Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 178 · 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: a mirror is needed for the float-or-sink test. (a) True (b) False
2. 2.🔍 You drop a coin into a tub of water. What do you see? (a) it sinks (b) it bounces up (c) it dissolves (d) it floats
3. 3.🔍 Which is the odd one out? (a) a metal key (b) an iron nail (c) a ball of clay (d) a ping-pong ball
4. 4.⚖️ 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 measure it (b) we change it (c) we keep it the same
5. 5.🔍 Which is the odd one out? (a) a cork (b) an ice-cream stick (c) a dry leaf (d) a metal key
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 measure it (b) we change it (c) we keep it the same
7. 7.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
8. 8.⚖️ 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) True (b) False
9. 9.🔮 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
10. 10.⚖️ 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 kind of clay (c) whether it floats
11. 11.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a towel for spills (c) a results table (d) a mirror
12. 12.True or false: a ping-pong ball sinks in water. (a) True (b) False
13. 13.True or false: a feather floats on water. (a) False (b) True
14. 14.🔮 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
15. 15.🔍 Which is the odd one out? (a) a steel spoon (b) a metal key (c) a coin (d) an ice-cream stick
16. 16.True or false: an ice cube floats on water. (a) False (b) True
17. 17.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a towel for spills (c) a battery cell (d) a balloon
18. 18.🛟 Which of these floats on water? (a) a pebble (b) a steel spoon (c) a coin (d) a dry leaf
19. 19.🛟 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) leave water on the floor (d) run around the tub
20. 20.🚢 Why can a heavy steel ship float on the sea? (a) sea water is warm (b) steel is very light (c) its hollow shape (d) it has a magnet
21. 21.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a magnet (c) a results table (d) small test objects
22. 22.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a tub of water (c) a towel for spills (d) a balloon
23. 23.⚖️ 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
24. 24.🛟 Which of these sinks in water? (a) an empty capped bottle (b) an ice cube (c) a coin (d) a ping-pong ball
25. 25.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
26. 26.⚖️ 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) False (b) True
27. 27.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a mirror (c) turmeric powder (d) a results table
28. 28.🧺 Which of these is not needed for the float-or-sink test? (a) a tub of water (b) a towel for spills (c) a battery cell (d) small test objects
29. 29.🛟 Which of these floats on water? (a) a glass marble (b) a steel spoon (c) a coin (d) a ping-pong ball
30. 30.🛟 Which of these floats on water? (a) a ball of clay (b) a piece of thermocol (c) a pebble (d) a steel spoon
31. 31.🧺 Which of these is not needed for the float-or-sink test? (a) a balloon (b) a tub of water (c) a results table (d) small test objects
32. 32.⚖️ 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) the shape of the clay (c) the kind of clay (d) whether it floats
33. 33.🛟 Does a dry leaf float or sink in water? (a) sinks (b) floats
34. 34.⚖️ 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
35. 35.🧺 Which of these is needed for the float-or-sink test? (a) a battery cell (b) a magnet (c) a tub of water (d) turmeric powder
36. 36.⚖️ 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
37. 37.⚖️ 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
38. 38.🧺 Do we need a balloon for the float-or-sink test? (a) needed (b) not needed
39. 39.🛟 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 hide the corks (d) to splash everyone
40. 40.🔮 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

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