Density Tower Experiment Worksheet

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

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