Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 376 · 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? True or false: the amount of clay is kept the same. (a) False (b) True
2. 2.🌊 What pushes a floating cork upward? (a) the air above (b) the water (c) the tub (d) the cork itself
3. 3.⚖️ 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
4. 4.🧺 Do we need a results table for the float-or-sink test? (a) not needed (b) needed
5. 5.🧺 Do we need turmeric powder for the float-or-sink test? (a) not needed (b) needed
6. 6.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a tub of water (c) a balloon (d) small test objects
7. 7.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
8. 8.🧺 Which of these is needed for the float-or-sink test? (a) a results table (b) a mirror (c) a magnet (d) turmeric powder
9. 9.🛟 Which of these sinks in water? (a) a coin (b) a piece of thermocol (c) an ice-cream stick (d) a cork
10. 10.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) a towel for spills (c) small test objects (d) a magnet
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) the kind of clay (b) the amount of clay (c) the shape of the clay (d) whether it floats
12. 12.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: the kind of clay is kept the same. (a) True (b) False
13. 13.🔍 Which is the odd one out? (a) a coin (b) a pebble (c) a steel spoon (d) a feather
14. 14.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a results table (c) a magnet (d) small test objects
15. 15.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to splash everyone (c) to keep children safe (d) to win a prize
16. 16.🧊 Why does an ice cube float on water? (a) ice is very cold (b) water is sticky (c) ice is less dense (d) ice is magnetic
17. 17.🔍 Which is the odd one out? (a) an iron nail (b) an empty capped bottle (c) a steel spoon (d) a coin
18. 18.🔮 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
19. 19.🛟 Which of these sinks in water? (a) a feather (b) an ice cube (c) an iron nail (d) a dry leaf
20. 20.🧺 Which of these is not needed for the float-or-sink test? (a) a towel for spills (b) a balloon (c) a tub of water (d) small test objects
21. 21.🛟 Which of these floats on water? (a) a pebble (b) an ice-cream stick (c) a metal key (d) a steel spoon
22. 22.🔍 Which is the odd one out? (a) a glass marble (b) a pebble (c) an iron nail (d) an ice-cream stick
23. 23.⚖️ Fair test — does the shape of a lump of clay change whether it floats? True or false: whether it floats is the one thing we change. (a) False (b) True
24. 24.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) the kind of clay (b) the tub of water (c) whether it floats (d) the amount of clay
25. 25.🛟 Does a metal key float or sink in water? (a) floats (b) sinks
26. 26.🔍 Which is the odd one out? (a) an iron nail (b) a coin (c) a glass marble (d) a cork
27. 27.True or false: a ping-pong ball sinks in water. (a) True (b) False
28. 28.🔮 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
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 keep it the same (b) we change it (c) we measure it
30. 30.True or false: a cork sinks in water. (a) False (b) True
31. 31.⚖️ 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 amount of clay
32. 32.True or false: a feather sinks in water. (a) True (b) False
33. 33.🛟 Which of these sinks in water? (a) an ice cube (b) an empty capped bottle (c) a metal key (d) a dry leaf
34. 34.🛟 Which is the safe way to do the float-or-sink test? (a) wipe up spills at once (b) leave water on the floor (c) run around the tub (d) play near a deep pond
35. 35.🧺 Do we need a magnet for the float-or-sink test? (a) not needed (b) needed
36. 36.True or false: a glass marble sinks in water. (a) False (b) True
37. 37.🧺 Do we need a mirror for the float-or-sink test? (a) not needed (b) needed
38. 38.True or false: a ball of clay sinks in water. (a) True (b) False
39. 39.🛟 Which of these floats on water? (a) a piece of thermocol (b) a coin (c) a steel spoon (d) a metal key
40. 40.🔍 Which is the odd one out? (a) a steel spoon (b) an ice-cream stick (c) a feather (d) an empty capped bottle

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