Hon int Science (Pangea, Lat and Long, Earths layers)

Latitude

imaginary horizontal lines, parallel to the equator, 69 miles apart from each other. 0-90 degrees.

Longitude

Imaginary vertical lines, parallel to the Prime Meridian, 180 west->180 east.

Latitude (order)

Goes first, __N or __S

Longitude (order)

Goes last, __E or __W

Crust

Earth's outermost layer. Rocky.

Mantle

The second layer of earth with hot, solid material.

Outer core

The central part of the earth below the mantle, molten metal.

Inner Core

A dense sphere of solid iron and nickel at the center of Earth

Direct evidence

Taken from core samples that gives us clues on Earths interior.

Indirect evidence.

Taken from seismic waves caused by earthquakes. Studied using seismographs.

Pangea

Supercontinent 200 million years ago broke into smaller continents and drifted apart

Evidence of Pangea (Puzzle)

Coastlines of South America and Africa like puzzle

Evidence of Pangea (Fossils)

Fossils(animal and plant) match across continents

Evidence of Pangea (Rocks)

Rock types and structures across continents similar

Evidence of Pangea (Climate)

Ancient climate same in different continents