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 not needed for the density tower? (a) honey (b) water with food colour (c) a battery cell (d) a spoon
- 2.🍯 Which of these is less dense than water? (a) honey (b) a pebble (c) a coin (d) air
- 3.🧺 Which of these is not needed for the density tower? (a) a spoon (b) honey (c) yeast (d) cooking oil
- 4.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a spoon (b) honey (c) a tall clear glass (d) a mirror
- 5.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a magnet (b) cooking oil (c) a spoon (d) water with food colour
- 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 glass is the one thing we change. (a) True (b) False
- 7.True or false: air is denser than water. (a) False (b) True
- 8.🔍 Which is the odd one out? (a) a coin (b) very salty water (c) a cork (d) a glass marble
- 9.True or false: a cork is denser than water. (a) True (b) False
- 10.True or false: an ice cube is less dense than water. (a) False (b) True
- 11.⚖️ 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) True (b) False
- 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 order of pouring”? (a) we measure it (b) we change it (c) we keep it the same
- 13.⚖️ 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) True (b) False
- 14.🔍 Which is the odd one out? (a) an ice cube (b) a coin (c) air (d) a cork
- 15.⚖️ 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) the same glass (c) the order of the layers
- 16.🧺 Do we need a battery cell for the density tower? (a) needed (b) not needed
- 17.🍯 Is honey denser or less dense than water? (a) less dense than water (b) denser than water
- 18.🍯 Is a coin denser or less dense than water? (a) less dense than water (b) denser than water
- 19.🧺 Three of these are needed for the density tower. Which one is NOT needed? (a) a battery cell (b) a tall clear glass (c) honey (d) cooking oil
- 20.⚖️ 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
- 21.True or false: turmeric powder is not needed for the density tower. (a) True (b) False
- 22.🔍 What do you see after pouring honey, water and oil into one glass? (a) bubbles of gas (b) the glass gets hot (c) one mixed colour (d) three separate layers
- 23.🍯 Which of these is less dense than water? (a) a coin (b) honey (c) very salty water (d) cooking oil
- 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) the order of the layers (c) how much of each liquid
- 25.🔍 Which is the odd one out? (a) a ping-pong ball (b) a coin (c) honey (d) a glass marble
- 26.🧺 Do we need a tall clear glass for the density tower? (a) not needed (b) needed
- 27.True or false: honey is not needed for the density tower. (a) True (b) False
- 28.🍯 Which of these is denser than water? (a) air (b) cooking oil (c) a ping-pong ball (d) a glass marble
- 29.True or false: a magnet is needed for the density tower. (a) False (b) True
- 30.⚖️ 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
- 31.🛟 Which rule keeps the density tower experiment safe? (a) throw the glass (b) taste each layer (c) do not lick the spoon (d) pour it on the floor
- 32.🍯 Is cooking oil denser or less dense than water? (a) less dense than water (b) denser than water
- 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 change it (b) we measure it (c) we keep it the same
- 34.True or false: cooking oil is not needed for the density tower. (a) True (b) False
- 35.⚖️ 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 same glass (b) how much of each liquid (c) the same three liquids (d) the order of the layers
- 36.True or false: a battery cell is needed for the density tower. (a) True (b) False
- 37.True or false: turmeric powder is needed for the density tower. (a) True (b) False
- 38.True or false: a mirror is needed for the density tower. (a) False (b) True
- 39.🛟 Why should we wipe up spilled oil at once? (a) oil makes it rain (b) spilled oil is slippery (c) oil attracts magnets (d) oil turns into honey
- 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 pouring is the one thing we change. (a) True (b) False
Answer key
- a battery cell
- air
- yeast
- a mirror
- a magnet
- False
- False
- a cork
- False
- True
- False
- we change it
- False
- a coin
- the same glass
- not needed
- denser than water
- denser than water
- a battery cell
- False
- True
- three separate layers
- cooking oil
- how much of each liquid
- a ping-pong ball
- needed
- False
- a glass marble
- False
- True
- do not lick the spoon
- less dense than water
- we keep it the same
- False
- the order of the layers
- False
- False
- False
- spilled oil is slippery
- True
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