Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 260 · 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: honey is denser than water. (a) False (b) True
2. 2.🔮 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
3. 3.🔍 Which is the odd one out? (a) a cork (b) an ice cube (c) honey (d) cooking oil
4. 4.🧺 Which of these is needed for the density tower? (a) honey (b) a battery cell (c) a mirror (d) a balloon
5. 5.🛟 Which rule keeps the density tower experiment safe? (a) taste each layer (b) throw the glass (c) do not lick the spoon (d) pour it on the floor
6. 6.🔍 Which is the odd one out? (a) a glass marble (b) a ping-pong ball (c) a coin (d) a pebble
7. 7.⚖️ 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
8. 8.True or false: turmeric powder is not needed for the density tower. (a) True (b) False
9. 9.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) cooking oil (c) a balloon (d) water with food colour
10. 10.True or false: a glass marble is denser than water. (a) True (b) False
11. 11.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a tall clear glass (c) turmeric powder (d) cooking oil
12. 12.🛟 Why should we wipe up spilled oil at once? (a) spilled oil is slippery (b) oil turns into honey (c) oil attracts magnets (d) oil makes it rain
13. 13.🧺 Do we need a battery cell for the density tower? (a) needed (b) not needed
14. 14.🔍 What do you see after pouring honey, water and oil into one glass? (a) three separate layers (b) the glass gets hot (c) bubbles of gas (d) one mixed colour
15. 15.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they separate again (b) they mix for ever (c) they become solid (d) they turn to honey
16. 16.⚖️ 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
17. 17.🧺 Which of these is needed for the density tower? (a) water with food colour (b) yeast (c) a mirror (d) turmeric powder
18. 18.🍯 Which of these is denser than water? (a) a cork (b) very salty water (c) air (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? True or false: the order of the layers is the one thing we change. (a) True (b) False
20. 20.⚖️ 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
21. 21.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) cooking oil (c) honey (d) a battery cell
22. 22.True or false: a ping-pong ball is denser than water. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) cooking oil (b) a coin (c) a ping-pong ball (d) an ice cube
24. 24.🧺 Which of these is needed for the density tower? (a) cooking oil (b) a balloon (c) yeast (d) a mirror
25. 25.🧺 Do we need cooking oil for the density tower? (a) not needed (b) needed
26. 26.⚖️ 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) the order of the layers (c) the order of pouring (d) the same three liquids
27. 27.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a mirror (b) a tall clear glass (c) honey (d) cooking oil
28. 28.🧺 Do we need turmeric powder for the density tower? (a) needed (b) not needed
29. 29.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) a spoon (c) a balloon (d) a magnet
30. 30.⚖️ 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
31. 31.⚖️ 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 pouring (c) how much of each liquid (d) the same three liquids
32. 32.🍯 Which of these is less dense than water? (a) a pebble (b) a glass marble (c) a coin (d) a cork
33. 33.True or false: a pebble is less dense than water. (a) True (b) False
34. 34.📘 What does “dense” mean? (a) heavy for its size (b) very hot (c) very colourful (d) very thin
35. 35.🫗 Why does cooking oil float on top of water? (a) oil is heavier (b) oil is hot (c) oil is less dense (d) oil is sticky
36. 36.True or false: yeast is needed for the density tower. (a) False (b) True
37. 37.🧺 Which of these is not needed for the density tower? (a) a magnet (b) a tall clear glass (c) cooking oil (d) honey
38. 38.🍯 Which of these is denser than water? (a) cooking oil (b) a ping-pong ball (c) air (d) a coin
39. 39.True or false: water with food colour is needed for the density tower. (a) True (b) False
40. 40.⚖️ 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

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