Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 277 · 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? True or false: the same glass is kept the same. (a) False (b) True
2. 2.🫗 Why does cooking oil float on top of water? (a) oil is less dense (b) oil is sticky (c) oil is heavier (d) oil is hot
3. 3.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they turn to honey (b) they mix for ever (c) they become solid (d) they separate again
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 the layers is the one thing we change. (a) False (b) True
5. 5.⚖️ 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 same three liquids (d) the order of pouring
6. 6.⚖️ 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
7. 7.🛟 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
8. 8.⚖️ 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 keep it the same (c) we change it
9. 9.🔍 Which is the odd one out? (a) very salty water (b) a pebble (c) a cork (d) a coin
10. 10.⚖️ 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) True (b) False
11. 11.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a tall clear glass (b) a mirror (c) a spoon (d) honey
12. 12.⚖️ 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
13. 13.🔍 What do you see after pouring honey, water and oil into one glass? (a) the glass gets hot (b) one mixed colour (c) bubbles of gas (d) three separate layers
14. 14.🍯 Is very salty water denser or less dense than water? (a) less dense than water (b) denser than water
15. 15.🍯 Which of these is less dense than water? (a) very salty water (b) a pebble (c) a ping-pong ball (d) a coin
16. 16.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) cooking oil (c) turmeric powder (d) a tall clear glass
17. 17.🧺 Do we need a spoon for the density tower? (a) not needed (b) needed
18. 18.⚖️ 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 kept the same. (a) True (b) False
19. 19.🧺 Do we need honey for the density tower? (a) not needed (b) needed
20. 20.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) a balloon (c) honey (d) water with food colour
21. 21.🧺 Do we need a magnet for the density tower? (a) not needed (b) needed
22. 22.True or false: a battery cell is needed for the density tower. (a) True (b) False
23. 23.⚖️ 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
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: the order of pouring is the one thing we change. (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? Which of these is what we measure? (a) the order of pouring (b) the order of the layers (c) the same glass (d) how much of each liquid
26. 26.🧺 Which of these is needed for the density tower? (a) yeast (b) a balloon (c) a magnet (d) water with food colour
27. 27.🧺 Do we need a balloon for the density tower? (a) needed (b) not needed
28. 28.🍯 Is an ice cube denser or less dense than water? (a) less dense than water (b) denser than water
29. 29.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) cooking oil (c) yeast (d) a spoon
30. 30.🍯 Is air denser or less dense than water? (a) denser than water (b) less dense than water
31. 31.True or false: cooking oil is denser than water. (a) True (b) False
32. 32.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) in the water layer (b) under the honey (c) in the honey layer (d) on top of the oil
33. 33.⚖️ 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 change it (c) we measure it
34. 34.🔍 Which is the odd one out? (a) a ping-pong ball (b) a glass marble (c) cooking oil (d) an ice cube
35. 35.True or false: a balloon is not needed for the density tower. (a) True (b) False
36. 36.True or false: a tall clear glass is not needed for the density tower. (a) True (b) False
37. 37.⚖️ 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
38. 38.🧺 Which of these is needed for the density tower? (a) a mirror (b) turmeric powder (c) a balloon (d) honey
39. 39.🍯 Which of these is less dense than water? (a) very salty water (b) a glass marble (c) cooking oil (d) honey
40. 40.True or false: very salty water is less dense than water. (a) False (b) True

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