Compostition of Earths Crust
Surface Processes on Earth
The Atmosphere and Oceans
The Dynamic Earth
Beyond Earth
100
All matter---everything form earth and beyond is made up of these substances.
What are elements?
100
The process by which rocks on or near Earth's surface break down and change.
What is weathering
100
About 99% of the atmosphere is composed of.
What is Nitrogen and Oxygen?
100
Alfred Wegener proposed that Earth's continents had once been joined and a single landmass with this theory.
What is continental drift?
100
Two types of telescopes are used to focus visible light.
What refracting and reflecting?
200
The element represented by the symbol Au.
What is gold?
200
The process by which rocks and minerals break down into smaller pieces.
What is mechanical weathering?
200
Ozone is important because it...
What is absorbs ultraviolet (UV) radiation from the Sun?
200
There are many pieces of evidence to support continental drift, one importand piece of evidence was found in antarctica.
What is coal from dead and decaying plants?
200
Visible light, infrared, ultraviolet, radio waves, microvaves, X-rays, and gamma rays.
What are ultraviolet radiation?
300
The number of protons in an atom's nucleus.
What is its atomic number?
300
The process by which outer rock layers are stripped away.
What is exfoliation?
300
The layer of the atmosphere in which weather takes place, most of the mass of the atmosphere is located here.
What is the Troposphere?
300
Alfred Wegeners hypothesis of continental drift was origionally rejected.
What is because he could not satisfactorily explain how the continents moved?
300
Electromagnetic radiation is classified by this.
What is its wavelenth?
400
The outermost electrons.
What are valence electrons?
400
The repeated thawing and freezing of water in the cracks of rocks
What is frost wedging?
400
The transfer of energy throught space by visible light, ultraviolet radiation, and other forms of electromagnetic waves.
What is radiation
400
Wegener called the supercontinent prior to drifting....
What is Pangea?
400
A multi-country space station.
What is the International Space Station?
500
The two most abundent elements in the universe.
What are Hydrogen and Helium?
500
The chemical reaction of oxygen with other substances.
What is oxidation?
500
The transfer of energy that occurs when molecules collide and the transfer of energy by the flow of a heated substance. (2 answers)
What are conduction and convection?
500
Found in Africa to help support Wegeners hypothesis of continental drift.
What are glacial deposits?
500
The process of linking separate telescopes together so that they act as one telescope.
What is Interferometry?
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