Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 1 · 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.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a tall clear glass (c) a spoon (d) a mirror
2. 2.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) at the very bottom (b) on top of the oil (c) in the water layer (d) in the oil layer
3. 3.🍯 Which of these is less dense than water? (a) very salty water (b) an ice cube (c) a coin (d) a glass marble
4. 4.True or false: turmeric powder is not needed for the density tower. (a) True (b) False
5. 5.🧺 Do we need cooking oil for the density tower? (a) not needed (b) needed
6. 6.🍯 Which of these is less dense than water? (a) a pebble (b) cooking oil (c) a glass marble (d) honey
7. 7.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) on top of the oil (b) under the honey (c) in the water layer (d) in the honey layer
8. 8.🍯 Is very salty water denser or less dense than water? (a) less dense than water (b) denser than water
9. 9.⚖️ 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
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) how much of each liquid (b) the order of pouring (c) the same glass (d) the order of the layers
11. 11.🧺 Do we need yeast for the density tower? (a) needed (b) not needed
12. 12.⚖️ 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
13. 13.🔍 Which layer is on top in the honey-water-oil tower? (a) coloured water (b) cooking oil (c) honey (d) the spoon
14. 14.🔍 Which is the odd one out? (a) a pebble (b) a ping-pong ball (c) an ice cube (d) cooking oil
15. 15.⚖️ 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 the layers is what we measure. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) a ping-pong ball (b) honey (c) air (d) cooking oil
17. 17.True or false: air is denser than water. (a) False (b) True
18. 18.⚖️ 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) how much of each liquid (b) the order of pouring (c) the order of the layers (d) the same glass
19. 19.🧺 Do we need a tall clear glass for the density tower? (a) needed (b) not needed
20. 20.True or false: a tall clear glass is not needed for the density tower. (a) False (b) True
21. 21.🧺 Which of these is needed for the density tower? (a) a mirror (b) cooking oil (c) turmeric powder (d) a battery cell
22. 22.🔍 Which is the odd one out? (a) a pebble (b) very salty water (c) honey (d) air
23. 23.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) a tall clear glass (c) water with food colour (d) yeast
24. 24.⚖️ 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 measure it (b) we change it (c) we keep it the same
25. 25.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) a tall clear glass (c) water with food colour (d) a balloon
26. 26.🔍 Which is the odd one out? (a) a ping-pong ball (b) very salty water (c) honey (d) a pebble
27. 27.True or false: a ping-pong ball is denser than water. (a) False (b) True
28. 28.🍯 Which of these is less dense than water? (a) honey (b) a pebble (c) a ping-pong ball (d) a coin
29. 29.🧺 Which of these is not needed for the density tower? (a) honey (b) a battery cell (c) a tall clear glass (d) cooking oil
30. 30.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) a magnet (c) honey (d) cooking oil
31. 31.🍯 Is a ping-pong ball denser or less dense than water? (a) less dense than water (b) denser than water
32. 32.🧺 Do we need honey for the density tower? (a) not needed (b) needed
33. 33.⚖️ 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 three liquids”? (a) we keep it the same (b) we change it (c) we measure it
34. 34.🔍 Which is the odd one out? (a) a ping-pong ball (b) a coin (c) air (d) a cork
35. 35.🫗 Why does cooking oil float on top of water? (a) oil is hot (b) oil is heavier (c) oil is less dense (d) oil is sticky
36. 36.True or false: cooking oil is not needed for the density tower. (a) False (b) True
37. 37.🛟 Which rule keeps the density tower experiment safe? (a) pour it on the floor (b) taste each layer (c) throw the glass (d) do not lick the spoon
38. 38.True or false: a ping-pong ball is less dense than water. (a) False (b) True
39. 39.🍯 Which of these is less dense than water? (a) air (b) a glass marble (c) a pebble (d) a coin
40. 40.True or false: a pebble is less dense than water. (a) False (b) True

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