Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 104 · 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) how much of each liquid (b) the same three liquids (c) the same glass (d) the order of pouring
2. 2.🧺 Do we need yeast for the density tower? (a) not needed (b) needed
3. 3.🍯 Is honey denser or less dense than water? (a) denser than water (b) less dense than water
4. 4.🔍 Which is the odd one out? (a) cooking oil (b) a cork (c) very salty water (d) air
5. 5.🧺 Which of these is needed for the density tower? (a) a battery cell (b) a balloon (c) water with food colour (d) yeast
6. 6.🧺 Which of these is not needed for the density tower? (a) honey (b) cooking oil (c) a magnet (d) a tall clear glass
7. 7.🍯 Is very salty water denser or less dense than water? (a) denser than water (b) less dense than water
8. 8.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a mirror (b) a spoon (c) cooking oil (d) honey
9. 9.🧺 Which of these is not needed for the density tower? (a) water with food colour (b) a tall clear glass (c) cooking oil (d) a balloon
10. 10.🔍 Which is the odd one out? (a) a cork (b) cooking oil (c) a ping-pong ball (d) a glass marble
11. 11.⚖️ 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
12. 12.🧺 Which of these is not needed for the density tower? (a) honey (b) a spoon (c) cooking oil (d) yeast
13. 13.True or false: a tall clear glass is not needed for the density tower. (a) True (b) False
14. 14.⚖️ 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
15. 15.⚖️ 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 what we measure. (a) True (b) False
16. 16.⚖️ 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
17. 17.🛟 Why should we wipe up spilled oil at once? (a) oil makes it rain (b) oil attracts magnets (c) spilled oil is slippery (d) oil turns into honey
18. 18.🍯 Is a cork denser or less dense than water? (a) denser than water (b) less dense than water
19. 19.⚖️ 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 what we measure. (a) False (b) True
20. 20.🍯 Which of these is less dense than water? (a) a ping-pong ball (b) a glass marble (c) a coin (d) very salty water
21. 21.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a battery cell (b) honey (c) water with food colour (d) a tall clear glass
22. 22.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) honey (c) a magnet (d) cooking oil
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 same three liquids”? (a) we keep it the same (b) we measure it (c) we change it
24. 24.🔮 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) at the very bottom (d) in the water layer
25. 25.🧺 Do we need cooking oil for the density tower? (a) not needed (b) needed
26. 26.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) a balloon (c) water with food colour (d) a tall clear glass
27. 27.🍯 Which of these is denser than water? (a) air (b) honey (c) cooking oil (d) an ice cube
28. 28.True or false: turmeric powder is not needed for the density tower. (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? True or false: the same glass is what we measure. (a) False (b) True
30. 30.🍯 Why does honey sink to the bottom of the glass? (a) it is the coldest (b) it is yellow (c) it is the densest (d) it is the stickiest
31. 31.🍯 Which of these is less dense than water? (a) a glass marble (b) an ice cube (c) very salty water (d) a coin
32. 32.True or false: a magnet is needed for the density tower. (a) True (b) False
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 the layers is what we measure. (a) False (b) True
34. 34.True or false: a battery cell is needed for the density tower. (a) False (b) True
35. 35.🧺 Which of these is not needed for the density tower? (a) a tall clear glass (b) honey (c) cooking oil (d) a mirror
36. 36.🔍 Which is the odd one out? (a) honey (b) a coin (c) very salty water (d) an ice cube
37. 37.🧺 Which of these is needed for the density tower? (a) a magnet (b) cooking oil (c) a battery cell (d) yeast
38. 38.🍯 Is an ice cube denser or less dense than water? (a) denser than water (b) less dense than water
39. 39.⚖️ 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 same glass (c) the order of pouring
40. 40.⚖️ 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) False (b) True

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