Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 879 · 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.🍯 Is a ping-pong ball denser or less dense than water? (a) denser than water (b) less dense than water
2. 2.🛟 Why should we wipe up spilled oil at once? (a) oil attracts magnets (b) oil makes it rain (c) spilled oil is slippery (d) oil turns into honey
3. 3.🫗 Why does cooking oil float on top of water? (a) oil is hot (b) oil is less dense (c) oil is heavier (d) oil is sticky
4. 4.True or false: a ping-pong ball is denser than water. (a) True (b) False
5. 5.⚖️ 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 change it (b) we keep it the same (c) we measure it
6. 6.🧺 Which of these is needed for the density tower? (a) a magnet (b) water with food colour (c) a mirror (d) a balloon
7. 7.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) honey (c) a magnet (d) cooking oil
8. 8.🧺 Do we need a battery cell for the density tower? (a) needed (b) not needed
9. 9.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) a spoon (c) honey (d) a battery cell
10. 10.🍯 Why does honey sink to the bottom of the glass? (a) it is yellow (b) it is the coldest (c) it is the stickiest (d) it is the densest
11. 11.⚖️ 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
12. 12.🧺 Do we need honey for the density tower? (a) needed (b) not needed
13. 13.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a mirror (b) water with food colour (c) a spoon (d) a tall clear glass
14. 14.🧺 Which of these is needed for the density tower? (a) a mirror (b) a battery cell (c) a tall clear glass (d) yeast
15. 15.🍯 Which of these is less dense than water? (a) a pebble (b) a glass marble (c) a coin (d) a ping-pong ball
16. 16.🔍 Which is the odd one out? (a) a pebble (b) a glass marble (c) very salty water (d) air
17. 17.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) turmeric powder (c) water with food colour (d) a tall clear glass
18. 18.True or false: water with food colour is not needed for the density tower. (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) honey (b) a pebble (c) very salty water (d) an ice cube
20. 20.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? True or false: the order of pouring is what we measure. (a) False (b) True
21. 21.🧺 Which of these is needed for the density tower? (a) a magnet (b) a balloon (c) honey (d) a mirror
22. 22.🔍 Which is the odd one out? (a) a glass marble (b) air (c) a ping-pong ball (d) a cork
23. 23.True or false: a battery cell is needed for the density tower. (a) True (b) False
24. 24.🍯 Which of these is less dense than water? (a) an ice cube (b) honey (c) very salty water (d) a pebble
25. 25.⚖️ 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
26. 26.🔍 Which is the odd one out? (a) very salty water (b) a pebble (c) a ping-pong ball (d) a coin
27. 27.🧺 Do we need water with food colour for the density tower? (a) needed (b) not needed
28. 28.⚖️ 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 the layers (b) how much of each liquid (c) the order of pouring
29. 29.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) in the honey layer (b) under the honey (c) on top of the oil (d) in the water layer
30. 30.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) a spoon (c) a mirror (d) a tall clear glass
31. 31.True or false: a balloon is needed for the density tower. (a) True (b) False
32. 32.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the water layer (b) on top of the oil (c) at the very bottom (d) in the oil layer
33. 33.⚖️ 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 glass (c) how much of each liquid (d) the order of the layers
34. 34.🔍 Which is the odd one out? (a) cooking oil (b) an ice cube (c) very salty water (d) air
35. 35.🧺 Which of these is needed for the density tower? (a) a mirror (b) a magnet (c) a battery cell (d) cooking oil
36. 36.⚖️ Fair test — do the layers end up in the same order if we pour the liquids in a different order? True or false: the same glass is kept the same. (a) False (b) True
37. 37.True or false: an ice cube is less dense than water. (a) True (b) False
38. 38.True or false: an ice cube is denser than water. (a) False (b) True
39. 39.True or false: cooking oil is not needed for the density tower. (a) True (b) False
40. 40.True or false: air is less dense than water. (a) True (b) False

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