Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 639 · 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 battery cell is needed for the float-or-sink test. (a) True (b) False
2. 2.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a tub of water (c) turmeric powder (d) a battery cell
3. 3.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) small test objects (c) a tub of water (d) yeast
4. 4.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is the one thing we change? (a) whether it floats (b) the kind of clay (c) the shape of the clay (d) the amount of clay
5. 5.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) small test objects (c) a towel for spills (d) a mirror
6. 6.🔍 Which is the odd one out? (a) an ice-cream stick (b) a ball of clay (c) a cork (d) a ping-pong ball
7. 7.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is the one thing we change. (a) True (b) False
8. 8.True or false: a feather sinks in water. (a) False (b) True
9. 9.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it sinks (c) it turns white (d) it still floats
10. 10.⚖️ 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
11. 11.🌊 What pushes a floating cork upward? (a) the cork itself (b) the air above (c) the water (d) the tub
12. 12.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) small test objects (d) a balloon
13. 13.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) leave water on the floor (c) play near a deep pond (d) wipe up spills at once
14. 14.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
15. 15.🧺 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 battery cell (d) small test objects
16. 16.🔍 Which is the odd one out? (a) a coin (b) an iron nail (c) an empty capped bottle (d) a pebble
17. 17.⚖️ 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 change it (b) we keep it the same (c) we measure it
18. 18.True or false: a tub of water is not needed for the float-or-sink test. (a) True (b) False
19. 19.⚖️ 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 amount of clay (c) the shape of the clay (d) whether it floats
20. 20.True or false: a balloon is not needed for the float-or-sink test. (a) True (b) False
21. 21.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
22. 22.True or false: a coin floats on water. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) a metal key (b) a piece of thermocol (c) an ice-cream stick (d) a ping-pong ball
24. 24.🔍 Which is the odd one out? (a) an empty capped bottle (b) a glass marble (c) a feather (d) a dry leaf
25. 25.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
26. 26.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a magnet (c) a results table (d) a tub of water
27. 27.🔍 Which is the odd one out? (a) a steel spoon (b) a piece of thermocol (c) an ice-cream stick (d) a feather
28. 28.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
29. 29.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
30. 30.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
31. 31.True or false: an iron nail floats on water. (a) True (b) False
32. 32.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a magnet (c) a results table (d) small test objects
33. 33.🛟 Does a cork float or sink in water? (a) sinks (b) floats
34. 34.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) yeast (c) a mirror (d) a results table
35. 35.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to hide the corks (c) to keep children safe (d) to win a prize
36. 36.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a towel for spills (c) a mirror (d) a tub of water
37. 37.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a mirror (c) a towel for spills (d) a balloon
38. 38.🛟 Which of these floats on water? (a) a steel spoon (b) a pebble (c) a piece of thermocol (d) a coin
39. 39.🛟 Which of these floats on water? (a) a coin (b) a pebble (c) a feather (d) a steel spoon
40. 40.True or false: a cork sinks in water. (a) False (b) True

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