Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 217 · 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: air is denser than water. (a) True (b) False
2. 2.🍯 Is cooking oil denser or less dense than water? (a) less dense than water (b) denser than water
3. 3.🧺 Which of these is needed for the density tower? (a) a mirror (b) turmeric powder (c) water with food colour (d) a balloon
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.🧺 Which of these is needed for the density tower? (a) yeast (b) turmeric powder (c) a magnet (d) a spoon
6. 6.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a battery cell (c) cooking oil (d) a tall clear glass
7. 7.True or false: a coin is denser than water. (a) False (b) True
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 same glass is the one thing we change. (a) True (b) False
9. 9.🧺 Which of these is not needed for the density tower? (a) a spoon (b) honey (c) cooking oil (d) a magnet
10. 10.⚖️ 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
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) a tall clear glass (b) turmeric powder (c) honey (d) a spoon
13. 13.⚖️ 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 same three liquids (b) the order of the layers (c) the order of pouring
14. 14.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) water with food colour (c) cooking oil (d) yeast
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 “the order of pouring”? (a) we change it (b) we keep it the same (c) we measure it
16. 16.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they mix for ever (b) they become solid (c) they separate again (d) they turn to honey
17. 17.⚖️ 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 keep it the same (b) we change it (c) we measure it
18. 18.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a balloon (b) water with food colour (c) a spoon (d) cooking oil
19. 19.⚖️ 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) how much of each liquid (b) the order of the layers (c) the same three liquids (d) the same glass
20. 20.🍯 Is honey denser or less dense than water? (a) less dense than water (b) denser than water
21. 21.🧺 Which of these is not needed for the density tower? (a) a spoon (b) water with food colour (c) a mirror (d) a tall clear glass
22. 22.🍯 Which of these is less dense than water? (a) cooking oil (b) a pebble (c) a coin (d) honey
23. 23.🍯 Which of these is less dense than water? (a) a glass marble (b) a pebble (c) very salty water (d) a ping-pong ball
24. 24.🔍 Which is the odd one out? (a) a cork (b) a ping-pong ball (c) honey (d) air
25. 25.🛟 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
26. 26.🍯 Is a pebble denser or less dense than water? (a) less dense than water (b) denser than water
27. 27.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) under the honey (b) on top of the oil (c) in the water layer (d) in the honey layer
28. 28.🔍 Which is the odd one out? (a) a pebble (b) honey (c) very salty water (d) air
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 order of pouring is the one thing we change. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) air (b) an ice cube (c) very salty water (d) cooking oil
31. 31.🛟 Which rule keeps the density tower experiment safe? (a) pour it on the floor (b) do not lick the spoon (c) taste each layer (d) throw the glass
32. 32.True or false: a balloon is not needed for the density tower. (a) False (b) True
33. 33.🧺 Which of these is not needed for the density tower? (a) yeast (b) a tall clear glass (c) honey (d) cooking oil
34. 34.⚖️ 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 order of pouring (c) the same glass
35. 35.🧺 Do we need a spoon for the density tower? (a) not needed (b) needed
36. 36.🧺 Do we need honey for the density tower? (a) not needed (b) needed
37. 37.🔍 Which layer is on top in the honey-water-oil tower? (a) cooking oil (b) coloured water (c) the spoon (d) honey
38. 38.🧺 Do we need a battery cell for the density tower? (a) needed (b) not needed
39. 39.True or false: a spoon is not needed for the density tower. (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? True or false: the order of pouring is what we measure. (a) False (b) True

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