Density Tower Experiment Worksheet

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

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