Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 991 · 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? Which of these is kept the same? (a) the tub of water (b) the shape of the clay (c) whether it floats
2. 2.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) neither of them (c) both of them (d) the small pebble
3. 3.⚖️ 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
4. 4.🌊 What pushes a floating cork upward? (a) the tub (b) the cork itself (c) the water (d) the air above
5. 5.⚖️ 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
6. 6.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
7. 7.🛟 Which of these floats on water? (a) a metal key (b) a glass marble (c) a coin (d) an ice-cream stick
8. 8.⚖️ 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 measure it (c) we change it
9. 9.⚖️ 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) False (b) True
10. 10.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) turmeric powder (c) a mirror (d) yeast
11. 11.True or false: a piece of thermocol sinks in water. (a) False (b) True
12. 12.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is what we measure. (a) True (b) False
13. 13.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) a magnet (d) a towel for spills
14. 14.🔍 Which is the odd one out? (a) a piece of thermocol (b) a dry leaf (c) a ping-pong ball (d) a metal key
15. 15.🔍 Which is the odd one out? (a) a pebble (b) an iron nail (c) a piece of thermocol (d) a steel spoon
16. 16.True or false: a balloon is needed for the float-or-sink test. (a) False (b) True
17. 17.🛟 Which of these floats on water? (a) a pebble (b) a steel spoon (c) a glass marble (d) a dry leaf
18. 18.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a magnet (c) a towel for spills (d) a results table
19. 19.🛟 Which of these floats on water? (a) a metal key (b) an ice cube (c) an iron nail (d) a glass marble
20. 20.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) a balloon (d) small test objects
21. 21.🔍 Which is the odd one out? (a) a glass marble (b) an iron nail (c) a pebble (d) a feather
22. 22.🛟 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
23. 23.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks
24. 24.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to splash everyone (c) to win a prize (d) to hide the corks
25. 25.⚖️ 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) whether it floats (c) the shape of the clay (d) the amount of clay
26. 26.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
27. 27.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
28. 28.⚖️ 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 measure it (c) we change it
29. 29.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
30. 30.🛟 Does an iron nail float or sink in water? (a) sinks (b) floats
31. 31.True or false: a piece of thermocol floats on water. (a) True (b) False
32. 32.True or false: a magnet is not needed for the float-or-sink test. (a) False (b) True
33. 33.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it still floats (c) it turns white (d) it sinks
34. 34.True or false: a ping-pong ball floats on water. (a) True (b) False
35. 35.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
36. 36.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the tub of water (b) the kind of clay (c) whether it floats (d) the shape of the clay
37. 37.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
38. 38.🧺 Do we need a battery cell for the float-or-sink test? (a) needed (b) not needed
39. 39.🛟 Which of these sinks in water? (a) a piece of thermocol (b) an empty capped bottle (c) an ice cube (d) a ball of clay
40. 40.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True

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