Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 732 · 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.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the amount of clay (b) whether it floats (c) the shape of the clay
2. 2.🧺 Which of these is not needed for the float-or-sink test? (a) turmeric powder (b) small test objects (c) a tub of water (d) a towel for spills
3. 3.⚖️ 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 shape of the clay (b) the tub of water (c) the amount of clay (d) the kind of clay
4. 4.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a results table (c) a towel for spills (d) yeast
5. 5.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it sinks (c) it still floats (d) it dissolves
6. 6.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) its hollow shape (c) steel is very light (d) it has a magnet
7. 7.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
8. 8.True or false: a cork floats on water. (a) False (b) True
9. 9.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
10. 10.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
11. 11.🛟 Which is the safe way to do the float-or-sink test? (a) play near a deep pond (b) wipe up spills at once (c) run around the tub (d) leave water on the floor
12. 12.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
13. 13.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a mirror (b) a towel for spills (c) a tub of water (d) a results table
14. 14.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to keep children safe (b) to hide the corks (c) to splash everyone (d) to win a prize
15. 15.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) a magnet (c) a results table (d) a mirror
16. 16.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the big log (c) the small pebble (d) neither of them
17. 17.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is the one thing we change. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) a metal key (b) a dry leaf (c) a coin (d) a ball of clay
19. 19.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it floats higher (b) it sinks (c) it melts (d) it turns blue
20. 20.🛟 Does a metal key float or sink in water? (a) sinks (b) floats
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) True (b) False
22. 22.True or false: a ball of clay floats on water. (a) False (b) True
23. 23.True or false: a metal key sinks in water. (a) True (b) False
24. 24.True or false: a steel spoon sinks in water. (a) False (b) True
25. 25.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a magnet (c) small test objects (d) a balloon
26. 26.⚖️ 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
27. 27.🧺 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) small test objects (d) turmeric powder
28. 28.🛟 Which of these sinks in water? (a) an ice cube (b) an iron nail (c) a piece of thermocol (d) an ice-cream stick
29. 29.True or false: small test objects is needed for the float-or-sink test. (a) False (b) True
30. 30.⚖️ 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) False (b) True
31. 31.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) water is sticky (c) ice is very cold (d) ice is less dense
32. 32.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) a few ice cubes (c) more plain water (d) a little shaking
33. 33.🔍 Which is the odd one out? (a) a glass marble (b) an empty capped bottle (c) a cork (d) a ping-pong ball
34. 34.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
35. 35.🛟 Which of these sinks in water? (a) a ball of clay (b) an ice-cream stick (c) a dry leaf (d) a cork
36. 36.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is kept the same? (a) the shape of the clay (b) the tub of water (c) whether it floats
37. 37.True or false: a balloon is needed for the float-or-sink test. (a) False (b) True
38. 38.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is kept the same. (a) True (b) False
39. 39.🛟 Which of these floats on water? (a) a glass marble (b) an ice-cream stick (c) an iron nail (d) a metal key
40. 40.🔍 Which is the odd one out? (a) a cork (b) a steel spoon (c) an empty capped bottle (d) an ice-cream stick

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