Density Tower Experiment Worksheet

Science experiments lesson 2: Density tower: honey, water and oil · Set 361 · 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 same glass”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.⚖️ 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) False (b) True
3. 3.🍯 Is honey denser or less dense than water? (a) less dense than water (b) denser than water
4. 4.🧺 Which of these is needed for the density tower? (a) a battery cell (b) a mirror (c) a spoon (d) a magnet
5. 5.🍯 Which of these is less dense than water? (a) a pebble (b) a coin (c) honey (d) cooking oil
6. 6.🛟 Which rule keeps the density tower experiment safe? (a) taste each layer (b) throw the glass (c) pour it on the floor (d) do not lick the spoon
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 same glass is what we measure. (a) False (b) True
8. 8.⚖️ 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
9. 9.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) honey (b) a battery cell (c) water with food colour (d) a tall clear glass
10. 10.True or false: a battery cell is not needed for the density tower. (a) False (b) True
11. 11.🍯 Which of these is denser than water? (a) cooking oil (b) very salty water (c) a cork (d) a ping-pong ball
12. 12.🍯 Which of these is denser than water? (a) a ping-pong ball (b) a glass marble (c) cooking oil (d) a cork
13. 13.True or false: a ping-pong ball is less dense than water. (a) False (b) True
14. 14.🍯 Is a pebble denser or less dense than water? (a) denser than water (b) less dense than water
15. 15.🔍 Which is the odd one out? (a) a ping-pong ball (b) an ice cube (c) cooking oil (d) very salty water
16. 16.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) in the water layer (b) at the very bottom (c) in the oil layer (d) on top of the oil
17. 17.🍯 Is an ice cube denser or less dense than water? (a) less dense than water (b) denser than water
18. 18.True or false: a pebble is less dense than water. (a) True (b) False
19. 19.🧺 Which of these is needed for the density tower? (a) a battery cell (b) yeast (c) turmeric powder (d) cooking oil
20. 20.🍯 Is air denser or less dense than water? (a) less dense than water (b) denser than water
21. 21.🔮 Predict: you shake oil and water hard in a closed bottle and wait. What happens? (a) they mix for ever (b) they turn to honey (c) they separate again (d) they become solid
22. 22.True or false: a balloon is not needed for the density tower. (a) True (b) False
23. 23.🍯 Which of these is less dense than water? (a) a glass marble (b) a coin (c) an ice cube (d) honey
24. 24.⚖️ 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
25. 25.True or false: cooking oil is denser than water. (a) False (b) True
26. 26.True or false: a tall clear glass is not needed for the density tower. (a) True (b) False
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: the same three liquids is kept the same. (a) True (b) False
28. 28.True or false: very salty water is less dense than water. (a) False (b) True
29. 29.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) water with food colour (b) cooking oil (c) honey (d) turmeric powder
30. 30.🧺 Do we need cooking oil for the density tower? (a) not needed (b) needed
31. 31.True or false: a spoon is needed for the density tower. (a) True (b) False
32. 32.📘 What does “dense” mean? (a) very colourful (b) very hot (c) very thin (d) heavy for its size
33. 33.⚖️ 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
34. 34.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) a mirror (c) honey (d) a tall clear glass
35. 35.True or false: turmeric powder is needed for the density tower. (a) True (b) False
36. 36.🧺 Do we need a spoon for the density tower? (a) needed (b) not needed
37. 37.🧺 Which of these is needed for the density tower? (a) honey (b) a magnet (c) turmeric powder (d) a balloon
38. 38.🧺 Which of these is not needed for the density tower? (a) cooking oil (b) water with food colour (c) yeast (d) honey
39. 39.🔍 Which is the odd one out? (a) a glass marble (b) a ping-pong ball (c) very salty water (d) a pebble
40. 40.True or false: a battery cell is needed for the density tower. (a) False (b) True

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