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Some rocks are formed when rocky fragments and sediments are deposited together by wind, water or ice. Over time they cement together into new rocks, called sedimentary rocks.
Limestone and sandstone are common sedimentary rocks. You can often find fossils embedded in these rocks—they were deposited together with the sediments!
Do sedimentary rocks float? Let's find out!
This piece of limestone sinks like a...well, like a stone! So our floating rock must have formed in a different way. Try again!
© The Children's Museum of Indianapolis, 2000
