Grab Bag
The contamination of earth's land, water or air.
What is pollution?
The crust is made up of these. (the answer is not sediment or rock)
What are tectonic plates?
This is one example of a natural disaster caused by the Earth's crust.
What is a tsunami, earthquake, volcano?
The removal of forests to use the land for other reasons.
What is deforestation?
This person created the first idea of Pangea called continental drift.
Who is Alfred Wegener?
When molten material cools and hardens beneath the earth's surface, this type of rock forms.
What is igneous (or intrusive igneous) rock?
A form of oxygen that has three oxygen atoms in each molecule instead of the usual two; toxic to organisms where it forms near Earth's surface.
What is ozone?
This is energy that is generated deep within Earth's core.
What is geothermal energy?
This causes Earth's plates to move.
What are convection currents?
The type of weathering in which rock is physically broken into smaller pieces.
What is physical (or mechanical) weathering?
This is the name of a region around the Pacific Ocean where earthquakes and Volcanoes are very common.
What is the Ring of Fire?
Which is less dense- something floating on top of the water or something that sinks in water?
Floating
This is what magma is called after it erupts.
What is lava?
Volcanoes happen when two plates BLANK.
What comes together, subduct?
Water, oxygen, carbon dioxide, living organisms and acid rain all cause this type of weathering?
What is chemical weathering?
Name the 3 major Global Wind Belts.
What are the Trade Winds, the prevailing westerlies and the polar easterlies?
Convection Currents happen in this layer of the Earth.
This is where two plates are separating.
What is Atlantic ocean or Pacific Ocean? Divergent plate boundary
When molten material erupts through the center of a mid-ocean ridge and later hardens to form rock of the ocean floor.
What is sea-floor spreading?