Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 576 · 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? True or false: the kind of clay is what we measure. (a) True (b) False
2. 2.⚖️ 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 measure it (c) we keep it the same
3. 3.⚖️ 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 measure it (b) we keep it the same (c) we change it
4. 4.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) whether it floats (b) the kind of clay (c) the amount of clay (d) the shape of the clay
5. 5.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a results table (c) a mirror (d) a balloon
6. 6.🛟 Which of these sinks in water? (a) a feather (b) a dry leaf (c) a ball of clay (d) a ping-pong ball
7. 7.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) yeast (c) a tub of water (d) a towel for spills
8. 8.🛟 Does a glass marble float or sink in water? (a) sinks (b) floats
9. 9.🔍 Which is the odd one out? (a) an ice-cream stick (b) a cork (c) a metal key (d) a ping-pong ball
10. 10.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a towel for spills (c) small test objects (d) a magnet
11. 11.⚖️ 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 kind of clay (b) the shape of the clay (c) the amount of clay (d) the tub of water
12. 12.🛟 Which of these floats on water? (a) a glass marble (b) a ping-pong ball (c) a steel spoon (d) a pebble
13. 13.🧊 Why does an ice cube float on water? (a) ice is very cold (b) water is sticky (c) ice is magnetic (d) ice is less dense
14. 14.⚖️ 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 change it (c) we measure it
15. 15.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to splash everyone (c) to hide the corks (d) to keep children safe
16. 16.🔍 Which is the odd one out? (a) an iron nail (b) a steel spoon (c) an empty capped bottle (d) a pebble
17. 17.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it dissolves (c) it floats (d) it sinks
18. 18.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it can float (c) it sinks faster (d) it dissolves
19. 19.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it turns white (c) it dissolves (d) it still floats
20. 20.🛟 Which of these sinks in water? (a) a cork (b) an empty capped bottle (c) an ice cube (d) a metal key
21. 21.🔍 Which is the odd one out? (a) an iron nail (b) an ice cube (c) a ping-pong ball (d) an empty capped bottle
22. 22.True or false: a steel spoon floats on water. (a) True (b) False
23. 23.True or false: an ice cube floats on water. (a) True (b) False
24. 24.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
25. 25.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
26. 26.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a mirror (c) a towel for spills (d) small test objects
27. 27.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) whether it floats (b) the shape of the clay (c) the tub of water
28. 28.⚖️ 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) True (b) False
29. 29.True or false: a balloon is needed for the float-or-sink test. (a) False (b) True
30. 30.🛟 Does a coin float or sink in water? (a) sinks (b) floats
31. 31.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) run around the tub (c) leave water on the floor (d) play near a deep pond
32. 32.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a results table (c) a magnet (d) a tub of water
33. 33.🔍 Which is the odd one out? (a) a steel spoon (b) a ping-pong ball (c) a dry leaf (d) a cork
34. 34.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) the small pebble (c) both of them (d) neither of them
35. 35.🧺 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 battery cell (d) a tub of water
36. 36.🧺 Do we need a results table for the float-or-sink test? (a) needed (b) not needed
37. 37.🔍 Which is the odd one out? (a) a metal key (b) a ping-pong ball (c) a pebble (d) a steel spoon
38. 38.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
39. 39.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
40. 40.🛟 Does a ball of clay float or sink in water? (a) sinks (b) floats

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