Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 329 · 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.True or false: a results table is not needed for the float-or-sink test. (a) False (b) True
2. 2.⚖️ 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 change it (b) we measure it (c) we keep it the same
3. 3.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
4. 4.True or false: a balloon is not needed for the float-or-sink test. (a) False (b) True
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 keep it the same (c) we measure it
6. 6.True or false: small test objects is not needed for the float-or-sink test. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) an empty capped bottle (b) a steel spoon (c) a coin (d) a ball of clay
8. 8.True or false: a towel for spills is not needed for the float-or-sink test. (a) True (b) False
9. 9.🔮 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 can float (d) it turns to stone
10. 10.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a battery cell (b) a towel for spills (c) small test objects (d) a tub of water
11. 11.🔍 Which is the odd one out? (a) a coin (b) a metal key (c) an ice-cream stick (d) a pebble
12. 12.True or false: a tub of water is needed for the float-or-sink test. (a) True (b) False
13. 13.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a mirror (c) small test objects (d) a tub of water
14. 14.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is kept the same. (a) False (b) True
15. 15.⚖️ 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) the shape of the clay (d) whether it floats
16. 16.🛟 Does a feather float or sink in water? (a) sinks (b) floats
17. 17.⚖️ 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 amount of clay (b) whether it floats (c) the shape of the clay (d) the kind of clay
18. 18.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the kind of clay (b) whether it floats (c) the shape of the clay
19. 19.True or false: a mirror is needed for the float-or-sink test. (a) False (b) True
20. 20.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to win a prize (c) to hide the corks (d) to splash everyone
21. 21.⚖️ 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) False (b) True
22. 22.🛟 Which of these sinks in water? (a) a ping-pong ball (b) a ball of clay (c) a dry leaf (d) a cork
23. 23.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) leave water on the floor (c) wipe up spills at once (d) play near a deep pond
24. 24.🔍 Which is the odd one out? (a) a cork (b) a feather (c) a pebble (d) an empty capped bottle
25. 25.True or false: a balloon is needed for the float-or-sink test. (a) False (b) True
26. 26.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) yeast (c) small test objects (d) turmeric powder
27. 27.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a tub of water (c) a mirror (d) a magnet
28. 28.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
29. 29.True or false: a piece of thermocol sinks in water. (a) False (b) True
30. 30.🧊 Why does an ice cube float on water? (a) ice is less dense (b) ice is magnetic (c) water is sticky (d) ice is very cold
31. 31.🔍 Which is the odd one out? (a) an ice-cream stick (b) a ping-pong ball (c) a ball of clay (d) an empty capped bottle
32. 32.🔍 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
33. 33.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) the big log (c) the small pebble (d) both of them
34. 34.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
35. 35.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
36. 36.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) yeast (c) a results table (d) a mirror
37. 37.🛟 Which of these sinks in water? (a) a coin (b) a dry leaf (c) a feather (d) an ice-cream stick
38. 38.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is the one thing we change. (a) True (b) False
39. 39.True or false: a cork sinks in water. (a) False (b) True
40. 40.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is what we measure. (a) False (b) True

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