Density Tower Experiment Worksheet
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.
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- 1.🧺 Which of these is needed for the density tower? (a) a battery cell (b) turmeric powder (c) a tall clear glass (d) a balloon
- 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 the layers is what we measure. (a) False (b) True
- 3.🛟 Why should we wipe up spilled oil at once? (a) oil turns into honey (b) spilled oil is slippery (c) oil makes it rain (d) oil attracts magnets
- 4.⚖️ 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
- 5.🍯 Which of these is denser than water? (a) a ping-pong ball (b) cooking oil (c) a glass marble (d) an ice cube
- 6.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) a balloon (c) honey (d) cooking oil
- 7.🧺 Do we need yeast for the density tower? (a) needed (b) not needed
- 8.🔮 Predict: you gently drop a small cork into the tower. Where does it stop? (a) in the honey layer (b) under the honey (c) in the water layer (d) on top of the oil
- 9.🍯 Is honey denser or less dense than water? (a) denser than water (b) less dense than water
- 10.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) turmeric powder (b) water with food colour (c) cooking oil (d) a tall clear glass
- 11.🍯 Is very salty water denser or less dense than water? (a) denser than water (b) less dense than water
- 12.🧺 Do we need a mirror for the density tower? (a) not needed (b) needed
- 13.True or false: a glass marble is denser than water. (a) False (b) True
- 14.True or false: a battery cell is not needed for the density tower. (a) True (b) False
- 15.True or false: an ice cube is denser than water. (a) True (b) False
- 16.🧺 Which of these is not needed for the density tower? (a) a balloon (b) a spoon (c) a tall clear glass (d) cooking oil
- 17.🧺 Which of these is needed for the density tower? (a) a magnet (b) a balloon (c) water with food colour (d) turmeric powder
- 18.🍯 Which of these is denser than water? (a) a ping-pong ball (b) honey (c) a cork (d) air
- 19.🔮 Predict: you gently drop a coin into the tower. Where does it end up? (a) at the very bottom (b) in the water layer (c) on top of the oil (d) in the oil layer
- 20.🔍 Which is the odd one out? (a) a coin (b) a pebble (c) a cork (d) honey
- 21.True or false: a balloon is needed for the density tower. (a) False (b) True
- 22.🧺 Which of these is not needed for the density tower? (a) a mirror (b) a tall clear glass (c) a spoon (d) honey
- 23.🧺 Do we need turmeric powder for the density tower? (a) not needed (b) needed
- 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 the one thing we change? (a) the order of the layers (b) how much of each liquid (c) the order of pouring (d) the same three liquids
- 25.🍯 Why does honey sink to the bottom of the glass? (a) it is the stickiest (b) it is the coldest (c) it is yellow (d) it is the densest
- 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 the one thing we change. (a) True (b) False
- 27.⚖️ 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 measure it (c) we change it
- 28.🧺 Do we need a spoon for the density tower? (a) not needed (b) needed
- 29.🧺 Which of these is not needed for the density tower? (a) water with food colour (b) honey (c) cooking oil (d) a magnet
- 30.🧺 Do we need a balloon for the density tower? (a) not needed (b) needed
- 31.🍯 Is a cork denser or less dense than water? (a) less dense than water (b) denser than water
- 32.🧺 Do we need a magnet for the density tower? (a) needed (b) not needed
- 33.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) cooking oil (c) water with food colour (d) a magnet
- 34.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a battery cell (b) a tall clear glass (c) a spoon (d) cooking oil
- 35.🛟 Which rule keeps the density tower experiment safe? (a) taste each layer (b) pour it on the floor (c) do not lick the spoon (d) throw the glass
- 36.True or false: honey is needed for the density tower. (a) False (b) True
- 37.True or false: a glass marble is less dense than water. (a) True (b) False
- 38.⚖️ 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 keep it the same (b) we measure it (c) we change it
- 39.🍯 Is cooking oil denser or less dense than water? (a) less dense than water (b) denser than water
- 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 kept the same. (a) False (b) True
Answer key
- a tall clear glass
- True
- spilled oil is slippery
- we keep it the same
- a glass marble
- a balloon
- not needed
- on top of the oil
- denser than water
- turmeric powder
- denser than water
- not needed
- True
- True
- False
- a balloon
- water with food colour
- honey
- at the very bottom
- a cork
- False
- a mirror
- not needed
- the order of pouring
- it is the densest
- False
- we keep it the same
- needed
- a magnet
- not needed
- less dense than water
- not needed
- a magnet
- a battery cell
- do not lick the spoon
- True
- False
- we measure it
- less dense than water
- False
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