Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 792 · 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 towel for spills (d) small test objects
2. 2.⚖️ 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
3. 3.🛟 Does a coin float or sink in water? (a) floats (b) sinks
4. 4.True or false: a piece of thermocol sinks in water. (a) True (b) False
5. 5.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
6. 6.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
7. 7.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
8. 8.🛟 Which of these sinks in water? (a) a ping-pong ball (b) an ice cube (c) an ice-cream stick (d) an iron nail
9. 9.🛟 Which of these sinks in water? (a) a steel spoon (b) a feather (c) a cork (d) a piece of thermocol
10. 10.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
11. 11.🌊 What pushes a floating cork upward? (a) the air above (b) the cork itself (c) the water (d) the tub
12. 12.🛟 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
13. 13.⚖️ 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) the kind of clay (d) whether it floats
14. 14.🔍 Which is the odd one out? (a) a cork (b) a feather (c) a piece of thermocol (d) a steel spoon
15. 15.⚖️ 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
16. 16.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a tub of water (c) a towel for spills (d) yeast
17. 17.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) a metal key (b) a ping-pong ball (c) an empty capped bottle (d) a piece of thermocol
19. 19.⚖️ 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) True (b) False
20. 20.🛟 Which of these floats on water? (a) a metal key (b) a feather (c) a pebble (d) a steel spoon
21. 21.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a balloon (c) a results table (d) a tub of water
22. 22.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is kept the same. (a) True (b) False
23. 23.🛟 Which of these sinks in water? (a) a ping-pong ball (b) a glass marble (c) a cork (d) an ice-cream stick
24. 24.⚖️ 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 keep it the same (c) we measure it
25. 25.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it floats higher (b) it turns blue (c) it sinks (d) it melts
26. 26.⚖️ 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
27. 27.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) leave water on the floor (c) run around the tub (d) wipe up spills at once
28. 28.True or false: a ball of clay floats on water. (a) True (b) False
29. 29.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
30. 30.⚖️ 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 keep it the same (c) we measure it
31. 31.True or false: a balloon is not needed for the float-or-sink test. (a) False (b) True
32. 32.🧺 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) small test objects (d) a balloon
33. 33.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
34. 34.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
35. 35.True or false: yeast is not needed for the float-or-sink test. (a) False (b) True
36. 36.True or false: an ice-cream stick floats on water. (a) True (b) False
37. 37.🔍 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
38. 38.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) ice is very cold (c) ice is less dense (d) water is sticky
39. 39.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a tub of water (c) turmeric powder (d) a towel for spills
40. 40.🛟 Does a cork float or sink in water? (a) floats (b) sinks

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