Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 377 · 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.⚖️ 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
2. 2.🛟 Which of these floats on water? (a) a glass marble (b) an ice-cream stick (c) a pebble (d) a steel spoon
3. 3.⚖️ 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) False (b) True
4. 4.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
5. 5.⚖️ 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
6. 6.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it dissolves (c) it sinks (d) it bounces up
7. 7.⚖️ 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) whether it floats (c) the shape of the clay
8. 8.🛟 Does a ping-pong ball float or sink in water? (a) sinks (b) floats
9. 9.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) yeast (c) a results table (d) small test objects
10. 10.True or false: a tub of water is not needed for the float-or-sink test. (a) True (b) False
11. 11.🧺 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 battery cell (d) small test objects
12. 12.⚖️ 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) the shape of the clay (c) the amount of clay (d) the kind of clay
13. 13.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a tub of water (c) a results table (d) a balloon
14. 14.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
15. 15.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it dissolves (c) it still floats (d) it sinks
16. 16.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
17. 17.🛟 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
18. 18.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it turns blue (c) it floats higher (d) it sinks
19. 19.🛟 Which of these sinks in water? (a) a cork (b) an ice-cream stick (c) a feather (d) a pebble
20. 20.🔍 Which is the odd one out? (a) a feather (b) a dry leaf (c) an iron nail (d) a cork
21. 21.⚖️ 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
22. 22.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) the big log (c) both of them (d) neither of them
23. 23.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
24. 24.🛟 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
25. 25.⚖️ 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) the shape of the clay (d) whether it floats
26. 26.True or false: a mirror is not needed for the float-or-sink test. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) an ice cube (b) an iron nail (c) a steel spoon (d) a ball of clay
28. 28.🔍 Which is the odd one out? (a) a cork (b) a feather (c) a pebble (d) an empty capped bottle
29. 29.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
30. 30.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a towel for spills (c) turmeric powder (d) a results table
31. 31.⚖️ 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) True (b) False
32. 32.⚖️ 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
33. 33.⚖️ 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) True (b) False
34. 34.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
35. 35.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is the one thing we change. (a) True (b) False
36. 36.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False
37. 37.🥚 A fresh egg sinks in plain water. What makes it float? (a) a little shaking (b) more plain water (c) lots of salt stirred in (d) a few ice cubes
38. 38.🛟 Does a dry leaf float or sink in water? (a) floats (b) sinks
39. 39.🧺 Which of these is not needed for the float-or-sink test? (a) a mirror (b) small test objects (c) a towel for spills (d) a tub of water
40. 40.🔍 Which is the odd one out? (a) a ping-pong ball (b) an empty capped bottle (c) a cork (d) a coin

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