the float-or-sink test. (a) False (b) True
33. 33.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) yeast (d) a results table
34. 34.🔍 Which is the odd one out? (a) a metal key (b) an iron nail (c) a ball of clay (d) a feather
35. 35.True or false: an ice-cream stick floats on water. (a) False (b) True
36. 36.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) whether it floats (b) the tub of water (c) the shape of the clay (d) the kind of clay
37. 37.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
38. 38.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we keep it the same (b) we change it (c) we measure it
39. 39.True or false: a cork floats on water. (a) True (b) False
40. 40.⚖️ 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 kind of clay (c) whether it floats

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