Chapter 8
What is a reservoir?
A place thats holds water
What is the importance of the atmosphere
- Layer of air around the Earth
- Regulates Temperature
- protects life sun's harmful ways.
What is Luster?
The shininess of the mineral
Is Earth flat?
No
What is a plate?
A slab of earth than can move around
What are the four stages of a stream?
Headwaters, Meander, Floodplain, Divides
What is the middle layer of the atmosphere.
Mesosphere
What is the scale that hardest measured on.
Mohs Hardness Scale
What is a hemisphere?
Half of a sphere
What is an earthquake?
A sudden shaking of the ground
What zone is it when sunlight is there, organism that photosynthesize leave there
Photic Zone
What is the main gas in the atmosphere.
Nitrogen
What is magma?
melted rock inside the earth
What is geocentric?
everything revolved around Earth.
What does it mean if a volcano is dormant?
It is not currently erupting
What are tides?
Tides are the daily rise and fall of the sea level at any given place.
What is the ozone layer?
protects life from ultraviolet waves
How do Igneous rocks form?
Forms from magma/lava
How often does Earth rotate?
every 24hours
What measures seismic waves.
A seisogram
What are neap tides? and spring tides?
Spring tides- extreme tides
Neap tides- slowest tides.
What layer of the atmosphere do we live in?
Troposphere
How do sedimentary rocks form?
Sediments are squeezed together by the weight of over laying sediments
What the axis tilt?
23.5
What is an active volcano?
A volcano that is erupting or about to erupt