Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 951 · 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.🧺 Do we need a balloon for the float-or-sink test? (a) not needed (b) needed
2. 2.🥚 A fresh egg sinks in plain water. What makes it float? (a) more plain water (b) a few ice cubes (c) a little shaking (d) lots of salt stirred in
3. 3.🔍 Which is the odd one out? (a) an iron nail (b) a cork (c) a pebble (d) a coin
4. 4.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to win a prize (b) to hide the corks (c) to keep children safe (d) to splash everyone
5. 5.🧺 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) turmeric powder
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 keep it the same (b) we change it (c) we measure it
7. 7.⚖️ 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 shape of the clay (c) the tub of water (d) the kind of clay
8. 8.🛟 Does a pebble float or sink in water? (a) floats (b) sinks
9. 9.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the tub of water is what we measure. (a) True (b) False
10. 10.True or false: a results table is not needed for the float-or-sink test. (a) False (b) True
11. 11.🔮 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
12. 12.🛟 Which of these floats on water? (a) a metal key (b) a coin (c) a steel spoon (d) a cork
13. 13.🛟 Which of these floats on water? (a) a coin (b) a ping-pong ball (c) a steel spoon (d) a ball of clay
14. 14.⚖️ 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
15. 15.🛟 Does an empty capped bottle float or sink in water? (a) floats (b) sinks
16. 16.🧊 Why does an ice cube float on water? (a) ice is magnetic (b) water is sticky (c) ice is less dense (d) ice is very cold
17. 17.🛟 Which of these sinks in water? (a) a pebble (b) a cork (c) a feather (d) a ping-pong ball
18. 18.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a results table (c) a tub of water (d) yeast
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.🧺 Which of these is not needed for the float-or-sink test? (a) a results table (b) a magnet (c) small test objects (d) a tub of water
21. 21.🧺 Do we need a tub of water for the float-or-sink test? (a) not needed (b) needed
22. 22.🛟 Which of these floats on water? (a) a pebble (b) a metal key (c) a coin (d) a feather
23. 23.🔍 Which is the odd one out? (a) a glass marble (b) a metal key (c) a pebble (d) an ice-cream stick
24. 24.⚖️ Fair test — does the shape of a lump of clay change whether it floats? What do we do with “whether it floats”? (a) we change it (b) we keep it the same (c) we measure it
25. 25.True or false: yeast is needed for the float-or-sink test. (a) True (b) False
26. 26.🛟 Which of these floats on water? (a) a coin (b) a steel spoon (c) an iron nail (d) an empty capped bottle
27. 27.🧺 Do we need small test objects for the float-or-sink test? (a) not needed (b) needed
28. 28.⚖️ 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 keep it the same (b) we change it (c) we measure it
29. 29.🔮 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 turns to stone (d) it sinks faster
30. 30.🔍 Which is the odd one out? (a) a metal key (b) an empty capped bottle (c) a dry leaf (d) an ice cube
31. 31.🔍 Which is the odd one out? (a) a coin (b) an empty capped bottle (c) an ice cube (d) an ice-cream stick
32. 32.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False
33. 33.🧺 Do we need a magnet for the float-or-sink test? (a) needed (b) not needed
34. 34.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
35. 35.🛟 Which of these sinks in water? (a) an ice-cream stick (b) a steel spoon (c) a dry leaf (d) an empty capped bottle
36. 36.🔍 Which is the odd one out? (a) a coin (b) a ball of clay (c) an ice cube (d) a steel spoon
37. 37.⚖️ 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
38. 38.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) small test objects (b) a tub of water (c) a towel for spills (d) a battery cell
39. 39.🛟 Does a piece of thermocol float or sink in water? (a) sinks (b) floats
40. 40.⚖️ 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

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