Students will be taking a test over Unit 3 Ecosystems on Thursday.  They should review their study guide plus vocabulary.  The kids seem to be very knowlegable, so I expect great scores!

On September 19th, we will begin a new unit Earth: Soil/Rocks.  Please study vocabulary nightly with your child.  

Science Earth: Soil/Rocks Vocabulary Words:
1. soil- earth material made up of weathered rock, humus, water, and air
2. rock- earth material made up of one or more minerals
3. igneous-type of rock formed from magma or lava that cools and hardens
4. sedimentary- type of rock formed  when layers of sediment compact and cement
5. metamorphic- type of rock formed from heat and pressure
6. rock cycle- when one rocks turns into another rock
7. fossil- preserved clue to the past
8. crust- outer earth layer that we walk on
9. mantle- middle, thickest earth layer
10. core-center layer of earth