What is a volcano?
A mountain through which lava, Rock, hot vapor, and gas erupt form Earth's crust.
Define Chemical Weathering
Chemical reactions break rocks into smaller pieces.
Define Medosphere
Bottommost solid rocky layer reaching down to the core.
What are earthquakes?
Shifting movement in the Lithospher's tectonic plates that releases energy.
How is an Igneous Rock formed?
Formed from magma and lava
What is a composite Volcano
Emits a stiff rapidly solidifying lava which forms high steep-sided cones.
Define Mechanical Weathering
Physically breaks down of rocks into smaller pieces.
Which chemical substances make up the Earth's Atmosphere?
Nitrogen, Oxygen, Argon, Carbon Dioxide, Helium, Krypton, and Xenon
What are plate tectonics?
Theory that giant plate pieces of the Earth's Lithosphere move about on top of the Asthenosphere.
Name the 5 types of natural disasters?
What are the three different types of volcanoes?
Composite volcanoes, Cinder volcanoes, and Sheild volcanoes.
Name the types of climates
Tropical, Dry, Temperate marine, Temperate continental, Highlands, and Polar
Define Asthenosphere
The middle layer of the mantle consisting of soft-flowing rock
What are the three different plate boundaries?
Divergent, convergent, and transform
Define rock
A solid combination of minerals
What is a cinder volcano?
Cone volcanoes regularly throw out ash and build up flatter domes called cinder cones.
Name the order of the water cycle
Evaporation, Transpiration, Condensation, precipitation, and Percolation
Define Lithosphere
The uppermost layer of cool rock just below the crust.
What is the process of plate tectonics?
Mid-ocean ridges, sea floor spreading, Subduction of oceanic plates.
Define minerals
A natural inorganic solid with a crystal like structure and distant chemical Characteristics
What is a shield volcano
Lava does not eject violently but flows over the crater rim forming a broad low profile.
Name the types of clouds
Stratus cloud, Nimbostratus cloud, Cumulus cloud, Cumulonimbus cloud, and Cirrus cloud
Name the layers of the earth in order (Inner to outer)
Inner core, Outer core, Medosphere, Asthenosphere, Lithosphere, Crust, Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere
Who proposed the continental drift theory and what is it?
Alfred Wegener, Earth's continents were once joined together in a single super-continent, which then broke into pieces and moved apart.
What are the 6 characteristics of minerals
Crystal structure, density, color, hardness, luster, and fracture