Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 508 · 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) spilled oil is slippery (b) oil makes it rain (c) oil attracts magnets (d) oil turns into honey
2. 2.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they become solid (b) they turn to honey (c) they separate again (d) they mix for ever
3. 3.True or false: cooking oil is less dense than water. (a) True (b) False
4. 4.🧺 Which of these is not needed for the density tower? (a) honey (b) cooking oil (c) turmeric powder (d) a tall clear glass
5. 5.🍯 Which of these is denser than water? (a) honey (b) an ice cube (c) cooking oil (d) a cork
6. 6.🧺 Do we need cooking oil for the density tower? (a) needed (b) not needed
7. 7.🛟 Which rule keeps the density tower experiment safe? (a) throw the glass (b) do not lick the spoon (c) pour it on the floor (d) taste each layer
8. 8.True or false: a pebble is less dense than water. (a) True (b) False
9. 9.🍯 Is a glass marble denser or less dense than water? (a) denser than water (b) less dense than water
10. 10.🍯 Which of these is denser than water? (a) a ping-pong ball (b) a cork (c) cooking oil (d) a coin
11. 11.True or false: a mirror is not needed for the density tower. (a) False (b) True
12. 12.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) honey (c) a tall clear glass (d) a balloon
13. 13.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) on top of the oil (b) under the honey (c) in the honey layer (d) in the water layer
14. 14.🧺 Which of these is not needed for the density tower? (a) a battery cell (b) a spoon (c) cooking oil (d) water with food colour
15. 15.True or false: a balloon is needed for the density tower. (a) True (b) False
16. 16.🍯 Is air denser or less dense than water? (a) denser than water (b) less dense than water
17. 17.True or false: honey is denser than water. (a) False (b) True
18. 18.📘 What does “dense” mean? (a) very colourful (b) very thin (c) very hot (d) heavy for its size
19. 19.🔍 Which is the odd one out? (a) cooking oil (b) a pebble (c) a ping-pong ball (d) air
20. 20.🍯 Is a coin denser or less dense than water? (a) less dense than water (b) denser than water
21. 21.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) at the very bottom (b) in the oil layer (c) on top of the oil (d) in the water layer
22. 22.🍯 Which of these is less dense than water? (a) a pebble (b) a ping-pong ball (c) very salty water (d) a glass marble
23. 23.🧺 Do we need a tall clear glass for the density tower? (a) needed (b) not needed
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: how much of each liquid 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? True or false: the same three liquids is the one thing we change. (a) True (b) False
26. 26.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) honey (c) turmeric powder (d) a spoon
27. 27.🍯 Which of these is denser than water? (a) a cork (b) cooking oil (c) a pebble (d) an ice cube
28. 28.🔍 Which is the odd one out? (a) a pebble (b) honey (c) an ice cube (d) a coin
29. 29.🧺 Do we need yeast for the density tower? (a) needed (b) not needed
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: the order of the layers is kept the same. (a) False (b) True
31. 31.⚖️ 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 kept the same. (a) False (b) True
32. 32.🔍 What do you see after pouring honey, water and oil into one glass? (a) the glass gets hot (b) one mixed colour (c) three separate layers (d) bubbles of gas
33. 33.⚖️ 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 order of pouring (b) how much of each liquid (c) the order of the layers (d) the same glass
34. 34.🔍 Which layer is on top in the honey-water-oil tower? (a) cooking oil (b) honey (c) coloured water (d) the spoon
35. 35.🍯 Which of these is denser than water? (a) an ice cube (b) a cork (c) a glass marble (d) a ping-pong ball
36. 36.⚖️ 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
37. 37.True or false: air is denser than water. (a) True (b) False
38. 38.⚖️ 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
39. 39.🧺 Do we need a magnet for the density tower? (a) not needed (b) needed
40. 40.🍯 Which of these is less dense than water? (a) very salty water (b) a coin (c) a pebble (d) an ice cube

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