Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 154 · 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: turmeric powder is needed for the float-or-sink test. (a) False (b) True
2. 2.🛟 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
3. 3.🛟 Does an ice cube float or sink in water? (a) sinks (b) floats
4. 4.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
5. 5.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we keep it the same (b) we measure it (c) we change it
6. 6.🧺 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 results table (d) turmeric powder
7. 7.🧺 Which of these is needed for the float-or-sink test? (a) a magnet (b) a tub of water (c) yeast (d) turmeric powder
8. 8.⚖️ 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 measure it (b) we keep it the same (c) we change it
9. 9.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it sinks (c) it floats higher (d) it melts
10. 10.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it bounces up (c) it sinks (d) it dissolves
11. 11.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a balloon (b) a towel for spills (c) a tub of water (d) small test objects
12. 12.🛟 Does a ping-pong ball float or sink in water? (a) floats (b) sinks
13. 13.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
14. 14.🥚 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
15. 15.🧺 Do we need a battery cell for the float-or-sink test? (a) not needed (b) needed
16. 16.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) yeast (c) a tub of water (d) a results table
17. 17.🔍 Which is the odd one out? (a) a ping-pong ball (b) an iron nail (c) a piece of thermocol (d) a dry leaf
18. 18.🛟 Which of these sinks in water? (a) a dry leaf (b) a ping-pong ball (c) a steel spoon (d) a feather
19. 19.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) small test objects (c) a mirror (d) a tub of water
20. 20.🛟 Which is the safe way to do the float-or-sink test? (a) leave water on the floor (b) play near a deep pond (c) wipe up spills at once (d) run around the tub
21. 21.🔮 A cork floats in tap water. What happens in very salty water? (a) it turns white (b) it still floats (c) it sinks (d) it dissolves
22. 22.⚖️ 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 measure it (b) we keep it the same (c) we change it
23. 23.True or false: small test objects is not needed for the float-or-sink test. (a) False (b) True
24. 24.⚖️ 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
25. 25.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) the small pebble (c) the big log (d) neither of them
26. 26.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) it has a magnet (c) its hollow shape (d) steel is very light
27. 27.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
28. 28.🧺 Do we need a towel for spills for the float-or-sink test? (a) needed (b) not needed
29. 29.⚖️ 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) the kind of clay (d) the shape of the clay
30. 30.⚖️ 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 kind of clay (c) the shape of the clay
31. 31.🛟 Which of these floats on water? (a) a glass marble (b) a steel spoon (c) a feather (d) a metal key
32. 32.🛟 Which of these sinks in water? (a) a cork (b) an ice-cream stick (c) a coin (d) an ice cube
33. 33.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the tub of water (b) the amount of clay (c) whether it floats (d) the shape of the clay
34. 34.🔍 Which is the odd one out? (a) an ice cube (b) a coin (c) a cork (d) a dry leaf
35. 35.True or false: a results table is not needed for the float-or-sink test. (a) True (b) False
36. 36.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
37. 37.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it turns to stone (b) it can float (c) it dissolves (d) it sinks faster
38. 38.🛟 Which of these floats on water? (a) a coin (b) a piece of thermocol (c) a metal key (d) an iron nail
39. 39.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a magnet (c) small test objects (d) a towel for spills
40. 40.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed

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