Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 354 · 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.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) small test objects (c) a battery cell (d) a mirror
2. 2.🧺 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 magnet (d) a towel for spills
3. 3.⚖️ 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
4. 4.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) wipe up spills at once (c) leave water on the floor (d) run around the tub
5. 5.🛟 Which of these sinks in water? (a) a dry leaf (b) an empty capped bottle (c) a glass marble (d) an ice-cream stick
6. 6.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False
7. 7.True or false: an empty capped bottle floats on water. (a) False (b) True
8. 8.True or false: a dry leaf floats on water. (a) True (b) False
9. 9.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
10. 10.🧺 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
11. 11.🔍 Which is the odd one out? (a) an empty capped bottle (b) a piece of thermocol (c) an ice cube (d) a ball of clay
12. 12.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
13. 13.🧺 Which of these is not needed for the float-or-sink test? (a) yeast (b) a towel for spills (c) small test objects (d) a results table
14. 14.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
15. 15.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
16. 16.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
17. 17.🌊 What pushes a floating cork upward? (a) the air above (b) the tub (c) the cork itself (d) the water
18. 18.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) small test objects (c) a results table (d) a towel for spills
19. 19.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) a tub of water (d) a balloon
20. 20.True or false: a coin floats on water. (a) True (b) False
21. 21.⚖️ 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
22. 22.🔍 Which is the odd one out? (a) an ice-cream stick (b) a piece of thermocol (c) a cork (d) a metal key
23. 23.True or false: a steel spoon sinks in water. (a) False (b) True
24. 24.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it sinks (c) it still floats (d) it turns white
25. 25.🔍 Which is the odd one out? (a) a feather (b) an ice cube (c) an ice-cream stick (d) a pebble
26. 26.🔍 Which is the odd one out? (a) a piece of thermocol (b) an ice cube (c) a steel spoon (d) a dry leaf
27. 27.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to win a prize (c) to hide the corks (d) to keep children safe
28. 28.⚖️ 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
29. 29.🛟 Which of these sinks in water? (a) a feather (b) a piece of thermocol (c) a ball of clay (d) an ice cube
30. 30.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
31. 31.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
32. 32.True or false: a battery cell is not needed for the float-or-sink test. (a) False (b) True
33. 33.🧺 Do we need yeast for the float-or-sink test? (a) not needed (b) needed
34. 34.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) small test objects (d) turmeric powder
35. 35.True or false: a ball of clay sinks in water. (a) True (b) False
36. 36.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it sinks (b) it floats higher (c) it turns blue (d) it melts
37. 37.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a coin (c) an ice cube (d) an ice-cream stick
38. 38.⚖️ 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 keep it the same (b) we measure it (c) we change it
39. 39.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) a results table (c) a towel for spills (d) a tub of water
40. 40.⚖️ 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 shape of the clay (b) the tub of water (c) the amount of clay (d) the kind of clay

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