Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 467 · 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.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
2. 2.True or false: a mirror is needed for the float-or-sink test. (a) False (b) True
3. 3.🛟 Which of these floats on water? (a) a glass marble (b) a metal key (c) an ice-cream stick (d) a coin
4. 4.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
5. 5.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to keep children safe (c) to splash everyone (d) to hide the corks
6. 6.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) a tub of water (c) small test objects (d) a results table
7. 7.🔮 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
8. 8.🔍 Which is the odd one out? (a) a ball of clay (b) a feather (c) a piece of thermocol (d) a cork
9. 9.🧺 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 results table (d) a battery cell
10. 10.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
11. 11.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is kept the same. (a) False (b) True
12. 12.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a magnet (c) a towel for spills (d) a tub of water
13. 13.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
14. 14.🔍 You drop a coin into a tub of water. What do you see? (a) it sinks (b) it dissolves (c) it floats (d) it bounces up
15. 15.🛟 Which of these floats on water? (a) a cork (b) a metal key (c) a pebble (d) a steel spoon
16. 16.⚖️ 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
17. 17.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) turmeric powder (c) a magnet (d) a towel for spills
18. 18.🧺 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) yeast (d) a towel for spills
19. 19.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) run around the tub (c) wipe up spills at once (d) play near a deep pond
20. 20.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) a mirror (d) a tub of water
21. 21.🛟 Which of these floats on water? (a) a ping-pong ball (b) a coin (c) a ball of clay (d) a pebble
22. 22.🛟 Which of these sinks in water? (a) a dry leaf (b) an iron nail (c) an ice-cream stick (d) a ping-pong ball
23. 23.True or false: a tub of water is not needed for the float-or-sink test. (a) True (b) False
24. 24.True or false: a results table is needed for the float-or-sink test. (a) False (b) True
25. 25.🧺 Do we need yeast for the float-or-sink test? (a) needed (b) not needed
26. 26.True or false: an empty capped bottle sinks in water. (a) False (b) True
27. 27.⚖️ 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) False (b) True
28. 28.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) whether it floats (b) the tub of water (c) the amount of clay (d) the shape of the clay
29. 29.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
30. 30.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
31. 31.🔍 Which is the odd one out? (a) a dry leaf (b) an ice cube (c) a cork (d) a pebble
32. 32.🔍 Which is the odd one out? (a) a metal key (b) a cork (c) a piece of thermocol (d) a feather
33. 33.🔮 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
34. 34.🛟 Which of these floats on water? (a) a coin (b) a piece of thermocol (c) a ball of clay (d) a steel spoon
35. 35.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is what we measure. (a) True (b) False
36. 36.True or false: an ice-cream stick sinks in water. (a) False (b) True
37. 37.True or false: a mirror is not needed for the float-or-sink test. (a) False (b) True
38. 38.⚖️ 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
39. 39.🛟 Which of these sinks in water? (a) a cork (b) a dry leaf (c) a ping-pong ball (d) a metal key
40. 40.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) small test objects (d) a battery cell

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