Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 507 · 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: cooking oil is less dense than water. (a) False (b) True
2. 2.True or false: a pebble is less dense than water. (a) True (b) False
3. 3.🔮 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
4. 4.⚖️ 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
5. 5.🍯 Is cooking oil denser or less dense than water? (a) less dense than water (b) denser than water
6. 6.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the oil layer (b) in the water layer (c) at the very bottom (d) on top of the oil
7. 7.🧺 Which of these is not needed for the density tower? (a) honey (b) water with food colour (c) turmeric powder (d) a spoon
8. 8.🧺 Do we need cooking oil for the density tower? (a) not needed (b) needed
9. 9.True or false: water with food colour is needed for the density tower. (a) True (b) False
10. 10.🧺 Which of these is needed for the density tower? (a) yeast (b) a balloon (c) cooking oil (d) a mirror
11. 11.True or false: a coin is denser than water. (a) False (b) True
12. 12.⚖️ 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 same glass (b) the order of the layers (c) the order of pouring (d) how much of each liquid
13. 13.🛟 Which rule keeps the density tower experiment safe? (a) pour it on the floor (b) taste each layer (c) do not lick the spoon (d) throw the glass
14. 14.⚖️ 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 measure it (c) we keep it the same
15. 15.True or false: yeast is needed for the density tower. (a) False (b) True
16. 16.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) in the honey layer (b) in the water layer (c) on top of the oil (d) under the honey
17. 17.🧺 Which of these is needed for the density tower? (a) a mirror (b) a tall clear glass (c) a battery cell (d) yeast
18. 18.🧺 Do we need water with food colour for the density tower? (a) needed (b) not needed
19. 19.🔍 Which is the odd one out? (a) air (b) a cork (c) cooking oil (d) very salty water
20. 20.🍯 Is air denser or less dense than water? (a) less dense than water (b) denser than water
21. 21.⚖️ 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 what we measure. (a) False (b) True
22. 22.🧺 Do we need yeast for the density tower? (a) needed (b) not needed
23. 23.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) honey (c) a tall clear glass (d) a battery cell
24. 24.🍯 Is a pebble denser or less dense than water? (a) less dense than water (b) denser than water
25. 25.True or false: a ping-pong ball is denser than water. (a) True (b) False
26. 26.🧺 Which of these is needed for the density tower? (a) a mirror (b) a spoon (c) a magnet (d) turmeric powder
27. 27.🧺 Do we need a tall clear glass for the density tower? (a) needed (b) not needed
28. 28.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a mirror (c) cooking oil (d) a tall clear glass
29. 29.🔍 Which is the odd one out? (a) honey (b) very salty water (c) cooking oil (d) a coin
30. 30.🔍 Which is the odd one out? (a) air (b) a glass marble (c) a cork (d) an ice cube
31. 31.🧺 Do we need a magnet for the density tower? (a) not needed (b) needed
32. 32.🍯 Which of these is less dense than water? (a) cooking oil (b) honey (c) a glass marble (d) very salty water
33. 33.🔍 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
34. 34.True or false: honey is needed for the density tower. (a) True (b) False
35. 35.True or false: a balloon is not needed for the density tower. (a) False (b) True
36. 36.⚖️ 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) False (b) True
37. 37.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) cooking oil (c) yeast (d) honey
38. 38.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) water with food colour (c) a balloon (d) honey
39. 39.⚖️ 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
40. 40.True or false: a spoon is needed for the density tower. (a) True (b) False

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