Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 434 · 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 of these is denser than water? (a) a cork (b) a coin (c) an ice cube (d) cooking oil
2. 2.⚖️ 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 three liquids is kept the same. (a) True (b) False
3. 3.🛟 Which rule keeps the density tower experiment safe? (a) throw the glass (b) taste each layer (c) do not lick the spoon (d) pour it on the floor
4. 4.🔍 Which is the odd one out? (a) a ping-pong ball (b) an ice cube (c) a pebble (d) a cork
5. 5.True or false: a balloon is needed for the density tower. (a) True (b) False
6. 6.🍯 Which of these is less dense than water? (a) honey (b) a glass marble (c) very salty water (d) cooking oil
7. 7.True or false: honey is less dense than water. (a) True (b) False
8. 8.🧺 Which of these is not needed for the density tower? (a) a tall clear glass (b) turmeric powder (c) cooking oil (d) a spoon
9. 9.🔍 Which is the odd one out? (a) air (b) a cork (c) a glass marble (d) a ping-pong ball
10. 10.⚖️ 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 what we measure. (a) False (b) True
11. 11.True or false: honey is not needed for the density tower. (a) False (b) True
12. 12.⚖️ 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) the order of pouring (c) the same glass
13. 13.True or false: a tall clear glass is needed for the density tower. (a) False (b) True
14. 14.True or false: a spoon is not needed for the density tower. (a) False (b) True
15. 15.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a balloon (b) cooking oil (c) honey (d) a tall clear glass
16. 16.🧺 Which of these is needed for the density tower? (a) cooking oil (b) a magnet (c) a mirror (d) yeast
17. 17.🔍 Which layer is on top in the honey-water-oil tower? (a) honey (b) cooking oil (c) the spoon (d) coloured water
18. 18.🫗 Why does cooking oil float on top of water? (a) oil is heavier (b) oil is hot (c) oil is sticky (d) oil is less dense
19. 19.🧺 Which of these is needed for the density tower? (a) a tall clear glass (b) a mirror (c) a balloon (d) a battery cell
20. 20.True or false: a pebble is denser than water. (a) False (b) True
21. 21.⚖️ 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 kept the same. (a) False (b) True
22. 22.🍯 Is an ice cube denser or less dense than water? (a) less dense than water (b) denser than water
23. 23.⚖️ 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 the layers (b) the same three liquids (c) the order of pouring (d) how much of each liquid
24. 24.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) water with food colour (c) a mirror (d) a spoon
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: the order of the layers is what we measure. (a) True (b) False
26. 26.True or false: a magnet is needed for the density tower. (a) False (b) True
27. 27.🍯 Which of these is denser than water? (a) a pebble (b) a ping-pong ball (c) cooking oil (d) an ice cube
28. 28.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) under the honey (b) in the honey layer (c) in the water layer (d) on top of the oil
29. 29.🔍 Which is the odd one out? (a) very salty water (b) honey (c) a glass marble (d) an ice cube
30. 30.True or false: a tall clear glass is not needed for the density tower. (a) True (b) False
31. 31.🍯 Is honey denser or less dense than water? (a) less dense than water (b) denser than water
32. 32.🍯 Is a glass marble denser or less dense than water? (a) less dense than water (b) denser than water
33. 33.🔍 What do you see after pouring honey, water and oil into one glass? (a) one mixed colour (b) three separate layers (c) the glass gets hot (d) bubbles of gas
34. 34.⚖️ 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 keep it the same (b) we measure it (c) we change it
35. 35.⚖️ 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 measure it (b) we keep it the same (c) we change it
36. 36.🧺 Do we need a battery cell for the density tower? (a) needed (b) not needed
37. 37.🛟 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
38. 38.🔮 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) at the very bottom (d) in the oil layer
39. 39.🔮 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 turn to honey (d) they mix for ever
40. 40.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) a spoon (c) a battery cell (d) cooking oil

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