Sixth Grade Mr. Kelvin Valladares

It is a solid matter found in nature.

Alfred Wegener proposed his theory of "continental drift in 1915

It is made from pieces of rocks and minerals.

Fossils can form when an organism is buried in soft mud.

It is a rock that is changed by heat and pressure.

interaction between two different organisms living in close physical association, typically to the advantage of both.

A biome is a large community of vegetation and wildlife adapted to a specific climate.

It is a solid, natural material made up of one or more minerals.

The organic part of soil, is rich in nutrients needed by plants.

National Tree

It is any substance that is made of living things or remains of living things.

Observation, Research, Hypothesis, Question, Conclusions.

It is a solid material whose constituents are arranged in a highly ordered microscopic structure,

It is formed from melted Earth materials called magma and it is expelled to the surface with form of lava.