Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 493 · 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 needed for the float-or-sink test. (a) False (b) True
2. 2.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) a towel for spills (d) a balloon
3. 3.True or false: a glass marble floats on water. (a) False (b) True
4. 4.⚖️ 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 measure it (b) we change it (c) we keep it the same
5. 5.🛟 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
6. 6.⚖️ 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
7. 7.🛟 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
8. 8.True or false: a feather sinks in water. (a) False (b) True
9. 9.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a balloon (c) a mirror (d) a results table
10. 10.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) yeast (c) turmeric powder (d) a tub of water
11. 11.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
12. 12.True or false: a magnet is needed for the float-or-sink test. (a) False (b) True
13. 13.True or false: a cork sinks in water. (a) False (b) True
14. 14.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) yeast (c) a magnet (d) a towel for spills
15. 15.🛟 Which of these sinks in water? (a) a feather (b) a coin (c) a cork (d) an ice-cream stick
16. 16.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is what we measure. (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 “whether it floats”? (a) we change it (b) we measure it (c) we keep it the same
18. 18.⚖️ 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
19. 19.🔍 Which is the odd one out? (a) a glass marble (b) a piece of thermocol (c) a ball of clay (d) a steel spoon
20. 20.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) the small pebble (c) both of them (d) the big log
21. 21.🥚 A fresh egg sinks in plain water. What makes it float? (a) a few ice cubes (b) a little shaking (c) lots of salt stirred in (d) more plain water
22. 22.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
23. 23.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
24. 24.True or false: an empty capped bottle floats on water. (a) True (b) False
25. 25.🛟 Does a steel spoon float or sink in water? (a) sinks (b) floats
26. 26.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it turns white (c) it still floats (d) it sinks
27. 27.⚖️ 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 tub of water (c) whether it floats (d) the shape of the clay
28. 28.🛟 Does a feather float or sink in water? (a) sinks (b) floats
29. 29.🔍 Which is the odd one out? (a) a ball of clay (b) an ice cube (c) a ping-pong ball (d) a piece of thermocol
30. 30.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) water is sticky (c) ice is less dense (d) ice is very cold
31. 31.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is kept the same. (a) True (b) False
32. 32.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) yeast (c) small test objects (d) a results table
33. 33.🔍 Which is the odd one out? (a) a glass marble (b) an empty capped bottle (c) a metal key (d) a pebble
34. 34.True or false: a magnet is not needed for the float-or-sink test. (a) True (b) False
35. 35.🛟 Which of these floats on water? (a) a coin (b) a metal key (c) an empty capped bottle (d) a glass marble
36. 36.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
37. 37.🧺 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
38. 38.⚖️ 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) False (b) True
39. 39.True or false: a ball of clay 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 kind of clay (b) the shape of the clay (c) whether it floats

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