Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 433 · 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 yeast for the float-or-sink test? (a) not needed (b) needed
2. 2.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
3. 3.True or false: a dry leaf floats on water. (a) True (b) False
4. 4.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a results table (c) a magnet (d) small test objects
5. 5.True or false: small test objects is needed for the float-or-sink test. (a) True (b) False
6. 6.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) its hollow shape (c) it has a magnet (d) steel is very light
7. 7.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) small test objects (c) yeast (d) a towel for spills
8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is what we measure. (a) False (b) True
9. 9.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) ice is very cold (c) water is sticky (d) ice is less dense
10. 10.🔍 Which is the odd one out? (a) a metal key (b) a ball of clay (c) an empty capped bottle (d) a steel spoon
11. 11.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
12. 12.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
13. 13.🔍 Which is the odd one out? (a) a steel spoon (b) a coin (c) a ball of clay (d) a ping-pong ball
14. 14.🔍 Which is the odd one out? (a) a glass marble (b) a dry leaf (c) a coin (d) a pebble
15. 15.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a results table (c) a towel for spills (d) a mirror
16. 16.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
17. 17.🛟 Does a cork float or sink in water? (a) floats (b) sinks
18. 18.🔍 Which is the odd one out? (a) a pebble (b) a piece of thermocol (c) an ice cube (d) an empty capped bottle
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 kind of clay (b) whether it floats (c) the shape of the clay
20. 20.⚖️ 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 tub of water (c) the shape of the clay (d) the amount of clay
21. 21.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
22. 22.True or false: a ball of clay floats on water. (a) True (b) False
23. 23.True or false: a steel spoon sinks in water. (a) False (b) True
24. 24.⚖️ 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
25. 25.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to splash everyone (c) to hide the corks (d) to win a prize
26. 26.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
27. 27.🛟 Does a coin float or sink in water? (a) floats (b) sinks
28. 28.⚖️ 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 amount of clay (c) the kind of clay (d) the tub of water
29. 29.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
30. 30.🥚 A fresh egg sinks in plain water. What makes it float? (a) a few ice cubes (b) more plain water (c) a little shaking (d) lots of salt stirred in
31. 31.🔍 Which is the odd one out? (a) a ping-pong ball (b) a piece of thermocol (c) an empty capped bottle (d) a metal key
32. 32.⚖️ 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
33. 33.🛟 Which of these floats on water? (a) a glass marble (b) an iron nail (c) a cork (d) a metal key
34. 34.🔍 Which is the odd one out? (a) an ice-cream stick (b) a feather (c) an empty capped bottle (d) a ball of clay
35. 35.🧺 Do we need a mirror for the float-or-sink test? (a) needed (b) not needed
36. 36.True or false: a cork sinks in water. (a) True (b) False
37. 37.🧺 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 magnet
38. 38.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
39. 39.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
40. 40.⚖️ 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

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