| R | ||
| #1 | What are tiny bits of minerals called? |
Sediment |
| #2 | Why are sedimentary rocks the easiest to break apart? |
They are made up of bits of rock that have been pressed together, not welded. |
| #3 | What element is the sedimentary rock, Coal, made of? |
Carbon |
| #4 | What can geologists learn find from sedimentary rocks? |
Geologists can work out what our past environments were like. |
| #5 | What happens when sediment settles (drops)? |
The sedimetn settles, or deposits, in one place and piles up. |
| O | ||
| #1 | Whycan Sediment be moved? |
Because sediment is so small, water and wind can easily move it and depost it in different locations |
| #2 | What can be found in sedimentary rocks? |
Fossils |
| #3 | What are sedimentary rocks best recognized by? |
Sedimentary rocks are best recognized by their layers. |
| #4 | What is one sedimentary rock that has great economic significance? Why/ what is it used for? |
Coal; used for generating elecricity |
| #5 | What helps cement sediment together? |
Minerals that get mixed into the sediment help cement the sediment together. |
| C | ||
| #1 | How does sediment build up? |
Sediments can build up, layer by layer |
| #2 | How are fossils made? |
Over time, layers of sediment buried plants and animals, forming sedimentaryrock. The plants and animals, or imprints of them, sometimes hardened and remained in the rock. |
| #3 | What is another name for layers? |
Strata |
| #4 | What makes sediment? |
Pieces of rock, sand, and dirt |
| #5 | What are two good examples of sedimentary rock that is used for building? |
Limestone and sandstone |
| K | ||
| #1 | What helps create a sedimentary rock? |
Weight and pressure |
| #2 | Where can you find fossils? |
Look for fossils whereancient oceans, lakes, or rivers used to be. |
| #3 | Where are sedimentary rocks found? |
These rocks are formed in a wide variety of environments on Earth's surface. |
| #4 | What two forces help create sediment? |
Sediment is created through weathering and erosion. |
| #5 | Where are most sedimentary rocks formed? |
Most sedimentary rocks are formed in a seabed. |
| S | ||
| #1 | What helps create a sedimentary rock? |
Weight and pressure |
| #2 | What can a fossil help you learn? |
A fossil can help you learn about what once lived in an area. |
| #3 | What are sedimentary rocks often referred to as? |
Secondary rocks |
| #4 | What natural forces can weather rock? |
Wind, water, and ice all weather rocks |
| #5 | Name two out of four well-known sedimentary rocks |
sandstone, limestone,mudstone, shale |
| Final Question | |
What is a sedimentary rock made up mostly of shell fragments called? |
Coquina |