Volcano Vocab.
Magma that has hardened underground
Pluton
Magma Chamber
"Puzzle Pieces" of earth's crust that are constantly moving.
Describe ice wedging
When water gets into the crack of a rock, freezes, expands, and makes the crack bigger and bigger.
The study of Earth and the universe surrounding it.
Earth Science
Volcano that has erupted recently
Active Volcano
Smaller vent that may occur on the side of a volcano
Secondary Vent or Side Vent
What causes earthquakes?
Tectonic plates move against each other, usually at faults.
What is the difference between silicates and non-silicates?
Silicates contain silicon.
places on earth's surface directly above a column of rising magma
Hot Spots
Volcanoes that have not erupted for a long time, but may erupt again in the future
Magma when it is above the surface of earth's crust
Lava
Name 3 reasons that volcanoes are a necessary part of God's creation.
Earth's venting system
ash fertilizes the soil
lava creates new land formations
The way a mineral's surface reflects light.
Luster
Blobs of magma or large rocks shot into the air by a volcano
Volcanic Bombs
Solid volcanic materials like ash or rock
pyroclastics
The pointy mountain that makes-up the volcano
Cone
What are the 4 layers of Earth from top (surface) to the innermost layer?
crust
mantle
outer core
inner core
Name the three types of rocks
igneous, metamorphic, sedimentary
A place where one tectonic plate pushes UNDER another tectonic plate
Subduction Zones
tiltmeter
Lava with a smooth, billowy surface
pahoehoe
Deep cracks that form between two tectonic plates as they separate.
Name the 5 things that must be present for a substance to be classified as a mineral.
solid
inorganic
naturally occurring
crystalline structure
chemical composition
Name the four main steps in the SCIENTIFIC METHOD.
1. Ask a question
2. form a hypothesis
3. conduct an experiment
4. form conclusions