Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 845 · 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 pebble floats on water. (a) False (b) True
2. 2.🛟 Which of these floats on water? (a) an iron nail (b) a glass marble (c) an ice-cream stick (d) a pebble
3. 3.🛟 Which of these floats on water? (a) a glass marble (b) a cork (c) a coin (d) a steel spoon
4. 4.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) turmeric powder (c) small test objects (d) a results table
5. 5.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
6. 6.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a tub of water (c) small test objects (d) turmeric powder
7. 7.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
8. 8.⚖️ 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
9. 9.🛟 Does a feather float or sink in water? (a) floats (b) sinks
10. 10.🛟 Which of these sinks in water? (a) a metal key (b) a feather (c) a cork (d) an ice-cream stick
11. 11.True or false: a dry leaf floats on water. (a) True (b) False
12. 12.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
13. 13.🛟 Which of these sinks in water? (a) a feather (b) a dry leaf (c) an iron nail (d) a ping-pong ball
14. 14.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) play near a deep pond (c) run around the tub (d) leave water on the floor
15. 15.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) lots of salt stirred in (c) a few ice cubes (d) a little shaking
16. 16.🔍 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
17. 17.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) small test objects (c) a tub of water (d) a balloon
18. 18.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) whether it floats (b) the tub of water (c) the amount of clay (d) the shape of the clay
19. 19.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a feather (c) an ice cube (d) a ball of clay
20. 20.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
21. 21.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to splash everyone (c) to hide the corks (d) to keep children safe
22. 22.🔍 Which is the odd one out? (a) a coin (b) an empty capped bottle (c) a pebble (d) an iron nail
23. 23.True or false: a feather sinks in water. (a) True (b) False
24. 24.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) neither of them (c) the small pebble (d) the big log
25. 25.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
26. 26.⚖️ 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) True (b) False
27. 27.⚖️ 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 change it (b) we measure it (c) we keep it the same
28. 28.🔍 Which is the odd one out? (a) a dry leaf (b) an empty capped bottle (c) an ice cube (d) a ball of clay
29. 29.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) yeast (b) small test objects (c) a tub of water (d) a towel for spills
30. 30.🔍 Which is the odd one out? (a) a feather (b) a glass marble (c) an empty capped bottle (d) a dry leaf
31. 31.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) steel is very light (c) sea water is warm (d) it has a magnet
32. 32.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a results table (c) a battery cell (d) a magnet
33. 33.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
34. 34.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it still floats (c) it dissolves (d) it turns white
35. 35.🔍 Which is the odd one out? (a) a pebble (b) a ball of clay (c) a steel spoon (d) a feather
36. 36.True or false: an ice cube sinks in water. (a) True (b) False
37. 37.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it can float (b) it dissolves (c) it turns to stone (d) it sinks faster
38. 38.True or false: small test objects is not needed for the float-or-sink test. (a) False (b) True
39. 39.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a mirror (c) a tub of water (d) a results table
40. 40.🔍 Which is the odd one out? (a) a cork (b) a steel spoon (c) a pebble (d) a metal key

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