Plate Boundaries
Tectonic plates move away from each other at what type of plate boundary?
Divergent Boundary
What is the outer layer of the Earth made of?
Hard, solid rock.
The plates moving 2 cm/year is an example of what?
Rate
What 3 things were first used as evidence for the idea of plate movement?
Fossils, rocks/mountains, continents "fit" together.
What is the smallest unit of matter?
Atom
Convergent boundary
What is the mantle material made of?
Soft, solid rock. (magma)
Do plates move gradually or suddenly?
Gradually.
Order the layers of the Earth from inside moving outwards. (3)
Core, mantle, crust
Name the three particles of an atom.
Proton, Neutron, Electron.
What two types of boundaries have both earthquakes AND volcanic activity?
Convergent & Divergent
What causes the plates to move?
Convection currents in the mantle.
a diagram that shows what the inside of something looks like
Cross section
What type of plate boundary is between the South American Plate and the African plate?
Divergent
What are the PRODUCTS of photosynthesis?
Oxygen and glucose.
What landform forms when two plates move toward each other, one getting subducted into the mantle?
Trench
What LANDFORM is created at a divergent plate boundary?
Mid - ocean ridge
Evidence of life from the past, such as bones, footprints, or leaf prints are called?
Fossils
Who was the first person to suggest the idea of plate motion?
Alfred Wegener
Commensalism
At this type of plate boundary, there is no volcanic activity, just earthquakes.
Transform boundary
What are the large chunks of Earth's outer layer called?
Tectonic plates
Something we observe to be similar over and over again
Pattern
What is the name of a place in the middle of a plate where there is volcanic activity?
A hotspot
Where does cellular respiration take place within a cell?
Mitochondria