Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 433 · 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.⚖️ 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 change it (c) we keep it the same
2. 2.🔍 Which is the odd one out? (a) honey (b) a glass marble (c) a coin (d) a ping-pong ball
3. 3.🍯 Which of these is denser than water? (a) an ice cube (b) very salty water (c) a cork (d) a ping-pong ball
4. 4.🧺 Do we need water with food colour for the density tower? (a) not needed (b) needed
5. 5.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a battery cell (b) water with food colour (c) honey (d) a tall clear glass
6. 6.🫗 Why does cooking oil float on top of water? (a) oil is heavier (b) oil is sticky (c) oil is hot (d) oil is less dense
7. 7.🍯 Is an ice cube denser or less dense than water? (a) denser than water (b) less dense than water
8. 8.⚖️ 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 three liquids (b) the order of pouring (c) the order of the layers (d) the same glass
9. 9.🛟 Why should we wipe up spilled oil at once? (a) oil turns into honey (b) spilled oil is slippery (c) oil attracts magnets (d) oil makes it rain
10. 10.⚖️ 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 measure it (c) we change it
11. 11.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they mix for ever (b) they separate again (c) they become solid (d) they turn to honey
12. 12.True or false: a pebble is less dense than water. (a) False (b) True
13. 13.🍯 Which of these is less dense than water? (a) a glass marble (b) an ice cube (c) honey (d) very salty water
14. 14.🧺 Do we need a balloon for the density tower? (a) needed (b) not needed
15. 15.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) under the honey (b) in the honey layer (c) on top of the oil (d) in the water layer
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 same glass (b) the order of the layers (c) the order of pouring
17. 17.🔍 Which is the odd one out? (a) a glass marble (b) honey (c) a pebble (d) cooking oil
18. 18.🔍 What do you see after pouring honey, water and oil into one glass? (a) the glass gets hot (b) three separate layers (c) bubbles of gas (d) one mixed colour
19. 19.🧺 Which of these is not needed for the density tower? (a) water with food colour (b) cooking oil (c) a battery cell (d) a tall clear glass
20. 20.🛟 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
21. 21.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a magnet (b) cooking oil (c) honey (d) water with food colour
22. 22.True or false: cooking oil is not needed for the density tower. (a) True (b) False
23. 23.True or false: a coin is less dense than water. (a) True (b) False
24. 24.🧺 Which of these is not needed for the density tower? (a) a tall clear glass (b) a spoon (c) cooking oil (d) yeast
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 glass is what we measure. (a) True (b) False
26. 26.⚖️ 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 change it (b) we keep it the same (c) we measure it
27. 27.⚖️ 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 what we measure. (a) True (b) False
28. 28.🧺 Which of these is needed for the density tower? (a) a battery cell (b) a mirror (c) a tall clear glass (d) turmeric powder
29. 29.🔍 Which is the odd one out? (a) an ice cube (b) a glass marble (c) a pebble (d) honey
30. 30.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a mirror (b) honey (c) a tall clear glass (d) a spoon
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: how much of each liquid is kept the same. (a) True (b) False
32. 32.🍯 Is a ping-pong ball denser or less dense than water? (a) denser than water (b) less dense than water
33. 33.🧺 Do we need a mirror for the density tower? (a) not needed (b) needed
34. 34.🍯 Is a glass marble denser or less dense than water? (a) less dense than water (b) denser than water
35. 35.🍯 Is air denser or less dense than water? (a) less dense than water (b) denser than water
36. 36.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) cooking oil (c) yeast (d) honey
37. 37.🧺 Which of these is needed for the density tower? (a) turmeric powder (b) a magnet (c) a spoon (d) a balloon
38. 38.🧺 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) turmeric powder (d) honey
39. 39.🧺 Do we need a tall clear glass for the density tower? (a) needed (b) not needed
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 the layers is what we measure. (a) True (b) False

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