Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 792 · 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.True or false: a tall clear glass is needed for the density tower. (a) True (b) False
2. 2.🛟 Why should we wipe up spilled oil at once? (a) oil makes it rain (b) spilled oil is slippery (c) oil turns into honey (d) oil attracts magnets
3. 3.🍯 Is a coin denser or less dense than water? (a) less dense than water (b) denser than water
4. 4.🫗 Why does cooking oil float on top of water? (a) oil is sticky (b) oil is hot (c) oil is heavier (d) oil is less dense
5. 5.🍯 Is a pebble denser or less dense than water? (a) less dense than water (b) denser than water
6. 6.⚖️ 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 kept the same. (a) True (b) False
7. 7.True or false: water with food colour is needed for the density tower. (a) True (b) False
8. 8.True or false: cooking oil is not needed for the density tower. (a) False (b) True
9. 9.⚖️ 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 glass (b) the order of the layers (c) the same three liquids (d) the order of pouring
10. 10.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) a tall clear glass (c) a mirror (d) honey
11. 11.🧺 Do we need turmeric powder for the density tower? (a) needed (b) not needed
12. 12.True or false: a glass marble is less dense than water. (a) True (b) False
13. 13.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) under the honey (b) on top of the oil (c) in the water layer (d) in the honey layer
14. 14.🧺 Do we need a magnet for the density tower? (a) not needed (b) needed
15. 15.🍯 Which of these is less dense than water? (a) a ping-pong ball (b) very salty water (c) honey (d) a glass marble
16. 16.🛟 Which rule keeps the density tower experiment safe? (a) do not lick the spoon (b) taste each layer (c) throw the glass (d) pour it on the floor
17. 17.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) a battery cell (c) a spoon (d) cooking oil
18. 18.True or false: a tall clear glass is not needed for the density tower. (a) False (b) True
19. 19.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a magnet (c) a spoon (d) a tall clear glass
20. 20.True or false: a spoon is not needed for the density tower. (a) False (b) True
21. 21.True or false: honey is needed for the density tower. (a) True (b) False
22. 22.True or false: a battery cell is not needed for the density tower. (a) False (b) True
23. 23.🧺 Which of these is not needed for the density tower? (a) a magnet (b) honey (c) cooking oil (d) a spoon
24. 24.🔮 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
25. 25.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) water with food colour (c) a spoon (d) a mirror
26. 26.True or false: honey is not needed for the density tower. (a) False (b) True
27. 27.True or false: yeast is not needed for the density tower. (a) False (b) True
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 same three liquids is kept the same. (a) False (b) True
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 what we measure? (a) how much of each liquid (b) the order of the layers (c) the same glass (d) the order of pouring
30. 30.🔍 Which is the odd one out? (a) a pebble (b) a ping-pong ball (c) cooking oil (d) an ice cube
31. 31.🧺 Which of these is needed for the density tower? (a) a battery cell (b) water with food colour (c) a balloon (d) turmeric powder
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 same three liquids”? (a) we keep it the same (b) we change it (c) we measure it
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 pouring is what we measure. (a) True (b) False
34. 34.🍯 Which of these is less dense than water? (a) a cork (b) honey (c) a glass marble (d) very salty water
35. 35.🍯 Which of these is denser than water? (a) cooking oil (b) an ice cube (c) air (d) a coin
36. 36.🍯 Is air denser or less dense than water? (a) denser than water (b) less dense than water
37. 37.True or false: a glass marble is denser than water. (a) True (b) False
38. 38.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the oil layer (b) on top of the oil (c) in the water layer (d) at the very bottom
39. 39.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) cooking oil (c) a magnet (d) a mirror
40. 40.🔍 Which is the odd one out? (a) air (b) a ping-pong ball (c) honey (d) an ice cube

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