Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 421 · 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 is the odd one out? (a) a cork (b) cooking oil (c) a ping-pong ball (d) a coin
2. 2.True or false: a glass marble is denser than water. (a) True (b) False
3. 3.⚖️ 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 keep it the same (b) we change it (c) we measure it
4. 4.True or false: a magnet is not needed for the density tower. (a) False (b) True
5. 5.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they become solid (b) they mix for ever (c) they turn to honey (d) they separate again
6. 6.True or false: very salty water is less dense than water. (a) True (b) False
7. 7.🧺 Do we need a spoon for the density tower? (a) not needed (b) needed
8. 8.🧺 Which of these is needed for the density tower? (a) a magnet (b) a balloon (c) yeast (d) honey
9. 9.⚖️ 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 change it (c) we keep it the same
10. 10.🧺 Do we need a magnet for the density tower? (a) not needed (b) needed
11. 11.⚖️ 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 measure it (b) we change it (c) we keep it the same
12. 12.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) yeast (c) cooking oil (d) water with food colour
13. 13.True or false: a spoon is needed for the density tower. (a) True (b) False
14. 14.📘 What does “dense” mean? (a) very thin (b) very hot (c) heavy for its size (d) very colourful
15. 15.True or false: turmeric powder is needed for the density tower. (a) False (b) True
16. 16.🛟 Which rule keeps the density tower experiment safe? (a) taste each layer (b) pour it on the floor (c) do not lick the spoon (d) throw the glass
17. 17.⚖️ 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 three liquids (d) the same glass
18. 18.🍯 Why does honey sink to the bottom of the glass? (a) it is the coldest (b) it is the stickiest (c) it is yellow (d) it is the densest
19. 19.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) honey (c) water with food colour (d) a balloon
20. 20.True or false: a battery cell is not needed for the density tower. (a) False (b) True
21. 21.🔍 Which layer is on top in the honey-water-oil tower? (a) coloured water (b) the spoon (c) cooking oil (d) honey
22. 22.⚖️ 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
23. 23.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) on top of the oil (b) at the very bottom (c) in the water layer (d) in the oil layer
24. 24.True or false: a ping-pong ball is less dense than water. (a) False (b) True
25. 25.🫗 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
26. 26.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) under the honey (b) in the water layer (c) on top of the oil (d) in the honey layer
27. 27.🍯 Is an ice cube denser or less dense than water? (a) less dense than water (b) denser than water
28. 28.⚖️ 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
29. 29.🍯 Which of these is less dense than water? (a) cooking oil (b) honey (c) a coin (d) very salty water
30. 30.🍯 Is a coin denser or less dense than water? (a) denser than water (b) less dense than water
31. 31.True or false: air is denser than water. (a) False (b) True
32. 32.⚖️ 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 the layers”? (a) we change it (b) we keep it the same (c) we measure it
33. 33.🔍 Which is the odd one out? (a) cooking oil (b) honey (c) a glass marble (d) a coin
34. 34.🔍 Which is the odd one out? (a) a ping-pong ball (b) a pebble (c) air (d) a cork
35. 35.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) a tall clear glass (c) honey (d) a mirror
36. 36.🍯 Which of these is denser than water? (a) a cork (b) cooking oil (c) a ping-pong ball (d) honey
37. 37.🧺 Do we need turmeric powder for the density tower? (a) needed (b) not needed
38. 38.🍯 Is a cork denser or less dense than water? (a) less dense than water (b) denser than water
39. 39.🧺 Which of these is not needed for the density tower? (a) turmeric powder (b) a spoon (c) cooking oil (d) honey
40. 40.⚖️ 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 three liquids (c) the order of the layers

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