Sedimentary Rocks - Chapter 2.2

Question 1

Limestone formed on the beds of shallow, warm seas from the ___ _ ___ ___, ___ and ___. These piled up over millions of years. The particles are ___ and ___ together. The remains of some of the skeletons are preserved in the rock as fossils. Limestone varies in colors from white to grey. It is ___ and is laid down in ___. Limestone is used in monuments and is a raw material for cement.

Answer 1

skeletons of tiny creatures, fish, shells, compressed, cemented, permeable, strata.

Question 2

I was formed when large amounts of sand were worn away from the surface of the Earth and transported by rivers or winds. I was then deposited on the beds of lakes and seas as well as in deserts. Layers of me built up and these were compressed and cemented to form me. I vary in colour form brown to red. I am sometimes used a building material. What am I?

Answer 2

Sandstone.

Question 3

___ is a sedimentary rock that formed from decayed vegetation.

Answer 3

coal.

Question 4

Limestone/Sandstone is the most common rock in Ireland.

Answer 4

Limestone