Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 947 · 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 battery cell (b) a mirror (c) a magnet (d) a tub of water
2. 2.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) a magnet (d) small test objects
3. 3.True or false: turmeric powder is not needed for the float-or-sink test. (a) True (b) False
4. 4.🧺 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 mirror (d) a results table
5. 5.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a tub of water (c) a balloon (d) small test objects
6. 6.🔍 Which is the odd one out? (a) a metal key (b) an ice-cream stick (c) a pebble (d) an iron nail
7. 7.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) lots of salt stirred in (c) a few ice cubes (d) a little shaking
8. 8.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to win a prize (c) to splash everyone (d) to keep children safe
9. 9.⚖️ 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) True (b) False
10. 10.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a battery cell (c) a results table (d) small test objects
11. 11.⚖️ 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
12. 12.🛟 Which of these sinks in water? (a) a glass marble (b) an ice-cream stick (c) an empty capped bottle (d) a piece of thermocol
13. 13.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the tub of water (b) the shape of the clay (c) whether it floats
14. 14.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
15. 15.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
16. 16.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
17. 17.⚖️ 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 kind of clay
18. 18.⚖️ 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
19. 19.🔍 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
20. 20.🔍 Which is the odd one out? (a) a metal key (b) a coin (c) a steel spoon (d) a cork
21. 21.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
22. 22.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) neither of them (c) the big log (d) the small pebble
23. 23.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) small test objects (c) a results table (d) yeast
24. 24.🛟 Which of these floats on water? (a) a glass marble (b) a metal key (c) a dry leaf (d) a pebble
25. 25.🛟 Which of these floats on water? (a) a metal key (b) a piece of thermocol (c) an iron nail (d) a coin
26. 26.True or false: small test objects is not needed for the float-or-sink test. (a) True (b) False
27. 27.True or false: a mirror is needed for the float-or-sink test. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) an iron nail (b) a pebble (c) a metal key (d) a dry leaf
29. 29.🔍 Which is the odd one out? (a) a feather (b) a ball of clay (c) a cork (d) an ice cube
30. 30.🛟 Does a steel spoon float or sink in water? (a) sinks (b) floats
31. 31.⚖️ 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 keep it the same (b) we measure it (c) we change it
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.⚖️ 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 tub of water (b) the kind of clay (c) the shape of the clay (d) the amount of clay
34. 34.⚖️ 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 amount of clay (d) whether it floats
35. 35.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
36. 36.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
37. 37.🔍 Which is the odd one out? (a) a metal key (b) a pebble (c) a feather (d) an iron nail
38. 38.🛟 Which of these floats on water? (a) an iron nail (b) a metal key (c) an ice cube (d) a ball of clay
39. 39.🧊 Why does an ice cube float on water? (a) ice is very cold (b) ice is magnetic (c) water is sticky (d) ice is less dense
40. 40.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed

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