Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 704 · 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.🔍 Which is the odd one out? (a) a metal key (b) a steel spoon (c) a dry leaf (d) a coin
2. 2.⚖️ 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) whether it floats (c) the tub of water
3. 3.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a balloon (c) small test objects (d) a towel for spills
4. 4.🔍 You drop a coin into a tub of water. What do you see? (a) it floats (b) it sinks (c) it bounces up (d) it dissolves
5. 5.🛟 Which of these sinks in water? (a) an empty capped bottle (b) an ice cube (c) a glass marble (d) a ping-pong ball
6. 6.🧺 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
7. 7.⚖️ 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 change it (c) we measure it
8. 8.⚖️ 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 kind of clay
9. 9.🔮 A cork floats in tap water. What happens in very salty water? (a) it sinks (b) it still floats (c) it turns white (d) it dissolves
10. 10.True or false: a glass marble floats on water. (a) True (b) False
11. 11.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) a balloon (d) a tub of water
12. 12.🛟 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
13. 13.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) a little shaking (c) a few ice cubes (d) more plain water
14. 14.🔍 Which is the odd one out? (a) a cork (b) an empty capped bottle (c) a coin (d) an ice cube
15. 15.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) a battery cell (c) small test objects (d) a towel for spills
16. 16.🛟 Which of these sinks in water? (a) a piece of thermocol (b) an ice cube (c) a pebble (d) a feather
17. 17.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the amount of clay is what we measure. (a) True (b) False
18. 18.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
19. 19.🔮 A big log and a small pebble go into a pond. Which one floats? (a) both of them (b) neither of them (c) the big log (d) the small pebble
20. 20.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “the tub of water”? (a) we change it (b) we keep it the same (c) we measure it
21. 21.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a magnet (b) a results table (c) small test objects (d) a towel for spills
22. 22.🛟 Which of these floats on water? (a) a steel spoon (b) a glass marble (c) a feather (d) a metal key
23. 23.🔍 Which is the odd one out? (a) a steel spoon (b) a glass marble (c) a metal key (d) a feather
24. 24.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is the one thing we change. (a) True (b) False
25. 25.🧺 Do we need a tub of water for the float-or-sink test? (a) needed (b) not needed
26. 26.True or false: a towel for spills is needed for the float-or-sink test. (a) True (b) False
27. 27.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it can float (b) it dissolves (c) it sinks faster (d) it turns to stone
28. 28.True or false: an iron nail sinks in water. (a) True (b) False
29. 29.⚖️ 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
30. 30.🧺 Which of these is not needed for the float-or-sink test? (a) small test objects (b) a results table (c) turmeric powder (d) a towel for spills
31. 31.True or false: an ice-cream stick sinks in water. (a) True (b) False
32. 32.🧺 Do we need small test objects for the float-or-sink test? (a) needed (b) not needed
33. 33.🛟 Which of these floats on water? (a) a steel spoon (b) an iron nail (c) a glass marble (d) an empty capped bottle
34. 34.⚖️ 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) True (b) False
35. 35.🛟 Which of these floats on water? (a) a pebble (b) a steel spoon (c) an iron nail (d) a ping-pong ball
36. 36.🛟 Which of these floats on water? (a) a ball of clay (b) a metal key (c) a dry leaf (d) a coin
37. 37.🛟 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) run around the tub (d) play near a deep pond
38. 38.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it floats higher (b) it turns blue (c) it sinks (d) it melts
39. 39.🛟 Does a cork float or sink in water? (a) floats (b) sinks
40. 40.⚖️ 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 tub of water (b) the kind of clay (c) whether it floats (d) the shape of the clay

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