Generally, sedimentary rock is fairly soft and may break apart or crumble easily. You can often see sand, pebbles, or stones in the rock, and it is usually the only type that contains fossils. Examples of this rock type include conglomerate and limestone.

22/03/2020 · Why are some sedimentary rocks hard and others soft? Many of the sedimentary rocks that have small grains such as sand, tend to be quite soft and can be easy to break. The hard sediment is often made through large grained sediment and is difficult to break apart due to size. Sedimentary rock is made through the process of sediment cementing together to form …

22/10/2019 · Sedimentary Rocks. Encyclopedic Entry. Vocabulary. Sedimentary rocks are formed on or near the Earth’s surface, in contrast to metamorphic and igneous rocks, which are formed deep within the Earth. The most important geological processes that lead to the creation of sedimentary rocks are erosion, weathering, dissolution, precipitation, and ...