Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 854 · 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.🔍 Which is the odd one out? (a) a steel spoon (b) a feather (c) a ping-pong ball (d) an empty capped bottle
2. 2.⚖️ 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 keep it the same (b) we change it (c) we measure it
3. 3.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
4. 4.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it sinks (b) it turns blue (c) it melts (d) it floats higher
5. 5.🧺 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) small test objects (d) turmeric powder
6. 6.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a few ice cubes (c) lots of salt stirred in (d) a little shaking
7. 7.⚖️ 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 measure it (b) we keep it the same (c) we change it
8. 8.🔍 Which is the odd one out? (a) a ball of clay (b) a cork (c) a glass marble (d) a metal key
9. 9.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is what we measure. (a) False (b) True
10. 10.🛟 Does a piece of thermocol float or sink in water? (a) floats (b) sinks
11. 11.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a cork (c) an ice cube (d) an iron nail
12. 12.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) play near a deep pond (c) leave water on the floor (d) wipe up spills at once
13. 13.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a results table (c) a battery cell (d) a magnet
14. 14.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to hide the corks (c) to win a prize (d) to splash everyone
15. 15.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
16. 16.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
17. 17.🧺 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) a balloon
18. 18.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a tub of water (c) turmeric powder (d) a mirror
19. 19.🧊 Why does an ice cube float on water? (a) ice is very cold (b) ice is less dense (c) ice is magnetic (d) water is sticky
20. 20.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is kept the same. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) an empty capped bottle (b) a cork (c) an iron nail (d) a feather
22. 22.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a tub of water (c) a mirror (d) a towel for spills
23. 23.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a balloon (c) a results table (d) a towel for spills
24. 24.🛟 Does a coin float or sink in water? (a) floats (b) sinks
25. 25.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
26. 26.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
27. 27.⚖️ 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
28. 28.🔮 A cork floats in tap water. What happens in very salty water? (a) it still floats (b) it sinks (c) it turns white (d) it dissolves
29. 29.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) small test objects (c) a battery cell (d) yeast
30. 30.⚖️ 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 change it (b) we measure it (c) we keep it the same
31. 31.⚖️ 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 kind of clay (c) the shape of the clay (d) the amount of clay
32. 32.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it turns to stone (c) it can float (d) it sinks faster
33. 33.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it sinks (c) it floats (d) it bounces up
34. 34.🔍 Which is the odd one out? (a) a cork (b) a piece of thermocol (c) an empty capped bottle (d) a coin
35. 35.True or false: an ice-cream stick sinks in water. (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) a dry leaf (b) a ball of clay (c) an ice cube (d) a piece of thermocol
37. 37.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a battery cell (c) a mirror (d) a towel for spills
38. 38.🔮 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
39. 39.⚖️ 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
40. 40.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False

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