Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 538 · 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.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they turn to honey (b) they separate again (c) they become solid (d) they mix for ever
2. 2.🍯 Is a pebble denser or less dense than water? (a) denser than water (b) less dense than water
3. 3.🔍 Which is the odd one out? (a) air (b) an ice cube (c) a ping-pong ball (d) a glass marble
4. 4.True or false: a cork is denser than water. (a) False (b) True
5. 5.🔍 Which is the odd one out? (a) a cork (b) an ice cube (c) a ping-pong ball (d) a pebble
6. 6.🫗 Why does cooking oil float on top of water? (a) oil is hot (b) oil is sticky (c) oil is heavier (d) oil is less dense
7. 7.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) a battery cell (c) honey (d) water with food colour
8. 8.🛟 Why should we wipe up spilled oil at once? (a) oil attracts magnets (b) oil makes it rain (c) spilled oil is slippery (d) oil turns into honey
9. 9.True or false: a mirror is needed for the density tower. (a) True (b) False
10. 10.🍯 Why does honey sink to the bottom of the glass? (a) it is the coldest (b) it is the stickiest (c) it is the densest (d) it is yellow
11. 11.🧺 Do we need a magnet for the density tower? (a) not needed (b) needed
12. 12.📘 What does “dense” mean? (a) very thin (b) heavy for its size (c) very hot (d) very colourful
13. 13.🛟 Which rule keeps the density tower experiment safe? (a) throw the glass (b) pour it on the floor (c) do not lick the spoon (d) taste each layer
14. 14.⚖️ 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) how much of each liquid (b) the same glass (c) the same three liquids (d) the order of pouring
15. 15.True or false: very salty water is denser than water. (a) False (b) True
16. 16.🧺 Which of these is needed for the density tower? (a) a magnet (b) a tall clear glass (c) a balloon (d) turmeric powder
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 “the order of the layers”? (a) we change it (b) we keep it the same (c) we measure it
18. 18.True or false: a mirror is not needed for the density tower. (a) True (b) False
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 same glass (c) the order of the layers (d) the same three liquids
20. 20.🔍 What do you see after pouring honey, water and oil into one glass? (a) one mixed colour (b) bubbles of gas (c) three separate layers (d) the glass gets hot
21. 21.True or false: a coin is less dense than water. (a) False (b) True
22. 22.🍯 Is air denser or less dense than water? (a) denser than water (b) less dense than water
23. 23.True or false: cooking oil is not needed for the density tower. (a) True (b) False
24. 24.True or false: yeast is needed for the density tower. (a) True (b) False
25. 25.🧺 Which of these is needed for the density tower? (a) yeast (b) cooking oil (c) turmeric powder (d) a magnet
26. 26.⚖️ 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
27. 27.🔍 Which is the odd one out? (a) air (b) an ice cube (c) cooking oil (d) honey
28. 28.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) a tall clear glass (c) cooking oil (d) a mirror
29. 29.True or false: a spoon is not needed for the density tower. (a) True (b) False
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: how much of each liquid is what we measure. (a) False (b) True
31. 31.🍯 Is cooking oil denser or less dense than water? (a) denser than water (b) less dense than water
32. 32.True or false: a battery cell is needed for the density tower. (a) True (b) False
33. 33.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) honey (c) a balloon (d) a tall clear glass
34. 34.🍯 Which of these is less dense than water? (a) very salty water (b) a pebble (c) an ice cube (d) a glass marble
35. 35.🧺 Which of these is needed for the density tower? (a) a balloon (b) a magnet (c) turmeric powder (d) honey
36. 36.🧺 Which of these is needed for the density tower? (a) a spoon (b) turmeric powder (c) a mirror (d) yeast
37. 37.🧺 Do we need cooking oil for the density tower? (a) not needed (b) needed
38. 38.🧺 Which of these is not needed for the density tower? (a) a balloon (b) water with food colour (c) honey (d) a spoon
39. 39.⚖️ 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) True (b) False
40. 40.🍯 Is very salty water denser or less dense than water? (a) denser than water (b) less dense than water

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