Floating and Sinking Experiment Worksheet

Science experiments lesson 1: Floating and sinking · Set 790 · 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 safe way to do the float-or-sink test? (a) play near a deep pond (b) run around the tub (c) leave water on the floor (d) wipe up spills at once
2. 2.True or false: a tub of water is needed for the float-or-sink test. (a) False (b) True
3. 3.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a tub of water (b) turmeric powder (c) small test objects (d) a results table
4. 4.⚖️ 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
5. 5.🔮 Predict: an empty capped bottle floats. What happens if you fill it with sand? (a) it turns blue (b) it floats higher (c) it melts (d) it sinks
6. 6.🛟 Why should a grown-up watch when children play near a big tub of water? (a) to hide the corks (b) to keep children safe (c) to splash everyone (d) to win a prize
7. 7.⚖️ 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) False (b) True
8. 8.⚖️ Fair test — does the shape of a lump of clay change whether it floats? Which of these is what we measure? (a) whether it floats (b) the kind of clay (c) the shape of the clay (d) the tub of water
9. 9.⚖️ 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 change it (b) we keep it the same (c) we measure it
10. 10.🛟 Does a coin float or sink in water? (a) floats (b) sinks
11. 11.🧺 Which of these is needed for the float-or-sink test? (a) yeast (b) a balloon (c) a results table (d) a magnet
12. 12.🛟 Does an ice-cream stick float or sink in water? (a) sinks (b) floats
13. 13.⚖️ 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 shape of the clay (c) the tub of water (d) the amount of clay
14. 14.🧊 Why does an ice cube float on water? (a) ice is very cold (b) ice is less dense (c) water is sticky (d) ice is magnetic
15. 15.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a towel for spills (b) a balloon (c) small test objects (d) a results table
16. 16.🥚 A fresh egg sinks in plain water. What makes it float? (a) lots of salt stirred in (b) a few ice cubes (c) a little shaking (d) more plain water
17. 17.🧺 Which of these is needed for the float-or-sink test? (a) small test objects (b) turmeric powder (c) yeast (d) a mirror
18. 18.🔮 A big log and a small pebble go into a pond. Which one floats? (a) neither of them (b) the big log (c) both of them (d) the small pebble
19. 19.🧺 Which of these is not needed for the float-or-sink test? (a) a battery cell (b) a results table (c) a towel for spills (d) small test objects
20. 20.🧺 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
21. 21.True or false: a coin sinks in water. (a) True (b) False
22. 22.🛟 Does a ball of clay float or sink in water? (a) floats (b) sinks
23. 23.True or false: a ball of clay floats on water. (a) True (b) False
24. 24.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a magnet (b) a towel for spills (c) a results table (d) a tub of water
25. 25.⚖️ 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 keep it the same (c) we change it
26. 26.🔍 You drop a coin into a tub of water. What do you see? (a) it bounces up (b) it floats (c) it sinks (d) it dissolves
27. 27.🛟 Does an ice cube float or sink in water? (a) floats (b) sinks
28. 28.🧺 Do we need turmeric powder for the float-or-sink test? (a) needed (b) not needed
29. 29.🛟 Does a steel spoon float or sink in water? (a) floats (b) sinks
30. 30.True or false: a ping-pong ball floats on water. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) a coin (b) a steel spoon (c) a pebble (d) a ping-pong ball
32. 32.True or false: a balloon is needed for the float-or-sink test. (a) True (b) False
33. 33.⚖️ 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 measure it (b) we change it (c) we keep it the same
34. 34.🔍 Which is the odd one out? (a) an ice cube (b) an empty capped bottle (c) an iron nail (d) a dry leaf
35. 35.True or false: a towel for spills is needed for the float-or-sink test. (a) True (b) False
36. 36.🧺 Three of these are needed for the float-or-sink test. Which one is NOT needed? (a) a results table (b) yeast (c) a towel for spills (d) small test objects
37. 37.🔮 A ball of clay sinks. What happens if you press it into a thin boat shape? (a) it dissolves (b) it sinks faster (c) it turns to stone (d) it can float
38. 38.⚖️ 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) False (b) True
39. 39.🛟 Does a feather float or sink in water? (a) sinks (b) floats
40. 40.🛟 Which of these floats on water? (a) an ice-cream stick (b) a coin (c) a pebble (d) a ball of clay

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