Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 424 · 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.🧺 Do we need a balloon for the density tower? (a) not needed (b) needed
2. 2.🔍 Which is the odd one out? (a) a ping-pong ball (b) a coin (c) cooking oil (d) an ice cube
3. 3.🧺 Do we need a magnet for the density tower? (a) not needed (b) needed
4. 4.🧺 Which of these is needed for the density tower? (a) a balloon (b) a mirror (c) a tall clear glass (d) a magnet
5. 5.⚖️ 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 order of the layers (d) how much of each liquid
6. 6.True or false: cooking oil is denser than water. (a) False (b) True
7. 7.🍯 Is air denser or less dense than water? (a) less dense than water (b) denser than water
8. 8.🍯 Is a glass marble denser or less dense than water? (a) denser than water (b) less dense than water
9. 9.True or false: honey is not needed for the density tower. (a) False (b) True
10. 10.🧺 Do we need turmeric powder for the density tower? (a) needed (b) not needed
11. 11.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) under the honey (b) in the honey layer (c) on top of the oil (d) in the water layer
12. 12.True or false: yeast is needed for the density tower. (a) False (b) True
13. 13.True or false: a magnet is needed for the density tower. (a) True (b) False
14. 14.🔍 Which layer is on top in the honey-water-oil tower? (a) honey (b) cooking oil (c) the spoon (d) coloured water
15. 15.True or false: a pebble is denser than water. (a) True (b) False
16. 16.True or false: a balloon is not needed for the density tower. (a) False (b) True
17. 17.🍯 Which of these is less dense than water? (a) a pebble (b) honey (c) a glass marble (d) air
18. 18.⚖️ 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 what we measure. (a) True (b) False
19. 19.🛟 Why should we wipe up spilled oil at once? (a) oil attracts magnets (b) oil turns into honey (c) oil makes it rain (d) spilled oil is slippery
20. 20.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) cooking oil (c) a mirror (d) a spoon
21. 21.⚖️ 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) True (b) False
22. 22.True or false: water with food colour is not needed for the density tower. (a) True (b) False
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 kept the same. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) honey (b) cooking oil (c) air (d) a ping-pong ball
25. 25.🍯 Is honey denser or less dense than water? (a) less dense than water (b) denser than water
26. 26.True or false: a tall clear glass is needed for the density tower. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) a cork (b) a glass marble (c) air (d) cooking oil
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: how much of each liquid is kept the same. (a) True (b) False
29. 29.🧺 Which of these is needed for the density tower? (a) yeast (b) a mirror (c) a magnet (d) cooking oil
30. 30.🍯 Is a cork denser or less dense than water? (a) less dense than water (b) denser than water
31. 31.⚖️ 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 measure it (b) we change it (c) we keep it the same
32. 32.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) honey (c) a balloon (d) a tall clear glass
33. 33.⚖️ 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
34. 34.⚖️ 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) True (b) False
35. 35.🧺 Which of these is needed for the density tower? (a) yeast (b) a battery cell (c) a magnet (d) water with food colour
36. 36.🧺 Do we need a mirror for the density tower? (a) needed (b) not needed
37. 37.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) yeast (c) a tall clear glass (d) cooking oil
38. 38.True or false: a battery cell is not needed for the density tower. (a) False (b) True
39. 39.🍯 Which of these is denser than water? (a) very salty water (b) a cork (c) air (d) an ice cube
40. 40.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the water layer (b) at the very bottom (c) on top of the oil (d) in the oil layer

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