What are Gems ?
A gem is a mineral that is rare and can be polished and cut.
What are the three main branches of science ?
Life Science, Physical Science ,and Earth Science
What is the athenosphere ?
A plastic layer below the lithosphere
What are tectonic playes made of ?
Rigid lithosphere
What are fissures ?
Fissures are large cracks in the Earth's crust.
What are the three main layers the Earth is made of ?
Core, Mantle, Crust
What is subduction ?
When two plates are moved toward each other
What is a lithosphere ?
The crust and part of the upper mantle
How do intrusive igneous rocks form ?
Intrusive igneous rocks are formed when magma cools.
How many plates is the Earths crust divided into ?
The Earths crust is divided into 12 major plates
Wht are convergent boundaries ?
Boundaries between two plates that are colliding
What are divergent boundaries ?
Divergent boundaries are boundaries between two plates that are moving apart or rifting
What is a composite volcano ?
A composite volcano is a volcano built up of alternating layers.
What is a Shield Volcanos ?
A shield volcano is composed of quiet flows.
what is a cinder cone ?
A cinder cone is mostly made of cinders .
What are the types of volcanos ?
The types of volcanos are cinder cone ,sheild , and composite volcanos .
What is a volcano ?
A volcano is a mountain built from magma.
what is a seismograph ?
a seismograph is a pen attached to the weight that records any movement.
what is a rock cycle ?
A rock cycle is a model that scientist have created to identify different kinds of rocks.
What is the journey of a rock?
A blob of lava that oozes to the surface and cools .
What is a Ricter Scale?
A richter scale is used by scientists to quantify the amount of energy released by an earthquake.
what is magnitude ?
Magnitude is the capacity of the stamina let off by an earthquake.
What is a tsunami ?
A tsunami is an earthquake that occurs on the ocean floor .