Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 616 · 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 coin is less dense than water. (a) True (b) False
2. 2.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) in the water layer (b) in the honey layer (c) on top of the oil (d) under the honey
3. 3.⚖️ 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) True (b) False
4. 4.🛟 Why should we wipe up spilled oil at once? (a) oil makes it rain (b) oil attracts magnets (c) oil turns into honey (d) spilled oil is slippery
5. 5.🧺 Which of these is not needed for the density tower? (a) water with food colour (b) honey (c) a spoon (d) a battery cell
6. 6.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a mirror (b) a tall clear glass (c) water with food colour (d) cooking oil
7. 7.🍯 Which of these is less dense than water? (a) a pebble (b) a ping-pong ball (c) a coin (d) very salty water
8. 8.⚖️ 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
9. 9.🍯 Is an ice cube denser or less dense than water? (a) denser than water (b) less dense than water
10. 10.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a spoon (c) a tall clear glass (d) a magnet
11. 11.⚖️ 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
12. 12.🛟 Which rule keeps the density tower experiment safe? (a) pour it on the floor (b) taste each layer (c) throw the glass (d) do not lick the spoon
13. 13.⚖️ 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 keep it the same (c) we change it
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: how much of each liquid is the one thing we change. (a) False (b) True
15. 15.True or false: a battery cell is needed for the density tower. (a) False (b) True
16. 16.True or false: turmeric powder is not needed for the density tower. (a) True (b) False
17. 17.🧺 Which of these is needed for the density tower? (a) a magnet (b) cooking oil (c) yeast (d) a battery cell
18. 18.True or false: cooking oil is less dense than water. (a) False (b) True
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 same three liquids”? (a) we measure it (b) we change it (c) we keep it the same
20. 20.🍯 Is a coin denser or less dense than water? (a) less dense than water (b) denser than water
21. 21.🧺 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) water with food colour
22. 22.🍯 Which of these is less dense than water? (a) air (b) a pebble (c) very salty water (d) a coin
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 same three liquids is the one thing we change. (a) True (b) False
24. 24.🍯 Is cooking oil denser or less dense than water? (a) denser than water (b) less dense than water
25. 25.🔍 Which is the odd one out? (a) a glass marble (b) honey (c) a coin (d) cooking oil
26. 26.True or false: a mirror is needed for the density tower. (a) True (b) False
27. 27.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) on top of the oil (b) at the very bottom (c) in the water layer (d) in the oil layer
28. 28.🧺 Which of these is needed for the density tower? (a) yeast (b) a battery cell (c) a tall clear glass (d) a mirror
29. 29.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they separate again (b) they mix for ever (c) they become solid (d) they turn to honey
30. 30.🫗 Why does cooking oil float on top of water? (a) oil is less dense (b) oil is sticky (c) oil is hot (d) oil is heavier
31. 31.🍯 Is air denser or less dense than water? (a) less dense than water (b) denser than water
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 order of the layers”? (a) we change it (b) we keep it the same (c) we measure it
33. 33.🍯 Why does honey sink to the bottom of the glass? (a) it is the stickiest (b) it is the coldest (c) it is yellow (d) it is the densest
34. 34.🍯 Which of these is denser than water? (a) an ice cube (b) cooking oil (c) a pebble (d) a ping-pong ball
35. 35.🍯 Is honey denser or less dense than water? (a) denser than water (b) less dense than water
36. 36.True or false: a tall clear glass is not needed for the density tower. (a) False (b) True
37. 37.🧺 Do we need turmeric powder for the density tower? (a) not needed (b) needed
38. 38.True or false: cooking oil is needed for the density tower. (a) False (b) True
39. 39.True or false: a ping-pong ball is less dense than water. (a) False (b) True
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 keep it the same (b) we change it (c) we measure it

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