Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 495 · 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.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a magnet (c) a results table (d) a towel for spills
2. 2.🛟 Does a cork float or sink in water? (a) sinks (b) floats
3. 3.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
4. 4.⚖️ 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
5. 5.🧺 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) small test objects (d) a tub of water
6. 6.🔍 Which is the odd one out? (a) a coin (b) a glass marble (c) a ball of clay (d) an ice-cream stick
7. 7.⚖️ 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) whether it floats
8. 8.True or false: a towel for spills is needed for the float-or-sink test. (a) False (b) True
9. 9.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a results table (c) a towel for spills (d) a balloon
10. 10.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats
11. 11.🔍 Which is the odd one out? (a) a feather (b) a piece of thermocol (c) a steel spoon (d) a cork
12. 12.🔍 Which is the odd one out? (a) a steel spoon (b) a ping-pong ball (c) a pebble (d) a metal key
13. 13.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to keep children safe (c) to splash everyone (d) to hide the corks
14. 14.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) yeast (c) small test objects (d) a towel for spills
15. 15.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) it has a magnet (c) sea water is warm (d) its hollow shape
16. 16.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
17. 17.⚖️ 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
18. 18.⚖️ 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 keep it the same (c) we measure it
19. 19.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) turmeric powder (c) a towel for spills (d) a mirror
20. 20.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
21. 21.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) wipe up spills at once (c) play near a deep pond (d) run around the tub
22. 22.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a battery cell (c) small test objects (d) a tub of water
23. 23.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
24. 24.🛟 Which of these sinks in water? (a) a ping-pong ball (b) a ball of clay (c) a cork (d) an empty capped bottle
25. 25.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True
26. 26.🔍 You drop a coin into a tub of water. What do you see? (a) it dissolves (b) it floats (c) it bounces up (d) it sinks
27. 27.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
28. 28.🛟 Does an empty capped bottle float or sink in water? (a) sinks (b) floats
29. 29.🛟 Which of these sinks in water? (a) a coin (b) a cork (c) an ice cube (d) a feather
30. 30.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the amount of clay (b) the shape of the clay (c) whether it floats
31. 31.🔮 A cork floats in tap water. What happens in very salty water? (a) it still floats (b) it dissolves (c) it turns white (d) it sinks
32. 32.⚖️ 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 change it (b) we measure it (c) we keep it the same
33. 33.🛟 Which of these floats on water? (a) a coin (b) an iron nail (c) a ball of clay (d) a feather
34. 34.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is the one thing we change. (a) True (b) False
35. 35.🌊 What pushes a floating cork upward? (a) the tub (b) the water (c) the air above (d) the cork itself
36. 36.🔍 Which is the odd one out? (a) a dry leaf (b) a ping-pong ball (c) a piece of thermocol (d) a coin
37. 37.⚖️ 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 keep it the same (b) we change it (c) we measure it
38. 38.⚖️ 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) False (b) True
39. 39.🧺 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 battery cell (d) small test objects
40. 40.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) turmeric powder (c) small test objects (d) a towel for spills

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