Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 804 · 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 a towel for spills for the float-or-sink test? (a) needed (b) not needed
2. 2.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the shape of the clay is kept the same. (a) False (b) True
3. 3.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) turmeric powder (b) small test objects (c) a tub of water (d) a towel for spills
4. 4.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it turns to stone (c) it sinks faster (d) it can float
5. 5.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
6. 6.⚖️ 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 keep it the same (b) we change it (c) we measure it
7. 7.🛟 Which of these floats on water? (a) a coin (b) a pebble (c) a steel spoon (d) a ping-pong ball
8. 8.🔍 Which is the odd one out? (a) a pebble (b) a ping-pong ball (c) a coin (d) an iron nail
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 change it (b) we keep it the same (c) we measure it
10. 10.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to splash everyone (b) to win a prize (c) to keep children safe (d) to hide the corks
11. 11.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) turmeric powder (c) a battery cell (d) a towel for spills
12. 12.True or false: a ping-pong ball floats on water. (a) False (b) True
13. 13.⚖️ 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 amount of clay (b) the tub of water (c) whether it floats (d) the shape of the clay
14. 14.True or false: a tub of water is not needed for the float-or-sink test. (a) True (b) False
15. 15.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) water is sticky (c) ice is less dense (d) ice is very cold
16. 16.⚖️ 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
17. 17.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) small test objects (c) a towel for spills (d) a balloon
18. 18.🛟 Which of these floats on water? (a) a pebble (b) a glass marble (c) a dry leaf (d) a metal key
19. 19.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
20. 20.⚖️ 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 change it (b) we measure it (c) we keep it the same
21. 21.⚖️ 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
22. 22.🧺 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 magnet (d) a towel for spills
23. 23.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
24. 24.True or false: a steel spoon sinks in water. (a) False (b) True
25. 25.🧺 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 towel for spills (d) a balloon
26. 26.🔍 Which is the odd one out? (a) a coin (b) a steel spoon (c) a pebble (d) an empty capped bottle
27. 27.🛟 Does a piece of thermocol 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) the amount of clay (b) whether it floats (c) the kind of clay (d) the tub of water
29. 29.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a piece of thermocol (c) an ice cube (d) an iron nail
30. 30.🔍 Which is the odd one out? (a) a ball of clay (b) an ice cube (c) a glass marble (d) a pebble
31. 31.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it melts (b) it sinks (c) it floats higher (d) it turns blue
32. 32.🌊 What pushes a floating cork upward? (a) the tub (b) the water (c) the cork itself (d) the air above
33. 33.🔮 A cork floats in tap water. What happens in very salty water? (a) it dissolves (b) it sinks (c) it still floats (d) it turns white
34. 34.True or false: an ice cube sinks in water. (a) False (b) True
35. 35.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a results table (c) a mirror (d) a tub of water
36. 36.True or false: yeast is not needed for the float-or-sink test. (a) True (b) False
37. 37.🛟 Which is the safe way to do the float-or-sink test? (a) run around the tub (b) leave water on the floor (c) wipe up spills at once (d) play near a deep pond
38. 38.⚖️ 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
39. 39.🔍 Which is the odd one out? (a) an empty capped bottle (b) an ice cube (c) an ice-cream stick (d) a coin
40. 40.🛟 Does an ice-cream stick float or sink in water? (a) floats (b) sinks

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