Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 566 · 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 what we measure? (a) the shape of the clay (b) whether it floats (c) the amount of clay (d) the tub of water
2. 2.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) wipe up spills at once (c) play near a deep pond (d) run around the tub
3. 3.🧺 Which of these is needed for the float-or-sink test? (a) a balloon (b) yeast (c) a mirror (d) a tub of water
4. 4.🔍 You drop a coin into a tub of water. What do you see? (a) it sinks (b) it floats (c) it bounces up (d) it dissolves
5. 5.🛟 Does an iron nail float or sink in water? (a) floats (b) sinks
6. 6.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it still floats (c) it dissolves (d) it turns white
7. 7.🛟 Which of these sinks in water? (a) a dry leaf (b) an ice-cream stick (c) a cork (d) a steel spoon
8. 8.⚖️ 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
9. 9.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) turmeric powder (c) a results table (d) a balloon
10. 10.🔮 A big log and a small pebble go into a pond. Which one floats? (a) the big log (b) both of them (c) neither of them (d) the small pebble
11. 11.⚖️ 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 amount of clay (c) the kind of clay (d) the shape of the clay
12. 12.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) small test objects (d) a magnet
13. 13.🧺 Which of these is needed for the float-or-sink test? (a) turmeric powder (b) a balloon (c) a towel for spills (d) a mirror
14. 14.True or false: a cork sinks in water. (a) True (b) False
15. 15.⚖️ 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
16. 16.⚖️ 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
17. 17.🔍 Which is the odd one out? (a) a feather (b) a ping-pong ball (c) an iron nail (d) a cork
18. 18.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
19. 19.True or false: an iron nail floats on water. (a) True (b) False
20. 20.⚖️ 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
21. 21.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) lots of salt stirred in (c) a little shaking (d) a few ice cubes
22. 22.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
23. 23.🧺 Do we need a towel for spills for the float-or-sink test? (a) not needed (b) needed
24. 24.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it can float (b) it turns to stone (c) it sinks faster (d) it dissolves
25. 25.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
26. 26.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
27. 27.True or false: a towel for spills is not needed for the float-or-sink test. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) a cork (b) an ice cube (c) a coin (d) an ice-cream stick
29. 29.🔍 Which is the odd one out? (a) an ice cube (b) a ball of clay (c) an iron nail (d) a metal key
30. 30.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it sinks (b) it turns blue (c) it floats higher (d) it melts
31. 31.True or false: a pebble floats on water. (a) True (b) False
32. 32.🛟 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 hide the corks (d) to keep children safe
33. 33.⚖️ 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 keep it the same (b) we measure it (c) we change it
34. 34.🛟 Which of these floats on water? (a) a dry leaf (b) an iron nail (c) a metal key (d) a steel spoon
35. 35.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
36. 36.True or false: a tub of water is not needed for the float-or-sink test. (a) False (b) True
37. 37.True or false: an empty capped bottle floats on water. (a) True (b) False
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 is not needed for the float-or-sink test? (a) a results table (b) a towel for spills (c) a tub of water (d) yeast
40. 40.🚢 Why can a heavy steel ship float on the sea? (a) its hollow shape (b) it has a magnet (c) sea water is warm (d) steel is very light

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids