Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 840 · 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? What do we do with “the shape of the clay”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) yeast (c) a towel for spills (d) small test objects
3. 3.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) run around the tub (c) leave water on the floor (d) play near a deep pond
4. 4.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a results table (c) a battery cell (d) a tub of water
5. 5.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
6. 6.🧺 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) small test objects (d) a balloon
7. 7.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) whether it floats (b) the amount of clay (c) the shape of the clay
9. 9.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) a tub of water (c) a towel for spills (d) small test objects
10. 10.⚖️ 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 tub of water (c) whether it floats (d) the shape of the clay
11. 11.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it sinks faster (c) it turns to stone (d) it can float
12. 12.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
13. 13.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
14. 14.🔮 A cork floats in tap water. What happens in very salty water? (a) it still floats (b) it turns white (c) it dissolves (d) it sinks
15. 15.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
16. 16.🔍 Which is the odd one out? (a) a steel spoon (b) an ice-cream stick (c) a metal key (d) a pebble
17. 17.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
18. 18.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) both of them (c) the small pebble (d) the big log
19. 19.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
20. 20.🔍 Which is the odd one out? (a) a coin (b) a pebble (c) a steel spoon (d) an ice cube
21. 21.🌊 What pushes a floating cork upward? (a) the air above (b) the cork itself (c) the tub (d) the water
22. 22.⚖️ 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
23. 23.⚖️ 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 keep it the same (c) we measure it
24. 24.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
25. 25.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) a results table (c) a tub of water (d) a towel for spills
26. 26.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to hide the corks (c) to keep children safe (d) to win a prize
27. 27.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
28. 28.True or false: a glass marble sinks in water. (a) False (b) True
29. 29.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
30. 30.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) yeast (c) a balloon (d) a results table
31. 31.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) a cork (b) an ice-cream stick (c) a metal key (d) a dry leaf
33. 33.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
34. 34.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a tub of water (c) a towel for spills (d) yeast
35. 35.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) its hollow shape (c) steel is very light (d) it has a magnet
36. 36.True or false: turmeric powder is not needed for the float-or-sink test. (a) False (b) True
37. 37.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is the one thing we change. (a) False (b) True
38. 38.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a balloon (c) a tub of water (d) a mirror
39. 39.True or false: a mirror is needed for the float-or-sink test. (a) False (b) True
40. 40.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed

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