Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 233 · 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 pebble denser or less dense than water? (a) less dense than water (b) denser than water
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) False (b) True
3. 3.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they become solid (b) they turn to honey (c) they separate again (d) they mix for ever
4. 4.🍯 Which of these is less dense than water? (a) a coin (b) an ice cube (c) very salty water (d) a glass marble
5. 5.True or false: cooking oil is needed for the density tower. (a) False (b) True
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 “the same glass”? (a) we change it (b) we measure it (c) we keep it the same
7. 7.True or false: turmeric powder is needed for the density tower. (a) True (b) False
8. 8.🔮 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
9. 9.🍯 Why does honey sink to the bottom of the glass? (a) it is yellow (b) it is the densest (c) it is the stickiest (d) it is the coldest
10. 10.🛟 Which rule keeps the density tower experiment safe? (a) pour it on the floor (b) taste each layer (c) do not lick the spoon (d) throw the glass
11. 11.🧺 Do we need a mirror for the density tower? (a) needed (b) not needed
12. 12.🫗 Why does cooking oil float on top of water? (a) oil is sticky (b) oil is less dense (c) oil is hot (d) oil is heavier
13. 13.🧺 Which of these is needed for the density tower? (a) a magnet (b) a battery cell (c) yeast (d) cooking oil
14. 14.🧺 Which of these is needed for the density tower? (a) a mirror (b) a balloon (c) a spoon (d) a battery cell
15. 15.🛟 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
16. 16.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a tall clear glass (c) turmeric powder (d) water with food colour
17. 17.🧺 Which of these is not needed for the density tower? (a) honey (b) a tall clear glass (c) a magnet (d) cooking oil
18. 18.🧺 Which of these is needed for the density tower? (a) yeast (b) a mirror (c) honey (d) a battery cell
19. 19.🍯 Which of these is denser than water? (a) air (b) an ice cube (c) cooking oil (d) very salty water
20. 20.True or false: a spoon is needed for the density tower. (a) False (b) True
21. 21.True or false: honey is denser than water. (a) True (b) False
22. 22.🍯 Which of these is denser than water? (a) a ping-pong ball (b) a cork (c) cooking oil (d) a glass marble
23. 23.🧺 Do we need a magnet for the density tower? (a) not needed (b) needed
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 “the same three liquids”? (a) we change it (b) we measure it (c) we keep it the same
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 same glass is what we measure. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) a cork (b) honey (c) a ping-pong ball (d) cooking oil
27. 27.⚖️ 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
28. 28.🔍 Which layer is on top in the honey-water-oil tower? (a) cooking oil (b) honey (c) the spoon (d) coloured water
29. 29.📘 What does “dense” mean? (a) very colourful (b) very hot (c) heavy for its size (d) very thin
30. 30.⚖️ 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 three liquids (b) the order of the layers (c) the order of pouring (d) how much of each liquid
31. 31.⚖️ 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 same glass (c) the order of the layers
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: the order of the layers is what we measure. (a) True (b) False
33. 33.⚖️ 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 kept the same. (a) False (b) True
34. 34.True or false: turmeric powder is not needed for the density tower. (a) False (b) True
35. 35.True or false: honey is not needed for the density tower. (a) False (b) True
36. 36.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) yeast (c) honey (d) a spoon
37. 37.True or false: a tall clear glass is not needed for the density tower. (a) False (b) True
38. 38.🍯 Which of these is less dense than water? (a) cooking oil (b) a pebble (c) a glass marble (d) very salty water
39. 39.🍯 Is a glass marble denser or less dense than water? (a) denser than water (b) less dense than water
40. 40.🍯 Is air denser or less dense than water? (a) denser than water (b) less dense than water

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