Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 891 · 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.⚖️ 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 the layers (b) the same glass (c) how much of each liquid (d) the order of pouring
2. 2.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) in the water layer (b) under the honey (c) in the honey layer (d) on top of the oil
3. 3.True or false: honey is not needed for the density tower. (a) True (b) False
4. 4.🍯 Why does honey sink to the bottom of the glass? (a) it is the stickiest (b) it is yellow (c) it is the coldest (d) it is the densest
5. 5.🔍 Which is the odd one out? (a) a cork (b) an ice cube (c) cooking oil (d) a coin
6. 6.⚖️ 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 order of pouring (c) the same glass
7. 7.⚖️ 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) True (b) False
8. 8.🍯 Which of these is denser than water? (a) an ice cube (b) a ping-pong ball (c) cooking oil (d) honey
9. 9.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) honey (c) a balloon (d) cooking oil
10. 10.🍯 Is a pebble denser or less dense than water? (a) less dense than water (b) denser than water
11. 11.🔍 Which is the odd one out? (a) a pebble (b) very salty water (c) a glass marble (d) a ping-pong ball
12. 12.🛟 Which rule keeps the density tower experiment safe? (a) throw the glass (b) taste each layer (c) do not lick the spoon (d) pour it on the floor
13. 13.⚖️ 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 same three liquids (b) how much of each liquid (c) the order of pouring (d) the order of the layers
14. 14.🔍 Which is the odd one out? (a) a glass marble (b) air (c) an ice cube (d) cooking oil
15. 15.🍯 Which of these is denser than water? (a) a ping-pong ball (b) a cork (c) air (d) a pebble
16. 16.🛟 Why should we wipe up spilled oil at once? (a) oil turns into honey (b) oil makes it rain (c) spilled oil is slippery (d) oil attracts magnets
17. 17.True or false: a ping-pong ball is less dense than water. (a) False (b) True
18. 18.🍯 Is an ice cube denser or less dense than water? (a) less dense than water (b) denser than water
19. 19.⚖️ 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 change it (c) we keep it the same
20. 20.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) a magnet (c) a tall clear glass (d) a spoon
21. 21.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a tall clear glass (c) a mirror (d) cooking oil
22. 22.🔍 Which layer is on top in the honey-water-oil tower? (a) the spoon (b) coloured water (c) cooking oil (d) honey
23. 23.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) turmeric powder (b) a spoon (c) honey (d) a tall clear glass
24. 24.🧺 Do we need cooking oil for the density tower? (a) not needed (b) needed
25. 25.True or false: a ping-pong ball is denser than water. (a) True (b) False
26. 26.🧺 Which of these is needed for the density tower? (a) a magnet (b) water with food colour (c) a balloon (d) a battery cell
27. 27.True or false: a pebble is denser than water. (a) True (b) False
28. 28.🫗 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
29. 29.🍯 Is a ping-pong ball denser or less dense than water? (a) denser than water (b) less dense than water
30. 30.⚖️ 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
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 three liquids (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 same glass is kept the same. (a) False (b) True
33. 33.🍯 Which of these is denser than water? (a) cooking oil (b) very salty water (c) an ice cube (d) air
34. 34.🍯 Which of these is less dense than water? (a) a cork (b) very salty water (c) honey (d) a glass marble
35. 35.🔍 What do you see after pouring honey, water and oil into one glass? (a) the glass gets hot (b) one mixed colour (c) three separate layers (d) bubbles of gas
36. 36.🧺 Which of these is needed for the density tower? (a) yeast (b) a spoon (c) a battery cell (d) a balloon
37. 37.True or false: a mirror is needed for the density tower. (a) True (b) False
38. 38.⚖️ 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 measure it (c) we change it
39. 39.True or false: a balloon is not needed for the density tower. (a) False (b) True
40. 40.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) a spoon (c) a magnet (d) a tall clear glass

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