Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 993 · 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.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to keep children safe (c) to win a prize (d) to hide the corks
2. 2.⚖️ 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 measure it (c) we change it
3. 3.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a battery cell (b) a tub of water (c) a results table (d) small test objects
4. 4.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the shape of the clay (b) the kind of clay (c) the tub of water (d) whether it floats
5. 5.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
6. 6.🛟 Which of these floats on water? (a) a steel spoon (b) a metal key (c) a feather (d) an iron nail
7. 7.⚖️ 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
8. 8.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
9. 9.🔍 Which is the odd one out? (a) an empty capped bottle (b) a piece of thermocol (c) a coin (d) an ice-cream stick
10. 10.🛟 Which of these floats on water? (a) a ball of clay (b) a pebble (c) a metal key (d) a ping-pong ball
11. 11.🚢 Why can a heavy steel ship float on the sea? (a) steel is very light (b) its hollow shape (c) sea water is warm (d) it has a magnet
12. 12.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) leave water on the floor (c) wipe up spills at once (d) play near a deep pond
13. 13.🌊 What pushes a floating cork upward? (a) the tub (b) the water (c) the cork itself (d) the air above
14. 14.⚖️ 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 keep it the same (c) we measure it
15. 15.🔍 You drop a coin into a tub of water. What do you see? (a) it sinks (b) it bounces up (c) it dissolves (d) it floats
16. 16.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
17. 17.⚖️ 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
18. 18.True or false: a tub of water is not needed for the float-or-sink test. (a) True (b) False
19. 19.🧺 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) yeast
20. 20.🛟 Does a steel spoon float or sink in water? (a) sinks (b) floats
21. 21.True or false: a results table is not needed for the float-or-sink test. (a) False (b) True
22. 22.🧺 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) a tub of water (d) turmeric powder
23. 23.⚖️ 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
24. 24.True or false: a cork floats on water. (a) True (b) False
25. 25.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
26. 26.🧺 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 results table (d) a magnet
27. 27.⚖️ 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
28. 28.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
29. 29.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a battery cell (c) a results table (d) a mirror
30. 30.🧊 Why does an ice cube float on water? (a) ice is less dense (b) water is sticky (c) ice is very cold (d) ice is magnetic
31. 31.🧺 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
32. 32.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
33. 33.🛟 Which of these sinks in water? (a) a feather (b) an ice cube (c) a coin (d) an ice-cream stick
34. 34.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it still floats (c) it turns white (d) it dissolves
35. 35.⚖️ 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 shape of the clay (c) whether it floats (d) the kind of clay
36. 36.🛟 Does a coin float or sink in water? (a) sinks (b) floats
37. 37.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
38. 38.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a towel for spills (c) a battery cell (d) a balloon
39. 39.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a towel for spills (c) a tub of water (d) turmeric powder
40. 40.⚖️ 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) False (b) True

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