Current Units

We have begun a new Science unit on Earth Materials!  There are a lot of vocabulary words!  Students have created Memory cards and are using them to study and learn the new words.  See below:

fossil	any evidence of an organism that lived in the past
Igneous rock	fire-made rock formed from melted rock materials
Metamorphic rock	rock whose form has been changed by heat and pressure
Sedimentary rock	rock formed from bits or layers of rocks cemented together
mineral	a solid, naturally occurring substance that is not a plant or an animal
hardness	how well a mineral resists scratching
luster	the way a mineral reflects light
property	any characteristic of matter that you can observe
streak	the color of the powder left when a mineral is rubbed against a hard , rough surface
core	the center of the Earth
Inner core	the very center of the Earth made of iron and nickel
crust	solid rock that makes up Earth’s outermost layers
fault	the place where two plates of the Earth meet is called
magma	hot, molten rock below Earth’s surface
mantle	the layer of rock below the crust
mass	an amount of material
erosion	the carrying away of soil and rock particles by water, wind, or glaciers