Sedimentary Rock Formation

The first step of forming sedimentary rock is: Sediment _______ through water and _________ on the bottom of lakes, oceans, and other watery environments.

• sinks, builds up

• settles, packs

• drops, sediments

• pools, settles

Tags

NGSS.MS-ESS2-1

The sediment at the bottom starts to _______, or press together. As the sediment compacts, all the tiny bits of sand and rock begin to ________, or stick to one another.

• build up, sinks

• compact, cement

• click, break apart

• build, loosen

The sediment ________ and _______ to form a large , flat layer of __________ rock.

• crumbles, trapped, compacts

• sand, thicker, old

• compacts, cements, sedimentary

• very, time, layer

In order for a fossil to get inside the rocky outcrop, the organism has to _______. _________ covers the dead organism, and hardens. This is how a _______ is formed.

• die, Sediment, fossil

• live, Rocks, bird

• sing, Plants, rocks

• be alive, Seeds, outcrop

Tags

NGSS.MS-LS4-1

Plants can form fossils too!! This is a _______.

• dinosaur fossil

• sand fossil

• sediment fossil

• plant fossil

Tags

NGSS.MS-LS4-1