Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 635 · 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 magnet (b) small test objects (c) yeast (d) a battery cell
2. 2.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) yeast (c) a magnet (d) a towel for spills
3. 3.True or false: a magnet is needed for the float-or-sink test. (a) True (b) False
4. 4.🔍 Which is the odd one out? (a) a metal key (b) an ice-cream stick (c) a pebble (d) a ball of clay
5. 5.🛟 Which of these sinks in water? (a) a dry leaf (b) an iron nail (c) a piece of thermocol (d) an ice-cream stick
6. 6.⚖️ 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
7. 7.🔍 Which is the odd one out? (a) a ball of clay (b) a coin (c) a pebble (d) an empty capped bottle
8. 8.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) small test objects (c) a tub of water (d) yeast
9. 9.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we keep it the same (b) we change it (c) we measure it
10. 10.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a magnet (b) small test objects (c) a tub of water (d) a results table
11. 11.True or false: a dry leaf sinks in water. (a) False (b) True
12. 12.🛟 Which of these floats on water? (a) a ping-pong ball (b) a steel spoon (c) a pebble (d) a coin
13. 13.⚖️ 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 change it (b) we keep it the same (c) we measure it
14. 14.⚖️ 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 kind of clay (d) the amount of clay
15. 15.🌊 What pushes a floating cork upward? (a) the air above (b) the water (c) the tub (d) the cork itself
16. 16.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) run around the tub (c) wipe up spills at once (d) leave water on the floor
17. 17.True or false: a battery cell is not needed for the float-or-sink test. (a) True (b) False
18. 18.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the kind of clay (b) the shape of the clay (c) whether it floats (d) the tub of water
19. 19.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the shape of the clay (b) whether it floats (c) the tub of water
20. 20.⚖️ 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 measure it (b) we keep it the same (c) we change it
21. 21.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the small pebble (b) neither of them (c) the big log (d) both of them
22. 22.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the shape of the clay (b) the kind of clay (c) whether it floats
23. 23.🛟 Which of these sinks in water? (a) an empty capped bottle (b) a steel spoon (c) an ice cube (d) a ping-pong ball
24. 24.🧺 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 battery cell
25. 25.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
26. 26.True or false: an iron nail sinks in water. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) a metal key (b) a pebble (c) a steel spoon (d) a feather
28. 28.🛟 Does a cork float or sink in water? (a) floats (b) sinks
29. 29.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
30. 30.True or false: a mirror is needed for the float-or-sink test. (a) False (b) True
31. 31.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
32. 32.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
33. 33.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a towel for spills (c) a magnet (d) a tub of water
34. 34.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a little shaking (c) lots of salt stirred in (d) a few ice cubes
35. 35.True or false: a balloon is not needed for the float-or-sink test. (a) False (b) True
36. 36.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to keep children safe (c) to win a prize (d) to splash everyone
37. 37.🔍 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
38. 38.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
39. 39.True or false: a ping-pong ball sinks in water. (a) False (b) True
40. 40.⚖️ 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 amount of clay (c) the shape of the clay

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