Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 304 · 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.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to win a prize (c) to splash everyone (d) to hide the corks
2. 2.🛟 Which of these floats on water? (a) an ice-cream stick (b) a steel spoon (c) a ball of clay (d) a pebble
3. 3.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) neither of them (c) both of them (d) the small pebble
4. 4.⚖️ 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 amount of clay
5. 5.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a results table (c) a towel for spills (d) turmeric powder
6. 6.🔍 Which is the odd one out? (a) a ping-pong ball (b) an ice-cream stick (c) a coin (d) an empty capped bottle
7. 7.True or false: an ice-cream stick floats on water. (a) False (b) True
8. 8.🛟 Which of these floats on water? (a) a glass marble (b) a metal key (c) a dry leaf (d) a coin
9. 9.True or false: an ice cube floats on water. (a) True (b) False
10. 10.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it still floats (c) it sinks (d) it turns white
11. 11.True or false: a battery cell is not needed for the float-or-sink test. (a) False (b) True
12. 12.🧺 Which of these is needed for the float-or-sink test? (a) a tub of water (b) turmeric powder (c) yeast (d) a mirror
13. 13.⚖️ 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
14. 14.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a towel for spills (c) turmeric powder (d) a magnet
15. 15.🛟 Which of these sinks in water? (a) a feather (b) an empty capped bottle (c) a cork (d) a ball of clay
16. 16.⚖️ 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 tub of water (d) the shape of the clay
17. 17.⚖️ 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
18. 18.🌊 What pushes a floating cork upward? (a) the air above (b) the cork itself (c) the water (d) the tub
19. 19.🧺 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 battery cell (d) a tub of water
20. 20.🔍 Which is the odd one out? (a) a coin (b) a pebble (c) a ball of clay (d) an ice cube
21. 21.True or false: turmeric powder is needed for the float-or-sink test. (a) False (b) True
22. 22.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a tub of water (c) a towel for spills (d) a battery cell
23. 23.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) play near a deep pond (c) wipe up spills at once (d) leave water on the floor
24. 24.🧺 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) yeast (d) a tub of water
25. 25.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
26. 26.True or false: a steel spoon sinks in water. (a) False (b) True
27. 27.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
28. 28.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a magnet (b) a towel for spills (c) a results table (d) small test objects
29. 29.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) a battery cell (c) a magnet (d) a balloon
30. 30.🛟 Does a coin float or sink in water? (a) floats (b) sinks
31. 31.🧺 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) a results table
32. 32.True or false: an ice cube sinks in water. (a) True (b) False
33. 33.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is what we measure. (a) False (b) True
34. 34.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it sinks (c) it dissolves (d) it bounces up
35. 35.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it sinks faster (b) it can float (c) it dissolves (d) it turns to stone
36. 36.🔍 Which is the odd one out? (a) a glass marble (b) an empty capped bottle (c) an ice-cream stick (d) a cork
37. 37.🔍 Which is the odd one out? (a) a pebble (b) a ball of clay (c) a coin (d) a dry leaf
38. 38.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
39. 39.⚖️ 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) the shape of the clay (c) whether it floats
40. 40.True or false: a battery cell is needed for the float-or-sink test. (a) True (b) False

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