Igneous Rocks & the Earth
This can cool and harden and form igneous rock.
What is magma or lava?
These are little pieces of rocks, pebbles, mineral grains, and shell fragments that eventually form rocks.
What are sediments?
The way light reflects off of a mineral.
What is luster?
Name the three types of rock groups.
What is Sedimentary, Igneous and Metamorphic?
Name two ways people use rocks.
What is buildings, walls, roads, jewelry, decoration, countertops?
The earth has this many layers.
What is 4?
These are two ways that sediments are formed.
What is weathering and erosion?
The scale that is used to measure the hardness of minerals
What is Moh's Hardness Scale
The hardest mineral.
What is a diamond?
What happens if an igneous rock weathers? What rock does it turn into?
What is sedimentary rock?
Igneous rocks are found in this layer of the earth.
What are the crust and the mantle?
These 2 things cause metamorphic rocks to form.
What are heat and pressure?
You can see this property just by looking at a mineral. Many minerals can be several of these.
What is color?
This is the layer of the earth where people live.
What is the crust?
A hard substance composed of one or more minerals.
What is a rock?
This is the most inner layer of the Earth.
What is the inner core?
Sedimentary rock can contain these things that are the remains of old animals or organic materials.
What are fossils?
This is a natural solid that is not made by living things and has its own special ingredients and shape.
What is a mineral?