Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 58 · 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.True or false: an ice cube is denser than water. (a) True (b) False
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 order of pouring is the one thing we change. (a) True (b) False
3. 3.🛟 Which rule keeps the density tower experiment safe? (a) do not lick the spoon (b) taste each layer (c) throw the glass (d) pour it on the floor
4. 4.🔍 Which is the odd one out? (a) a glass marble (b) honey (c) a ping-pong ball (d) very salty water
5. 5.⚖️ 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 order of the layers (c) how much of each liquid (d) the same three liquids
6. 6.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a magnet (b) cooking oil (c) honey (d) water with food colour
7. 7.🧺 Do we need yeast for the density tower? (a) needed (b) not needed
8. 8.True or false: a mirror is not needed for the density tower. (a) True (b) False
9. 9.⚖️ 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) the order of pouring (c) the same three liquids (d) how much of each liquid
10. 10.🍯 Is a cork denser or less dense than water? (a) denser than water (b) less dense than water
11. 11.⚖️ 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 same three liquids (c) the order of pouring
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 the layers is what we measure. (a) False (b) True
13. 13.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they mix for ever (b) they separate again (c) they turn to honey (d) they become solid
14. 14.🔍 Which layer is on top in the honey-water-oil tower? (a) honey (b) coloured water (c) the spoon (d) cooking oil
15. 15.True or false: a ping-pong ball is less dense than water. (a) False (b) True
16. 16.True or false: a balloon is needed for the density tower. (a) False (b) True
17. 17.True or false: very salty water is less dense than water. (a) False (b) True
18. 18.🧺 Which of these is needed for the density tower? (a) a mirror (b) a balloon (c) cooking oil (d) a magnet
19. 19.True or false: cooking oil is less dense than water. (a) False (b) True
20. 20.True or false: a magnet is needed for the density tower. (a) True (b) False
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 the layers is the one thing we change. (a) True (b) False
22. 22.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed
23. 23.🍯 Which of these is denser than water? (a) cooking oil (b) a pebble (c) an ice cube (d) a cork
24. 24.🧺 Do we need a battery cell for the density tower? (a) not needed (b) needed
25. 25.True or false: a spoon is not needed for the density tower. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) a glass marble (b) air (c) an ice cube (d) cooking oil
27. 27.🍯 Is an ice cube denser or less dense than water? (a) less dense than water (b) denser than water
28. 28.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) honey (c) a battery cell (d) a tall clear glass
29. 29.🍯 Which of these is less dense than water? (a) a coin (b) cooking oil (c) a glass marble (d) a pebble
30. 30.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the oil layer (b) in the water layer (c) at the very bottom (d) on top of the oil
31. 31.🍯 Which of these is denser than water? (a) a ping-pong ball (b) honey (c) air (d) cooking oil
32. 32.🍯 Is a ping-pong ball denser or less dense than water? (a) less dense than water (b) denser than water
33. 33.🛟 Why should we wipe up spilled oil at once? (a) oil makes it rain (b) spilled oil is slippery (c) oil turns into honey (d) oil attracts magnets
34. 34.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) a spoon (c) water with food colour (d) a battery cell
35. 35.⚖️ 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 what we measure. (a) True (b) False
36. 36.🧺 Which of these is needed for the density tower? (a) a mirror (b) a magnet (c) water with food colour (d) a battery cell
37. 37.True or false: cooking oil is not needed for the density tower. (a) True (b) False
38. 38.True or false: a mirror is needed for the density tower. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) a ping-pong ball (b) an ice cube (c) a cork (d) honey
40. 40.🫗 Why does cooking oil float on top of water? (a) oil is hot (b) oil is less dense (c) oil is sticky (d) oil is heavier

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