Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 111 · 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 cooking oil denser or less dense than water? (a) less dense than water (b) denser than water
2. 2.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) at the very bottom (b) in the oil layer (c) in the water layer (d) on top of the oil
3. 3.🧺 Which of these is not needed for the density tower? (a) a tall clear glass (b) cooking oil (c) honey (d) a magnet
4. 4.🧺 Do we need a balloon for the density tower? (a) needed (b) not needed
5. 5.⚖️ 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
6. 6.🛟 Which rule keeps the density tower experiment safe? (a) pour it on the floor (b) do not lick the spoon (c) throw the glass (d) taste each layer
7. 7.🔍 Which is the odd one out? (a) a ping-pong ball (b) an ice cube (c) a cork (d) a coin
8. 8.True or false: a glass marble is less dense than water. (a) True (b) False
9. 9.📘 What does “dense” mean? (a) very hot (b) very colourful (c) very thin (d) heavy for its size
10. 10.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) a spoon (c) cooking oil (d) a magnet
11. 11.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) water with food colour (c) a spoon (d) a balloon
12. 12.🍯 Which of these is denser than water? (a) honey (b) a ping-pong ball (c) a cork (d) an ice cube
13. 13.🔍 Which is the odd one out? (a) air (b) a ping-pong ball (c) cooking oil (d) very salty water
14. 14.⚖️ 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 kept the same. (a) False (b) True
15. 15.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) in the honey layer (b) under the honey (c) in the water layer (d) on top of the oil
16. 16.⚖️ 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 keep it the same (c) we measure it
17. 17.🍯 Which of these is less dense than water? (a) very salty water (b) a coin (c) a glass marble (d) cooking oil
18. 18.🍯 Which of these is denser than water? (a) an ice cube (b) air (c) cooking oil (d) a coin
19. 19.⚖️ 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 glass (c) the same three liquids (d) how much of each liquid
20. 20.True or false: water with food colour is not needed for the density tower. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) cooking oil (b) a coin (c) a glass marble (d) very salty water
22. 22.🧺 Do we need a mirror for the density tower? (a) needed (b) not needed
23. 23.⚖️ 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 measure it (c) we keep it the same
24. 24.🔍 What do you see after pouring honey, water and oil into one glass? (a) bubbles of gas (b) three separate layers (c) one mixed colour (d) the glass gets hot
25. 25.🫗 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
26. 26.🍯 Is a pebble denser or less dense than water? (a) less dense than water (b) denser than water
27. 27.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they turn to honey (b) they separate again (c) they mix for ever (d) they become solid
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.⚖️ 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 order of the layers (c) the same glass
30. 30.🍯 Is very salty water denser or less dense than water? (a) denser than water (b) less dense than water
31. 31.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a spoon (c) a tall clear glass (d) turmeric powder
32. 32.True or false: air is less dense than water. (a) False (b) True
33. 33.True or false: a magnet is not needed for the density tower. (a) False (b) True
34. 34.True or false: a tall clear glass is not needed for the density tower. (a) False (b) True
35. 35.True or false: an ice cube is denser than water. (a) True (b) False
36. 36.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) water with food colour (c) a mirror (d) a tall clear glass
37. 37.True or false: a tall clear glass is needed for the density tower. (a) True (b) False
38. 38.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a spoon (c) yeast (d) a tall clear glass
39. 39.🧺 Do we need a magnet for the density tower? (a) not needed (b) needed
40. 40.⚖️ 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 measure it (b) we keep it the same (c) we change it

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