Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 143 · 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.🛟 Why should we wipe up spilled oil at once? (a) oil turns into honey (b) oil attracts magnets (c) oil makes it rain (d) spilled oil is slippery
2. 2.🍯 Is a cork denser or less dense than water? (a) less dense than water (b) denser than water
3. 3.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a balloon (c) a tall clear glass (d) cooking oil
4. 4.🍯 Which of these is denser than water? (a) air (b) a cork (c) a pebble (d) an ice cube
5. 5.⚖️ 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 keep it the same (b) we measure it (c) we change it
6. 6.⚖️ 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 pouring (b) how much of each liquid (c) the order of the layers
7. 7.🔍 Which is the odd one out? (a) an ice cube (b) honey (c) cooking oil (d) a cork
8. 8.🔍 What do you see after pouring honey, water and oil into one glass? (a) bubbles of gas (b) one mixed colour (c) three separate layers (d) the glass gets hot
9. 9.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they separate again (b) they become solid (c) they turn to honey (d) they mix for ever
10. 10.🍯 Which of these is denser than water? (a) an ice cube (b) a coin (c) air (d) a cork
11. 11.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) a battery cell (c) a balloon (d) water with food colour
12. 12.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) cooking oil (b) honey (c) a spoon (d) a mirror
13. 13.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) cooking oil (c) a battery cell (d) a spoon
14. 14.🔮 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
15. 15.⚖️ 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 change it (b) we keep it the same (c) we measure it
16. 16.🍯 Is a pebble denser or less dense than water? (a) less dense than water (b) denser than water
17. 17.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) a spoon (c) a magnet (d) a battery cell
18. 18.🍯 Is a ping-pong ball denser or less dense than water? (a) less dense than water (b) denser than water
19. 19.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) turmeric powder (c) water with food colour (d) a spoon
20. 20.🍯 Which of these is less dense than water? (a) very salty water (b) honey (c) a cork (d) a coin
21. 21.🍯 Why does honey sink to the bottom of the glass? (a) it is the stickiest (b) it is yellow (c) it is the coldest (d) it is the densest
22. 22.🧺 Do we need a magnet for the density tower? (a) needed (b) not needed
23. 23.True or false: very salty water is denser than water. (a) False (b) True
24. 24.⚖️ 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
25. 25.⚖️ 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
26. 26.🔍 Which layer is on top in the honey-water-oil tower? (a) coloured water (b) the spoon (c) honey (d) cooking oil
27. 27.🧺 Which of these is needed for the density tower? (a) a balloon (b) a magnet (c) a battery cell (d) honey
28. 28.🔍 Which is the odd one out? (a) a cork (b) an ice cube (c) cooking oil (d) a coin
29. 29.🧺 Do we need a spoon for the density tower? (a) not needed (b) needed
30. 30.True or false: air is less dense than water. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) air (b) a cork (c) a pebble (d) an ice cube
32. 32.🧺 Do we need turmeric powder for the density tower? (a) not needed (b) needed
33. 33.True or false: a tall clear glass is not needed for the density tower. (a) True (b) False
34. 34.🧺 Do we need a balloon for the density tower? (a) needed (b) not needed
35. 35.⚖️ 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 measure it (b) we keep it the same (c) we change it
36. 36.True or false: cooking oil is less dense than water. (a) True (b) False
37. 37.🧺 Which of these is not needed for the density tower? (a) honey (b) a tall clear glass (c) a battery cell (d) water with food colour
38. 38.⚖️ 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
39. 39.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed
40. 40.🧺 Do we need yeast for the density tower? (a) not needed (b) needed

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