Wood in Water
Age 9 · Physics
A clear tank holds water and three wood blocks. Two pale blocks float at the top, while one dark block rests on the bottom.
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Age 9: open this week
Browse Age 9In the picture
- A pale wood block floating at the water surface on the left.
- A pale wood block floating at the water surface on the right.
- A dark wood block resting on the tank bottom.
Examples
- A cork floats on bathwater.
- A heavy wooden tool can sink to the bottom of a bucket.
Key takeaways
- Wood can be light or heavy for its size.
- Some woods are heavier than water and sink.
Quiz: Wood in Water (Age 9)
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Which is true about wood from different trees?
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Why does a piece of wood sink in water?
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If a piece of ordinary wood floats in water, what does that tell you about it?
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