Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 216 · 40 questions

What you do (Heaviest for its size sinks): 1. Pour honey slowly into the glass to fill about a quarter. 2. Pour coloured water gently down the side of the glass. 3. Pour the cooking oil gently on top and watch the layers settle. 4. Gently drop in a cork and a coin, see where each stops, and wipe up oil spills.

1. 1.🔍 Which is the odd one out? (a) cooking oil (b) air (c) an ice cube (d) a pebble
2. 2.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? Which of these is what we measure? (a) the order of pouring (b) the same three liquids (c) the same glass (d) the order of the layers
3. 3.True or false: a spoon is needed for the density tower. (a) False (b) True
4. 4.🍯 Is a cork denser or less dense than water? (a) denser than water (b) less dense than water
5. 5.🔍 Which is the odd one out? (a) an ice cube (b) a ping-pong ball (c) cooking oil (d) very salty water
6. 6.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? What do we do with “how much of each liquid”? (a) we keep it the same (b) we measure it (c) we change it
7. 7.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) on top of the oil (b) in the water layer (c) in the oil layer (d) at the very bottom
8. 8.🧺 Do we need a mirror for the density tower? (a) needed (b) not needed
9. 9.🛟 Which rule keeps the density tower experiment safe? (a) pour it on the floor (b) throw the glass (c) do not lick the spoon (d) taste each layer
10. 10.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? Which of these is the one thing we change? (a) the same glass (b) how much of each liquid (c) the same three liquids (d) the order of pouring
11. 11.True or false: honey is needed for the density tower. (a) False (b) True
12. 12.True or false: turmeric powder is needed for the density tower. (a) True (b) False
13. 13.🫗 Why does cooking oil float on top of water? (a) oil is hot (b) oil is sticky (c) oil is less dense (d) oil is heavier
14. 14.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? Which of these is kept the same? (a) the order of pouring (b) the order of the layers (c) the same three liquids
15. 15.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) water with food colour (c) cooking oil (d) yeast
16. 16.True or false: water with food colour is not needed for the density tower. (a) True (b) False
17. 17.🍯 Is cooking oil denser or less dense than water? (a) less dense than water (b) denser than water
18. 18.True or false: water with food colour is needed for the density tower. (a) True (b) False
19. 19.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they separate again (b) they become solid (c) they mix for ever (d) they turn to honey
20. 20.🍯 Is a coin denser or less dense than water? (a) less dense than water (b) denser than water
21. 21.🍯 Is a ping-pong ball denser or less dense than water? (a) less dense than water (b) denser than water
22. 22.True or false: honey is not needed for the density tower. (a) False (b) True
23. 23.True or false: a pebble is denser than water. (a) True (b) False
24. 24.True or false: a cork is denser than water. (a) False (b) True
25. 25.🛟 Why should we wipe up spilled oil at once? (a) oil makes it rain (b) spilled oil is slippery (c) oil attracts magnets (d) oil turns into honey
26. 26.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? What do we do with “the same glass”? (a) we measure it (b) we keep it the same (c) we change it
27. 27.🍯 Which of these is denser than water? (a) a glass marble (b) a cork (c) an ice cube (d) cooking oil
28. 28.🍯 Is a pebble denser or less dense than water? (a) denser than water (b) less dense than water
29. 29.🍯 Is very salty water denser or less dense than water? (a) less dense than water (b) denser than water
30. 30.True or false: a balloon is needed for the density tower. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) air (b) an ice cube (c) a coin (d) a cork
32. 32.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? True or false: how much of each liquid is kept the same. (a) True (b) False
33. 33.🧺 Do we need honey for the density tower? (a) needed (b) not needed
34. 34.True or false: a glass marble is less dense than water. (a) True (b) False
35. 35.True or false: a magnet is not needed for the density tower. (a) True (b) False
36. 36.🧺 Which of these is needed for the density tower? (a) a tall clear glass (b) a mirror (c) yeast (d) a balloon
37. 37.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) a balloon (c) cooking oil (d) a magnet
38. 38.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? What do we do with “the order of pouring”? (a) we change it (b) we keep it the same (c) we measure it
39. 39.🧺 Which of these is not needed for the density tower? (a) honey (b) water with food colour (c) a tall clear glass (d) turmeric powder
40. 40.🔍 Which is the odd one out? (a) air (b) cooking oil (c) a cork (d) honey

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